Fix pnpm type issue after tanstack PR by VaguelySerious · Pull Request #1907 · vercel/workflow

VaguelySerious · 2026-05-04T03:42:07Z

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Signed-off-by: Peter Wielander <mittgfu@gmail.com>

changeset-bot · 2026-05-04T03:42:13Z

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vercel · 2026-05-04T03:42:14Z

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Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 4, 2026 3:45am
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example-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
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workbench-nuxt-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
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github-actions · 2026-05-04T03:42:16Z

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.043s (-2.0%)	1.005s (~)	0.962s	10	1.00x
💻 Local	Nitro	0.044s (+2.1%)	1.006s (~)	0.962s	10	1.01x
🐘 Postgres	Express	0.058s (+0.7%)	1.011s (~)	0.952s	10	1.35x
🐘 Postgres	Nitro	0.059s (-37.5% 🟢)	1.011s (-3.1%)	0.951s	10	1.37x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.238s (+1.0%)	5.938s (+178.0% 🔺)	5.700s	10	1.00x
▲ Vercel	Nitro	0.251s (-38.8% 🟢)	4.275s (+70.3% 🔺)	4.024s	10	1.05x

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.127s (~)	2.006s (~)	0.879s	10	1.00x
💻 Local	Nitro	1.128s (~)	2.006s (~)	0.878s	10	1.00x
🐘 Postgres	Express	1.138s (-0.7%)	2.010s (~)	0.872s	10	1.01x
🐘 Postgres	Nitro	1.149s (+0.8%)	2.012s (~)	0.863s	10	1.02x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.949s (+3.9%)	8.666s (+127.6% 🔺)	6.717s	10	1.00x
▲ Vercel	Nitro	2.838s (-27.1% 🟢)	6.996s (+18.4% 🔺)	4.158s	10	1.46x

🔍 Observability: Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	10.888s (-0.7%)	11.018s (~)	0.131s	3	1.00x
🐘 Postgres	Nitro	10.929s (+0.5%)	11.024s (~)	0.094s	3	1.00x
💻 Local	Nitro	10.934s (~)	11.022s (~)	0.088s	3	1.00x
💻 Local	Express	10.955s (~)	11.024s (~)	0.069s	3	1.01x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	20.805s (+22.5% 🔺)	22.605s (+12.9% 🔺)	1.800s	2	1.00x
▲ Vercel	Nitro	22.108s (-6.8% 🟢)	42.555s (+69.4% 🔺)	20.447s	1	1.06x

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.570s (~)	15.022s (~)	0.452s	4	1.00x
🐘 Postgres	Nitro	14.658s (~)	15.021s (~)	0.363s	4	1.01x
💻 Local	Nitro	15.011s (~)	15.530s (-3.1%)	0.519s	4	1.03x
💻 Local	Express	15.025s (~)	15.280s (+1.7%)	0.256s	4	1.03x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	31.087s (-38.2% 🟢)	38.884s (-26.0% 🟢)	7.798s	2	1.00x
▲ Vercel	Nitro	33.493s (-48.0% 🟢)	42.737s (-35.9% 🟢)	9.244s	2	1.08x

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.044s (~)	14.590s (~)	0.546s	7	1.00x
🐘 Postgres	Nitro	14.270s (+2.2%)	15.024s (+5.0%)	0.755s	6	1.02x
💻 Local	Nitro	16.756s (~)	17.031s (~)	0.274s	6	1.19x
💻 Local	Express	16.975s (+2.2%)	17.364s (+2.0%)	0.389s	6	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	55.634s (-86.8% 🟢)	67.104s (-84.2% 🟢)	11.470s	2	1.00x
▲ Vercel	Express	63.380s (-47.7% 🟢)	64.978s (-47.5% 🟢)	1.598s	2	1.14x

🔍 Observability: Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.260s (~)	2.010s (~)	0.750s	15	1.00x
🐘 Postgres	Nitro	1.272s (~)	2.009s (~)	0.737s	15	1.01x
💻 Local	Express	1.509s (+1.3%)	2.005s (~)	0.496s	15	1.20x
💻 Local	Nitro	1.528s (-6.4% 🟢)	2.005s (-3.3%)	0.477s	15	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.437s (-14.8% 🟢)	6.644s (+43.7% 🔺)	4.207s	5	1.00x
▲ Vercel	Nitro	2.727s (-3.2%)	15.026s (+247.6% 🔺)	12.299s	3	1.12x

🔍 Observability: Express | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.326s (-1.5%)	3.009s (~)	0.683s	10	1.00x
🐘 Postgres	Nitro	2.353s (~)	3.010s (~)	0.657s	10	1.01x
💻 Local	Nitro	2.951s (-6.1% 🟢)	3.454s (-11.1% 🟢)	0.503s	9	1.27x
💻 Local	Express	2.969s (+0.5%)	3.308s (-4.2%)	0.339s	10	1.28x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.270s (-37.3% 🟢)	7.526s (+47.3% 🔺)	5.256s	4	1.00x
▲ Vercel	Nitro	2.473s (-39.0% 🟢)	6.597s (+11.4% 🔺)	4.124s	6	1.09x

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.452s (-1.0%)	4.010s (~)	0.558s	8	1.00x
🐘 Postgres	Nitro	3.464s (~)	4.010s (~)	0.546s	8	1.00x
💻 Local	Nitro	8.252s (-1.2%)	9.025s (~)	0.773s	4	2.39x
💻 Local	Express	8.332s (~)	9.024s (~)	0.691s	4	2.41x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.855s (-32.7% 🟢)	7.771s (+26.8% 🔺)	4.917s	4	1.00x
▲ Vercel	Nitro	3.648s (+3.5%)	7.809s (+41.1% 🔺)	4.161s	5	1.28x

🔍 Observability: Express | Nitro

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.252s (~)	2.008s (~)	0.755s	15	1.00x
🐘 Postgres	Nitro	1.253s (~)	2.008s (~)	0.755s	15	1.00x
💻 Local	Express	1.525s (-19.5% 🟢)	2.006s (-15.1% 🟢)	0.481s	15	1.22x
💻 Local	Nitro	1.528s (-18.1% 🟢)	2.007s (-14.2% 🟢)	0.479s	15	1.22x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.240s (-8.9% 🟢)	10.000s (+139.9% 🔺)	7.760s	4	1.00x
▲ Vercel	Express	2.256s (-12.6% 🟢)	15.382s (+253.6% 🔺)	13.126s	2	1.01x

🔍 Observability: Nitro | Express

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.333s (~)	3.010s (~)	0.677s	10	1.00x
🐘 Postgres	Nitro	2.339s (~)	3.009s (~)	0.670s	10	1.00x
💻 Local	Express	3.025s (-3.4%)	3.759s (~)	0.734s	8	1.30x
💻 Local	Nitro	3.118s (+1.7%)	4.011s (+3.2%)	0.894s	8	1.34x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.485s (-23.2% 🟢)	6.504s (+28.1% 🔺)	4.020s	5	1.00x
▲ Vercel	Express	2.540s (-20.4% 🟢)	10.130s (+111.4% 🔺)	7.590s	3	1.02x

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.455s (-1.3%)	4.011s (~)	0.556s	8	1.00x
🐘 Postgres	Nitro	3.495s (~)	4.010s (~)	0.516s	8	1.01x
💻 Local	Nitro	9.101s (~)	9.776s (-2.5%)	0.675s	4	2.63x
💻 Local	Express	9.133s (+3.8%)	9.526s (+2.7%)	0.393s	4	2.64x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.648s (-58.7% 🟢)	7.925s (-3.1%)	5.276s	5	1.00x
▲ Vercel	Nitro	2.771s (-45.6% 🟢)	8.038s (+17.9% 🔺)	5.268s	4	1.05x

🔍 Observability: Express | Nitro

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.806s (-4.0%)	1.006s (-1.7%)	0.200s	60	1.00x
🐘 Postgres	Nitro	0.861s (+5.0%)	1.023s (+1.7%)	0.162s	59	1.07x
💻 Local	Express	1.011s (+2.7%)	1.493s (+38.8% 🔺)	0.482s	41	1.25x
💻 Local	Nitro	1.013s (+3.3%)	1.506s (+37.7% 🔺)	0.493s	40	1.26x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	9.749s (-55.8% 🟢)	12.732s (-47.0% 🟢)	2.983s	5	1.00x
▲ Vercel	Express	11.495s (-39.5% 🟢)	20.624s (-3.3%)	9.128s	3	1.18x

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.924s (-2.7%)	2.099s (-7.1% 🟢)	0.175s	44	1.00x
🐘 Postgres	Nitro	2.045s (+6.1% 🔺)	2.714s (+29.2% 🔺)	0.669s	34	1.06x
💻 Local	Express	3.055s (+1.3%)	3.843s (+7.2% 🔺)	0.789s	24	1.59x
💻 Local	Nitro	3.087s (+1.7%)	3.967s (+5.5% 🔺)	0.880s	23	1.60x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	28.325s (-28.3% 🟢)	30.268s (-26.7% 🟢)	1.943s	4	1.00x
▲ Vercel	Express	28.923s (-16.2% 🟢)	32.811s (-10.9% 🟢)	3.888s	3	1.02x

🔍 Observability: Nitro | Express

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.888s (-2.6%)	4.075s (-6.7% 🟢)	0.188s	30	1.00x
🐘 Postgres	Nitro	4.150s (+1.1%)	4.971s (+8.0% 🔺)	0.821s	25	1.07x
💻 Local	Express	9.271s (+0.7%)	10.018s (~)	0.747s	12	2.38x
💻 Local	Nitro	9.535s (+2.6%)	10.019s (~)	0.484s	12	2.45x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	71.457s (-26.3% 🟢)	73.457s (-25.4% 🟢)	2.000s	2	1.00x
▲ Vercel	Express	75.091s (-42.3% 🟢)	77.249s (-41.6% 🟢)	2.158s	2	1.05x

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.278s (-1.6%)	1.007s (~)	0.729s	60	1.00x
🐘 Postgres	Nitro	0.290s (+2.4%)	1.007s (~)	0.717s	60	1.04x
💻 Local	Nitro	0.623s (+3.1%)	1.022s (~)	0.398s	59	2.24x
💻 Local	Express	0.667s (+19.1% 🔺)	1.096s (+9.1% 🔺)	0.428s	55	2.40x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.341s (-31.4% 🟢)	3.019s (-17.0% 🟢)	1.678s	20	1.00x
▲ Vercel	Nitro	1.576s (-5.1% 🟢)	3.217s (-4.0%)	1.641s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.493s (-3.2%)	1.006s (~)	0.513s	90	1.00x
🐘 Postgres	Nitro	0.515s (+3.7%)	1.007s (~)	0.492s	90	1.04x
💻 Local	Express	2.552s (+1.6%)	3.009s (~)	0.457s	30	5.17x
💻 Local	Nitro	2.675s (+5.4% 🔺)	3.010s (~)	0.335s	30	5.42x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.680s (-12.0% 🟢)	4.455s (-7.3% 🟢)	1.775s	21	1.00x
▲ Vercel	Nitro	3.150s (-2.4%)	4.792s (-0.6%)	1.643s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.773s (-5.5% 🟢)	1.007s (-1.0%)	0.234s	120	1.00x
🐘 Postgres	Nitro	0.830s (+5.0%)	1.010s (~)	0.180s	119	1.07x
💻 Local	Express	11.192s (~)	11.754s (-1.6%)	0.561s	11	14.47x
💻 Local	Nitro	11.482s (+2.6%)	12.027s (+3.1%)	0.545s	10	14.85x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.700s (-13.2% 🟢)	8.420s (-10.4% 🟢)	1.719s	15	1.00x
▲ Vercel	Express	7.695s (+3.7%)	9.527s (+3.1%)	1.833s	14	1.15x

🔍 Observability: Nitro | Express

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.199s (-3.2%)	0.999s (~)	0.001s (-43.8% 🟢)	1.010s (~)	0.811s	10	1.00x
💻 Local	Nitro	0.204s (-4.5%)	1.004s (~)	0.012s (-4.8%)	1.018s (~)	0.814s	10	1.03x
💻 Local	Express	0.220s (+10.7% 🔺)	1.004s (~)	0.012s (~)	1.018s (~)	0.798s	10	1.11x
🐘 Postgres	Nitro	0.224s (+9.2% 🔺)	0.995s (~)	0.001s (-6.7% 🟢)	1.011s (~)	0.787s	10	1.13x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.806s (-27.9% 🟢)	10.621s (+159.7% 🔺)	1.045s (+8.8% 🔺)	12.584s (+125.1% 🔺)	10.777s	10	1.00x
▲ Vercel	Nitro	1.977s (-48.4% 🟢)	6.256s (+18.6% 🔺)	1.089s (+46.8% 🔺)	11.673s (+80.1% 🔺)	9.697s	10	1.09x

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.606s (-3.8%)	1.006s (~)	0.004s (+1.3%)	1.023s (~)	0.417s	59	1.00x
🐘 Postgres	Nitro	0.636s (+2.0%)	1.007s (~)	0.004s (-5.7% 🟢)	1.021s (~)	0.385s	59	1.05x
💻 Local	Express	0.851s (+12.4% 🔺)	1.012s (-1.6%)	0.010s (+5.6% 🔺)	1.117s (+7.4% 🔺)	0.266s	54	1.40x
💻 Local	Nitro	0.965s (+15.0% 🔺)	1.012s (~)	0.010s (+8.0% 🔺)	1.229s (+10.2% 🔺)	0.265s	49	1.59x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	4.113s (-36.8% 🟢)	5.737s (-28.4% 🟢)	0.202s (-50.7% 🟢)	6.355s (-28.1% 🟢)	2.242s	10	1.00x
▲ Vercel	Nitro	4.139s (-85.9% 🟢)	5.691s (-81.5% 🟢)	0.373s (+232.9% 🔺)	6.508s (-79.5% 🟢)	2.369s	10	1.01x

🔍 Observability: Express | Nitro

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.921s (-4.2%)	1.104s (-13.6% 🟢)	0.000s (-16.4% 🟢)	1.117s (-14.5% 🟢)	0.196s	55	1.00x
🐘 Postgres	Nitro	0.961s (-0.8%)	1.266s (+1.5%)	0.000s (+200.0% 🔺)	1.279s (+1.7%)	0.318s	48	1.04x
💻 Local	Nitro	1.212s (-0.9%)	2.019s (~)	0.000s (-33.3% 🟢)	2.021s (~)	0.809s	30	1.32x
💻 Local	Express	1.220s (~)	2.021s (~)	0.001s (+60.0% 🔺)	2.023s (~)	0.804s	30	1.32x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.894s (-22.6% 🟢)	4.461s (-12.6% 🟢)	0.000s (-100.0% 🟢)	4.890s (-11.6% 🟢)	1.996s	13	1.00x
▲ Vercel	Nitro	3.033s (-0.6%)	4.632s (+5.5% 🔺)	0.000s (-100.0% 🟢)	5.075s (+5.5% 🔺)	2.042s	12	1.05x

🔍 Observability: Express | Nitro

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.718s (-3.1%)	2.143s (-1.6%)	0.000s (+Infinity% 🔺)	2.153s (-2.1%)	0.435s	28	1.00x
🐘 Postgres	Nitro	1.731s (-3.4%)	2.070s (-3.3%)	0.000s (-3.4%)	2.078s (-4.4%)	0.347s	29	1.01x
💻 Local	Nitro	2.895s (-14.5% 🟢)	3.190s (-20.9% 🟢)	0.001s (+18.4% 🔺)	3.192s (-20.9% 🟢)	0.297s	19	1.69x
💻 Local	Express	2.949s (-14.9% 🟢)	3.243s (-19.6% 🟢)	0.001s (+18.4% 🔺)	3.246s (-19.6% 🟢)	0.297s	19	1.72x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.931s (-14.3% 🟢)	5.232s (-13.1% 🟢)	0.000s (NaN%)	5.658s (-12.4% 🟢)	1.727s	11	1.00x
▲ Vercel	Nitro	4.090s (~)	5.563s (+3.5%)	0.000s (-100.0% 🟢)	5.990s (+3.4%)	1.900s	11	1.04x

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Express	11/21
🐘 Postgres	Express	21/21
▲ Vercel	Express	14/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Nitro	🐘 Postgres	17/21

Column Definitions

Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
Wall Time: Total testbench time (trigger workflow + poll for result)
Overhead: Testbench overhead (Wall Time - Workflow Time)
Samples: Number of benchmark iterations run
vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

💻 Local: In-memory filesystem world (local development)
🐘 Postgres: PostgreSQL database world (local development)
▲ Vercel: Vercel production/preview deployment
🌐 Turso: Community world (local development)
🌐 MongoDB: Community world (local development)
🌐 Redis: Community world (local development)
🌐 Jazz: Community world (local development)

📋 View full workflow run

github-actions · 2026-05-04T03:42:18Z

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Skipped	Total
✅ ▲ Vercel Production	1011	67	1078
✅ 💻 Local Development	1090	86	1176
✅ 📦 Local Production	1090	86	1176
✅ 🐘 Local Postgres	1090	86	1176
✅ 🪟 Windows	98	0	98
✅ 📋 Other	552	36	588
Total	4931	361	5292

Details by Category

✅ ▲ Vercel Production

App	Passed	Skipped
✅ astro	91	7
✅ example	91	7
✅ express	91	7
✅ fastify	91	7
✅ hono	91	7
✅ nextjs-turbopack	96	2
✅ nextjs-webpack	96	2
✅ nitro	91	7
✅ nuxt	91	7
✅ sveltekit	91	7
✅ vite	91	7

✅ 💻 Local Development

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 📦 Local Production

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🐘 Local Postgres

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	98	0	0

✅ 📋 Other

App	Passed	Skipped
✅ e2e-local-dev-nest-stable	92	6
✅ e2e-local-dev-tanstack-start-stable	92	6
✅ e2e-local-postgres-nest-stable	92	6
✅ e2e-local-postgres-tanstack-start-stable	92	6
✅ e2e-local-prod-nest-stable	92	6
✅ e2e-local-prod-tanstack-start-stable	92	6

📋 View full workflow run

pranaygp · 2026-05-04T03:53:49Z

 "extends": ["//"],
 "tasks": {
 "build": {
+ "env": ["WORKFLOW_PUBLIC_MANIFEST"],


we should probably add this to all our workbenches btw 🤔

I think it's in the main turbo config and thus redundant

…lier-errors-followups * origin-https/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…ignal * origin/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…1914) * [workbench] Add TanStack Start workbench and tests (#1875) (cherry picked from commit 8202663) * Fix pnpm type issue after tanstack PR (#1907) (cherry picked from commit a7071bf)

VaguelySerious · 2026-05-04T03:42:07Z

No description provided.

Signed-off-by: Peter Wielander <mittgfu@gmail.com>

changeset-bot · 2026-05-04T03:42:13Z

⚠️ No Changeset found

Latest commit: abc479a

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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vercel · 2026-05-04T03:42:14Z

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 4, 2026 3:45am
example-nextjs-workflow-webpack	Ready	Preview, Comment	May 4, 2026 3:45am
example-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-astro-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-express-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-fastify-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-hono-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-nitro-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-nuxt-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-sveltekit-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-tanstack-start-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-vite-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-swc-playground	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-tarballs	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-web	Ready	Preview, Comment	May 4, 2026 3:45am

github-actions · 2026-05-04T03:42:16Z

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.043s (-2.0%)	1.005s (~)	0.962s	10	1.00x
💻 Local	Nitro	0.044s (+2.1%)	1.006s (~)	0.962s	10	1.01x
🐘 Postgres	Express	0.058s (+0.7%)	1.011s (~)	0.952s	10	1.35x
🐘 Postgres	Nitro	0.059s (-37.5% 🟢)	1.011s (-3.1%)	0.951s	10	1.37x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.238s (+1.0%)	5.938s (+178.0% 🔺)	5.700s	10	1.00x
▲ Vercel	Nitro	0.251s (-38.8% 🟢)	4.275s (+70.3% 🔺)	4.024s	10	1.05x

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.127s (~)	2.006s (~)	0.879s	10	1.00x
💻 Local	Nitro	1.128s (~)	2.006s (~)	0.878s	10	1.00x
🐘 Postgres	Express	1.138s (-0.7%)	2.010s (~)	0.872s	10	1.01x
🐘 Postgres	Nitro	1.149s (+0.8%)	2.012s (~)	0.863s	10	1.02x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.949s (+3.9%)	8.666s (+127.6% 🔺)	6.717s	10	1.00x
▲ Vercel	Nitro	2.838s (-27.1% 🟢)	6.996s (+18.4% 🔺)	4.158s	10	1.46x

🔍 Observability: Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	10.888s (-0.7%)	11.018s (~)	0.131s	3	1.00x
🐘 Postgres	Nitro	10.929s (+0.5%)	11.024s (~)	0.094s	3	1.00x
💻 Local	Nitro	10.934s (~)	11.022s (~)	0.088s	3	1.00x
💻 Local	Express	10.955s (~)	11.024s (~)	0.069s	3	1.01x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	20.805s (+22.5% 🔺)	22.605s (+12.9% 🔺)	1.800s	2	1.00x
▲ Vercel	Nitro	22.108s (-6.8% 🟢)	42.555s (+69.4% 🔺)	20.447s	1	1.06x

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.570s (~)	15.022s (~)	0.452s	4	1.00x
🐘 Postgres	Nitro	14.658s (~)	15.021s (~)	0.363s	4	1.01x
💻 Local	Nitro	15.011s (~)	15.530s (-3.1%)	0.519s	4	1.03x
💻 Local	Express	15.025s (~)	15.280s (+1.7%)	0.256s	4	1.03x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	31.087s (-38.2% 🟢)	38.884s (-26.0% 🟢)	7.798s	2	1.00x
▲ Vercel	Nitro	33.493s (-48.0% 🟢)	42.737s (-35.9% 🟢)	9.244s	2	1.08x

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.044s (~)	14.590s (~)	0.546s	7	1.00x
🐘 Postgres	Nitro	14.270s (+2.2%)	15.024s (+5.0%)	0.755s	6	1.02x
💻 Local	Nitro	16.756s (~)	17.031s (~)	0.274s	6	1.19x
💻 Local	Express	16.975s (+2.2%)	17.364s (+2.0%)	0.389s	6	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	55.634s (-86.8% 🟢)	67.104s (-84.2% 🟢)	11.470s	2	1.00x
▲ Vercel	Express	63.380s (-47.7% 🟢)	64.978s (-47.5% 🟢)	1.598s	2	1.14x

🔍 Observability: Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.260s (~)	2.010s (~)	0.750s	15	1.00x
🐘 Postgres	Nitro	1.272s (~)	2.009s (~)	0.737s	15	1.01x
💻 Local	Express	1.509s (+1.3%)	2.005s (~)	0.496s	15	1.20x
💻 Local	Nitro	1.528s (-6.4% 🟢)	2.005s (-3.3%)	0.477s	15	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.437s (-14.8% 🟢)	6.644s (+43.7% 🔺)	4.207s	5	1.00x
▲ Vercel	Nitro	2.727s (-3.2%)	15.026s (+247.6% 🔺)	12.299s	3	1.12x

🔍 Observability: Express | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.326s (-1.5%)	3.009s (~)	0.683s	10	1.00x
🐘 Postgres	Nitro	2.353s (~)	3.010s (~)	0.657s	10	1.01x
💻 Local	Nitro	2.951s (-6.1% 🟢)	3.454s (-11.1% 🟢)	0.503s	9	1.27x
💻 Local	Express	2.969s (+0.5%)	3.308s (-4.2%)	0.339s	10	1.28x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.270s (-37.3% 🟢)	7.526s (+47.3% 🔺)	5.256s	4	1.00x
▲ Vercel	Nitro	2.473s (-39.0% 🟢)	6.597s (+11.4% 🔺)	4.124s	6	1.09x

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.452s (-1.0%)	4.010s (~)	0.558s	8	1.00x
🐘 Postgres	Nitro	3.464s (~)	4.010s (~)	0.546s	8	1.00x
💻 Local	Nitro	8.252s (-1.2%)	9.025s (~)	0.773s	4	2.39x
💻 Local	Express	8.332s (~)	9.024s (~)	0.691s	4	2.41x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.855s (-32.7% 🟢)	7.771s (+26.8% 🔺)	4.917s	4	1.00x
▲ Vercel	Nitro	3.648s (+3.5%)	7.809s (+41.1% 🔺)	4.161s	5	1.28x

🔍 Observability: Express | Nitro

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.252s (~)	2.008s (~)	0.755s	15	1.00x
🐘 Postgres	Nitro	1.253s (~)	2.008s (~)	0.755s	15	1.00x
💻 Local	Express	1.525s (-19.5% 🟢)	2.006s (-15.1% 🟢)	0.481s	15	1.22x
💻 Local	Nitro	1.528s (-18.1% 🟢)	2.007s (-14.2% 🟢)	0.479s	15	1.22x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.240s (-8.9% 🟢)	10.000s (+139.9% 🔺)	7.760s	4	1.00x
▲ Vercel	Express	2.256s (-12.6% 🟢)	15.382s (+253.6% 🔺)	13.126s	2	1.01x

🔍 Observability: Nitro | Express

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.333s (~)	3.010s (~)	0.677s	10	1.00x
🐘 Postgres	Nitro	2.339s (~)	3.009s (~)	0.670s	10	1.00x
💻 Local	Express	3.025s (-3.4%)	3.759s (~)	0.734s	8	1.30x
💻 Local	Nitro	3.118s (+1.7%)	4.011s (+3.2%)	0.894s	8	1.34x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.485s (-23.2% 🟢)	6.504s (+28.1% 🔺)	4.020s	5	1.00x
▲ Vercel	Express	2.540s (-20.4% 🟢)	10.130s (+111.4% 🔺)	7.590s	3	1.02x

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.455s (-1.3%)	4.011s (~)	0.556s	8	1.00x
🐘 Postgres	Nitro	3.495s (~)	4.010s (~)	0.516s	8	1.01x
💻 Local	Nitro	9.101s (~)	9.776s (-2.5%)	0.675s	4	2.63x
💻 Local	Express	9.133s (+3.8%)	9.526s (+2.7%)	0.393s	4	2.64x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.648s (-58.7% 🟢)	7.925s (-3.1%)	5.276s	5	1.00x
▲ Vercel	Nitro	2.771s (-45.6% 🟢)	8.038s (+17.9% 🔺)	5.268s	4	1.05x

🔍 Observability: Express | Nitro

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.806s (-4.0%)	1.006s (-1.7%)	0.200s	60	1.00x
🐘 Postgres	Nitro	0.861s (+5.0%)	1.023s (+1.7%)	0.162s	59	1.07x
💻 Local	Express	1.011s (+2.7%)	1.493s (+38.8% 🔺)	0.482s	41	1.25x
💻 Local	Nitro	1.013s (+3.3%)	1.506s (+37.7% 🔺)	0.493s	40	1.26x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	9.749s (-55.8% 🟢)	12.732s (-47.0% 🟢)	2.983s	5	1.00x
▲ Vercel	Express	11.495s (-39.5% 🟢)	20.624s (-3.3%)	9.128s	3	1.18x

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.924s (-2.7%)	2.099s (-7.1% 🟢)	0.175s	44	1.00x
🐘 Postgres	Nitro	2.045s (+6.1% 🔺)	2.714s (+29.2% 🔺)	0.669s	34	1.06x
💻 Local	Express	3.055s (+1.3%)	3.843s (+7.2% 🔺)	0.789s	24	1.59x
💻 Local	Nitro	3.087s (+1.7%)	3.967s (+5.5% 🔺)	0.880s	23	1.60x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	28.325s (-28.3% 🟢)	30.268s (-26.7% 🟢)	1.943s	4	1.00x
▲ Vercel	Express	28.923s (-16.2% 🟢)	32.811s (-10.9% 🟢)	3.888s	3	1.02x

🔍 Observability: Nitro | Express

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.888s (-2.6%)	4.075s (-6.7% 🟢)	0.188s	30	1.00x
🐘 Postgres	Nitro	4.150s (+1.1%)	4.971s (+8.0% 🔺)	0.821s	25	1.07x
💻 Local	Express	9.271s (+0.7%)	10.018s (~)	0.747s	12	2.38x
💻 Local	Nitro	9.535s (+2.6%)	10.019s (~)	0.484s	12	2.45x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	71.457s (-26.3% 🟢)	73.457s (-25.4% 🟢)	2.000s	2	1.00x
▲ Vercel	Express	75.091s (-42.3% 🟢)	77.249s (-41.6% 🟢)	2.158s	2	1.05x

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.278s (-1.6%)	1.007s (~)	0.729s	60	1.00x
🐘 Postgres	Nitro	0.290s (+2.4%)	1.007s (~)	0.717s	60	1.04x
💻 Local	Nitro	0.623s (+3.1%)	1.022s (~)	0.398s	59	2.24x
💻 Local	Express	0.667s (+19.1% 🔺)	1.096s (+9.1% 🔺)	0.428s	55	2.40x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.341s (-31.4% 🟢)	3.019s (-17.0% 🟢)	1.678s	20	1.00x
▲ Vercel	Nitro	1.576s (-5.1% 🟢)	3.217s (-4.0%)	1.641s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.493s (-3.2%)	1.006s (~)	0.513s	90	1.00x
🐘 Postgres	Nitro	0.515s (+3.7%)	1.007s (~)	0.492s	90	1.04x
💻 Local	Express	2.552s (+1.6%)	3.009s (~)	0.457s	30	5.17x
💻 Local	Nitro	2.675s (+5.4% 🔺)	3.010s (~)	0.335s	30	5.42x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.680s (-12.0% 🟢)	4.455s (-7.3% 🟢)	1.775s	21	1.00x
▲ Vercel	Nitro	3.150s (-2.4%)	4.792s (-0.6%)	1.643s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.773s (-5.5% 🟢)	1.007s (-1.0%)	0.234s	120	1.00x
🐘 Postgres	Nitro	0.830s (+5.0%)	1.010s (~)	0.180s	119	1.07x
💻 Local	Express	11.192s (~)	11.754s (-1.6%)	0.561s	11	14.47x
💻 Local	Nitro	11.482s (+2.6%)	12.027s (+3.1%)	0.545s	10	14.85x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.700s (-13.2% 🟢)	8.420s (-10.4% 🟢)	1.719s	15	1.00x
▲ Vercel	Express	7.695s (+3.7%)	9.527s (+3.1%)	1.833s	14	1.15x

🔍 Observability: Nitro | Express

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.199s (-3.2%)	0.999s (~)	0.001s (-43.8% 🟢)	1.010s (~)	0.811s	10	1.00x
💻 Local	Nitro	0.204s (-4.5%)	1.004s (~)	0.012s (-4.8%)	1.018s (~)	0.814s	10	1.03x
💻 Local	Express	0.220s (+10.7% 🔺)	1.004s (~)	0.012s (~)	1.018s (~)	0.798s	10	1.11x
🐘 Postgres	Nitro	0.224s (+9.2% 🔺)	0.995s (~)	0.001s (-6.7% 🟢)	1.011s (~)	0.787s	10	1.13x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.806s (-27.9% 🟢)	10.621s (+159.7% 🔺)	1.045s (+8.8% 🔺)	12.584s (+125.1% 🔺)	10.777s	10	1.00x
▲ Vercel	Nitro	1.977s (-48.4% 🟢)	6.256s (+18.6% 🔺)	1.089s (+46.8% 🔺)	11.673s (+80.1% 🔺)	9.697s	10	1.09x

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.606s (-3.8%)	1.006s (~)	0.004s (+1.3%)	1.023s (~)	0.417s	59	1.00x
🐘 Postgres	Nitro	0.636s (+2.0%)	1.007s (~)	0.004s (-5.7% 🟢)	1.021s (~)	0.385s	59	1.05x
💻 Local	Express	0.851s (+12.4% 🔺)	1.012s (-1.6%)	0.010s (+5.6% 🔺)	1.117s (+7.4% 🔺)	0.266s	54	1.40x
💻 Local	Nitro	0.965s (+15.0% 🔺)	1.012s (~)	0.010s (+8.0% 🔺)	1.229s (+10.2% 🔺)	0.265s	49	1.59x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	4.113s (-36.8% 🟢)	5.737s (-28.4% 🟢)	0.202s (-50.7% 🟢)	6.355s (-28.1% 🟢)	2.242s	10	1.00x
▲ Vercel	Nitro	4.139s (-85.9% 🟢)	5.691s (-81.5% 🟢)	0.373s (+232.9% 🔺)	6.508s (-79.5% 🟢)	2.369s	10	1.01x

🔍 Observability: Express | Nitro

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.921s (-4.2%)	1.104s (-13.6% 🟢)	0.000s (-16.4% 🟢)	1.117s (-14.5% 🟢)	0.196s	55	1.00x
🐘 Postgres	Nitro	0.961s (-0.8%)	1.266s (+1.5%)	0.000s (+200.0% 🔺)	1.279s (+1.7%)	0.318s	48	1.04x
💻 Local	Nitro	1.212s (-0.9%)	2.019s (~)	0.000s (-33.3% 🟢)	2.021s (~)	0.809s	30	1.32x
💻 Local	Express	1.220s (~)	2.021s (~)	0.001s (+60.0% 🔺)	2.023s (~)	0.804s	30	1.32x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.894s (-22.6% 🟢)	4.461s (-12.6% 🟢)	0.000s (-100.0% 🟢)	4.890s (-11.6% 🟢)	1.996s	13	1.00x
▲ Vercel	Nitro	3.033s (-0.6%)	4.632s (+5.5% 🔺)	0.000s (-100.0% 🟢)	5.075s (+5.5% 🔺)	2.042s	12	1.05x

🔍 Observability: Express | Nitro

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.718s (-3.1%)	2.143s (-1.6%)	0.000s (+Infinity% 🔺)	2.153s (-2.1%)	0.435s	28	1.00x
🐘 Postgres	Nitro	1.731s (-3.4%)	2.070s (-3.3%)	0.000s (-3.4%)	2.078s (-4.4%)	0.347s	29	1.01x
💻 Local	Nitro	2.895s (-14.5% 🟢)	3.190s (-20.9% 🟢)	0.001s (+18.4% 🔺)	3.192s (-20.9% 🟢)	0.297s	19	1.69x
💻 Local	Express	2.949s (-14.9% 🟢)	3.243s (-19.6% 🟢)	0.001s (+18.4% 🔺)	3.246s (-19.6% 🟢)	0.297s	19	1.72x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.931s (-14.3% 🟢)	5.232s (-13.1% 🟢)	0.000s (NaN%)	5.658s (-12.4% 🟢)	1.727s	11	1.00x
▲ Vercel	Nitro	4.090s (~)	5.563s (+3.5%)	0.000s (-100.0% 🟢)	5.990s (+3.4%)	1.900s	11	1.04x

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Express	11/21
🐘 Postgres	Express	21/21
▲ Vercel	Express	14/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Nitro	🐘 Postgres	17/21

Column Definitions

Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
Wall Time: Total testbench time (trigger workflow + poll for result)
Overhead: Testbench overhead (Wall Time - Workflow Time)
Samples: Number of benchmark iterations run
vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

💻 Local: In-memory filesystem world (local development)
🐘 Postgres: PostgreSQL database world (local development)
▲ Vercel: Vercel production/preview deployment
🌐 Turso: Community world (local development)
🌐 MongoDB: Community world (local development)
🌐 Redis: Community world (local development)
🌐 Jazz: Community world (local development)

📋 View full workflow run

github-actions · 2026-05-04T03:42:18Z

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Skipped	Total
✅ ▲ Vercel Production	1011	67	1078
✅ 💻 Local Development	1090	86	1176
✅ 📦 Local Production	1090	86	1176
✅ 🐘 Local Postgres	1090	86	1176
✅ 🪟 Windows	98	0	98
✅ 📋 Other	552	36	588
Total	4931	361	5292

Details by Category

✅ ▲ Vercel Production

App	Passed	Skipped
✅ astro	91	7
✅ example	91	7
✅ express	91	7
✅ fastify	91	7
✅ hono	91	7
✅ nextjs-turbopack	96	2
✅ nextjs-webpack	96	2
✅ nitro	91	7
✅ nuxt	91	7
✅ sveltekit	91	7
✅ vite	91	7

✅ 💻 Local Development

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 📦 Local Production

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🐘 Local Postgres

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	98	0	0

✅ 📋 Other

App	Passed	Skipped
✅ e2e-local-dev-nest-stable	92	6
✅ e2e-local-dev-tanstack-start-stable	92	6
✅ e2e-local-postgres-nest-stable	92	6
✅ e2e-local-postgres-tanstack-start-stable	92	6
✅ e2e-local-prod-nest-stable	92	6
✅ e2e-local-prod-tanstack-start-stable	92	6

📋 View full workflow run

pranaygp · 2026-05-04T03:53:49Z

 "extends": ["//"],
 "tasks": {
 "build": {
+ "env": ["WORKFLOW_PUBLIC_MANIFEST"],


we should probably add this to all our workbenches btw 🤔

I think it's in the main turbo config and thus redundant

…lier-errors-followups * origin-https/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…ignal * origin/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…1914) * [workbench] Add TanStack Start workbench and tests (#1875) (cherry picked from commit 8202663) * Fix pnpm type issue after tanstack PR (#1907) (cherry picked from commit a7071bf)

VaguelySerious · 2026-05-04T03:42:07Z

No description provided.

Signed-off-by: Peter Wielander <mittgfu@gmail.com>

changeset-bot · 2026-05-04T03:42:13Z

⚠️ No Changeset found

Latest commit: abc479a

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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vercel · 2026-05-04T03:42:14Z

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 4, 2026 3:45am
example-nextjs-workflow-webpack	Ready	Preview, Comment	May 4, 2026 3:45am
example-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-astro-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-express-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-fastify-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-hono-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-nitro-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-nuxt-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-sveltekit-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-tanstack-start-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-vite-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-swc-playground	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-tarballs	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-web	Ready	Preview, Comment	May 4, 2026 3:45am

github-actions · 2026-05-04T03:42:16Z

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.043s (-2.0%)	1.005s (~)	0.962s	10	1.00x
💻 Local	Nitro	0.044s (+2.1%)	1.006s (~)	0.962s	10	1.01x
🐘 Postgres	Express	0.058s (+0.7%)	1.011s (~)	0.952s	10	1.35x
🐘 Postgres	Nitro	0.059s (-37.5% 🟢)	1.011s (-3.1%)	0.951s	10	1.37x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.238s (+1.0%)	5.938s (+178.0% 🔺)	5.700s	10	1.00x
▲ Vercel	Nitro	0.251s (-38.8% 🟢)	4.275s (+70.3% 🔺)	4.024s	10	1.05x

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.127s (~)	2.006s (~)	0.879s	10	1.00x
💻 Local	Nitro	1.128s (~)	2.006s (~)	0.878s	10	1.00x
🐘 Postgres	Express	1.138s (-0.7%)	2.010s (~)	0.872s	10	1.01x
🐘 Postgres	Nitro	1.149s (+0.8%)	2.012s (~)	0.863s	10	1.02x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.949s (+3.9%)	8.666s (+127.6% 🔺)	6.717s	10	1.00x
▲ Vercel	Nitro	2.838s (-27.1% 🟢)	6.996s (+18.4% 🔺)	4.158s	10	1.46x

🔍 Observability: Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	10.888s (-0.7%)	11.018s (~)	0.131s	3	1.00x
🐘 Postgres	Nitro	10.929s (+0.5%)	11.024s (~)	0.094s	3	1.00x
💻 Local	Nitro	10.934s (~)	11.022s (~)	0.088s	3	1.00x
💻 Local	Express	10.955s (~)	11.024s (~)	0.069s	3	1.01x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	20.805s (+22.5% 🔺)	22.605s (+12.9% 🔺)	1.800s	2	1.00x
▲ Vercel	Nitro	22.108s (-6.8% 🟢)	42.555s (+69.4% 🔺)	20.447s	1	1.06x

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.570s (~)	15.022s (~)	0.452s	4	1.00x
🐘 Postgres	Nitro	14.658s (~)	15.021s (~)	0.363s	4	1.01x
💻 Local	Nitro	15.011s (~)	15.530s (-3.1%)	0.519s	4	1.03x
💻 Local	Express	15.025s (~)	15.280s (+1.7%)	0.256s	4	1.03x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	31.087s (-38.2% 🟢)	38.884s (-26.0% 🟢)	7.798s	2	1.00x
▲ Vercel	Nitro	33.493s (-48.0% 🟢)	42.737s (-35.9% 🟢)	9.244s	2	1.08x

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.044s (~)	14.590s (~)	0.546s	7	1.00x
🐘 Postgres	Nitro	14.270s (+2.2%)	15.024s (+5.0%)	0.755s	6	1.02x
💻 Local	Nitro	16.756s (~)	17.031s (~)	0.274s	6	1.19x
💻 Local	Express	16.975s (+2.2%)	17.364s (+2.0%)	0.389s	6	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	55.634s (-86.8% 🟢)	67.104s (-84.2% 🟢)	11.470s	2	1.00x
▲ Vercel	Express	63.380s (-47.7% 🟢)	64.978s (-47.5% 🟢)	1.598s	2	1.14x

🔍 Observability: Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.260s (~)	2.010s (~)	0.750s	15	1.00x
🐘 Postgres	Nitro	1.272s (~)	2.009s (~)	0.737s	15	1.01x
💻 Local	Express	1.509s (+1.3%)	2.005s (~)	0.496s	15	1.20x
💻 Local	Nitro	1.528s (-6.4% 🟢)	2.005s (-3.3%)	0.477s	15	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.437s (-14.8% 🟢)	6.644s (+43.7% 🔺)	4.207s	5	1.00x
▲ Vercel	Nitro	2.727s (-3.2%)	15.026s (+247.6% 🔺)	12.299s	3	1.12x

🔍 Observability: Express | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.326s (-1.5%)	3.009s (~)	0.683s	10	1.00x
🐘 Postgres	Nitro	2.353s (~)	3.010s (~)	0.657s	10	1.01x
💻 Local	Nitro	2.951s (-6.1% 🟢)	3.454s (-11.1% 🟢)	0.503s	9	1.27x
💻 Local	Express	2.969s (+0.5%)	3.308s (-4.2%)	0.339s	10	1.28x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.270s (-37.3% 🟢)	7.526s (+47.3% 🔺)	5.256s	4	1.00x
▲ Vercel	Nitro	2.473s (-39.0% 🟢)	6.597s (+11.4% 🔺)	4.124s	6	1.09x

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.452s (-1.0%)	4.010s (~)	0.558s	8	1.00x
🐘 Postgres	Nitro	3.464s (~)	4.010s (~)	0.546s	8	1.00x
💻 Local	Nitro	8.252s (-1.2%)	9.025s (~)	0.773s	4	2.39x
💻 Local	Express	8.332s (~)	9.024s (~)	0.691s	4	2.41x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.855s (-32.7% 🟢)	7.771s (+26.8% 🔺)	4.917s	4	1.00x
▲ Vercel	Nitro	3.648s (+3.5%)	7.809s (+41.1% 🔺)	4.161s	5	1.28x

🔍 Observability: Express | Nitro

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.252s (~)	2.008s (~)	0.755s	15	1.00x
🐘 Postgres	Nitro	1.253s (~)	2.008s (~)	0.755s	15	1.00x
💻 Local	Express	1.525s (-19.5% 🟢)	2.006s (-15.1% 🟢)	0.481s	15	1.22x
💻 Local	Nitro	1.528s (-18.1% 🟢)	2.007s (-14.2% 🟢)	0.479s	15	1.22x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.240s (-8.9% 🟢)	10.000s (+139.9% 🔺)	7.760s	4	1.00x
▲ Vercel	Express	2.256s (-12.6% 🟢)	15.382s (+253.6% 🔺)	13.126s	2	1.01x

🔍 Observability: Nitro | Express

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.333s (~)	3.010s (~)	0.677s	10	1.00x
🐘 Postgres	Nitro	2.339s (~)	3.009s (~)	0.670s	10	1.00x
💻 Local	Express	3.025s (-3.4%)	3.759s (~)	0.734s	8	1.30x
💻 Local	Nitro	3.118s (+1.7%)	4.011s (+3.2%)	0.894s	8	1.34x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.485s (-23.2% 🟢)	6.504s (+28.1% 🔺)	4.020s	5	1.00x
▲ Vercel	Express	2.540s (-20.4% 🟢)	10.130s (+111.4% 🔺)	7.590s	3	1.02x

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.455s (-1.3%)	4.011s (~)	0.556s	8	1.00x
🐘 Postgres	Nitro	3.495s (~)	4.010s (~)	0.516s	8	1.01x
💻 Local	Nitro	9.101s (~)	9.776s (-2.5%)	0.675s	4	2.63x
💻 Local	Express	9.133s (+3.8%)	9.526s (+2.7%)	0.393s	4	2.64x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.648s (-58.7% 🟢)	7.925s (-3.1%)	5.276s	5	1.00x
▲ Vercel	Nitro	2.771s (-45.6% 🟢)	8.038s (+17.9% 🔺)	5.268s	4	1.05x

🔍 Observability: Express | Nitro

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.806s (-4.0%)	1.006s (-1.7%)	0.200s	60	1.00x
🐘 Postgres	Nitro	0.861s (+5.0%)	1.023s (+1.7%)	0.162s	59	1.07x
💻 Local	Express	1.011s (+2.7%)	1.493s (+38.8% 🔺)	0.482s	41	1.25x
💻 Local	Nitro	1.013s (+3.3%)	1.506s (+37.7% 🔺)	0.493s	40	1.26x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	9.749s (-55.8% 🟢)	12.732s (-47.0% 🟢)	2.983s	5	1.00x
▲ Vercel	Express	11.495s (-39.5% 🟢)	20.624s (-3.3%)	9.128s	3	1.18x

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.924s (-2.7%)	2.099s (-7.1% 🟢)	0.175s	44	1.00x
🐘 Postgres	Nitro	2.045s (+6.1% 🔺)	2.714s (+29.2% 🔺)	0.669s	34	1.06x
💻 Local	Express	3.055s (+1.3%)	3.843s (+7.2% 🔺)	0.789s	24	1.59x
💻 Local	Nitro	3.087s (+1.7%)	3.967s (+5.5% 🔺)	0.880s	23	1.60x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	28.325s (-28.3% 🟢)	30.268s (-26.7% 🟢)	1.943s	4	1.00x
▲ Vercel	Express	28.923s (-16.2% 🟢)	32.811s (-10.9% 🟢)	3.888s	3	1.02x

🔍 Observability: Nitro | Express

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.888s (-2.6%)	4.075s (-6.7% 🟢)	0.188s	30	1.00x
🐘 Postgres	Nitro	4.150s (+1.1%)	4.971s (+8.0% 🔺)	0.821s	25	1.07x
💻 Local	Express	9.271s (+0.7%)	10.018s (~)	0.747s	12	2.38x
💻 Local	Nitro	9.535s (+2.6%)	10.019s (~)	0.484s	12	2.45x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	71.457s (-26.3% 🟢)	73.457s (-25.4% 🟢)	2.000s	2	1.00x
▲ Vercel	Express	75.091s (-42.3% 🟢)	77.249s (-41.6% 🟢)	2.158s	2	1.05x

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.278s (-1.6%)	1.007s (~)	0.729s	60	1.00x
🐘 Postgres	Nitro	0.290s (+2.4%)	1.007s (~)	0.717s	60	1.04x
💻 Local	Nitro	0.623s (+3.1%)	1.022s (~)	0.398s	59	2.24x
💻 Local	Express	0.667s (+19.1% 🔺)	1.096s (+9.1% 🔺)	0.428s	55	2.40x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.341s (-31.4% 🟢)	3.019s (-17.0% 🟢)	1.678s	20	1.00x
▲ Vercel	Nitro	1.576s (-5.1% 🟢)	3.217s (-4.0%)	1.641s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.493s (-3.2%)	1.006s (~)	0.513s	90	1.00x
🐘 Postgres	Nitro	0.515s (+3.7%)	1.007s (~)	0.492s	90	1.04x
💻 Local	Express	2.552s (+1.6%)	3.009s (~)	0.457s	30	5.17x
💻 Local	Nitro	2.675s (+5.4% 🔺)	3.010s (~)	0.335s	30	5.42x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.680s (-12.0% 🟢)	4.455s (-7.3% 🟢)	1.775s	21	1.00x
▲ Vercel	Nitro	3.150s (-2.4%)	4.792s (-0.6%)	1.643s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.773s (-5.5% 🟢)	1.007s (-1.0%)	0.234s	120	1.00x
🐘 Postgres	Nitro	0.830s (+5.0%)	1.010s (~)	0.180s	119	1.07x
💻 Local	Express	11.192s (~)	11.754s (-1.6%)	0.561s	11	14.47x
💻 Local	Nitro	11.482s (+2.6%)	12.027s (+3.1%)	0.545s	10	14.85x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.700s (-13.2% 🟢)	8.420s (-10.4% 🟢)	1.719s	15	1.00x
▲ Vercel	Express	7.695s (+3.7%)	9.527s (+3.1%)	1.833s	14	1.15x

🔍 Observability: Nitro | Express

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.199s (-3.2%)	0.999s (~)	0.001s (-43.8% 🟢)	1.010s (~)	0.811s	10	1.00x
💻 Local	Nitro	0.204s (-4.5%)	1.004s (~)	0.012s (-4.8%)	1.018s (~)	0.814s	10	1.03x
💻 Local	Express	0.220s (+10.7% 🔺)	1.004s (~)	0.012s (~)	1.018s (~)	0.798s	10	1.11x
🐘 Postgres	Nitro	0.224s (+9.2% 🔺)	0.995s (~)	0.001s (-6.7% 🟢)	1.011s (~)	0.787s	10	1.13x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.806s (-27.9% 🟢)	10.621s (+159.7% 🔺)	1.045s (+8.8% 🔺)	12.584s (+125.1% 🔺)	10.777s	10	1.00x
▲ Vercel	Nitro	1.977s (-48.4% 🟢)	6.256s (+18.6% 🔺)	1.089s (+46.8% 🔺)	11.673s (+80.1% 🔺)	9.697s	10	1.09x

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.606s (-3.8%)	1.006s (~)	0.004s (+1.3%)	1.023s (~)	0.417s	59	1.00x
🐘 Postgres	Nitro	0.636s (+2.0%)	1.007s (~)	0.004s (-5.7% 🟢)	1.021s (~)	0.385s	59	1.05x
💻 Local	Express	0.851s (+12.4% 🔺)	1.012s (-1.6%)	0.010s (+5.6% 🔺)	1.117s (+7.4% 🔺)	0.266s	54	1.40x
💻 Local	Nitro	0.965s (+15.0% 🔺)	1.012s (~)	0.010s (+8.0% 🔺)	1.229s (+10.2% 🔺)	0.265s	49	1.59x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	4.113s (-36.8% 🟢)	5.737s (-28.4% 🟢)	0.202s (-50.7% 🟢)	6.355s (-28.1% 🟢)	2.242s	10	1.00x
▲ Vercel	Nitro	4.139s (-85.9% 🟢)	5.691s (-81.5% 🟢)	0.373s (+232.9% 🔺)	6.508s (-79.5% 🟢)	2.369s	10	1.01x

🔍 Observability: Express | Nitro

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.921s (-4.2%)	1.104s (-13.6% 🟢)	0.000s (-16.4% 🟢)	1.117s (-14.5% 🟢)	0.196s	55	1.00x
🐘 Postgres	Nitro	0.961s (-0.8%)	1.266s (+1.5%)	0.000s (+200.0% 🔺)	1.279s (+1.7%)	0.318s	48	1.04x
💻 Local	Nitro	1.212s (-0.9%)	2.019s (~)	0.000s (-33.3% 🟢)	2.021s (~)	0.809s	30	1.32x
💻 Local	Express	1.220s (~)	2.021s (~)	0.001s (+60.0% 🔺)	2.023s (~)	0.804s	30	1.32x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.894s (-22.6% 🟢)	4.461s (-12.6% 🟢)	0.000s (-100.0% 🟢)	4.890s (-11.6% 🟢)	1.996s	13	1.00x
▲ Vercel	Nitro	3.033s (-0.6%)	4.632s (+5.5% 🔺)	0.000s (-100.0% 🟢)	5.075s (+5.5% 🔺)	2.042s	12	1.05x

🔍 Observability: Express | Nitro

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.718s (-3.1%)	2.143s (-1.6%)	0.000s (+Infinity% 🔺)	2.153s (-2.1%)	0.435s	28	1.00x
🐘 Postgres	Nitro	1.731s (-3.4%)	2.070s (-3.3%)	0.000s (-3.4%)	2.078s (-4.4%)	0.347s	29	1.01x
💻 Local	Nitro	2.895s (-14.5% 🟢)	3.190s (-20.9% 🟢)	0.001s (+18.4% 🔺)	3.192s (-20.9% 🟢)	0.297s	19	1.69x
💻 Local	Express	2.949s (-14.9% 🟢)	3.243s (-19.6% 🟢)	0.001s (+18.4% 🔺)	3.246s (-19.6% 🟢)	0.297s	19	1.72x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.931s (-14.3% 🟢)	5.232s (-13.1% 🟢)	0.000s (NaN%)	5.658s (-12.4% 🟢)	1.727s	11	1.00x
▲ Vercel	Nitro	4.090s (~)	5.563s (+3.5%)	0.000s (-100.0% 🟢)	5.990s (+3.4%)	1.900s	11	1.04x

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Express	11/21
🐘 Postgres	Express	21/21
▲ Vercel	Express	14/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Nitro	🐘 Postgres	17/21

Column Definitions

Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
Wall Time: Total testbench time (trigger workflow + poll for result)
Overhead: Testbench overhead (Wall Time - Workflow Time)
Samples: Number of benchmark iterations run
vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

💻 Local: In-memory filesystem world (local development)
🐘 Postgres: PostgreSQL database world (local development)
▲ Vercel: Vercel production/preview deployment
🌐 Turso: Community world (local development)
🌐 MongoDB: Community world (local development)
🌐 Redis: Community world (local development)
🌐 Jazz: Community world (local development)

📋 View full workflow run

github-actions · 2026-05-04T03:42:18Z

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Skipped	Total
✅ ▲ Vercel Production	1011	67	1078
✅ 💻 Local Development	1090	86	1176
✅ 📦 Local Production	1090	86	1176
✅ 🐘 Local Postgres	1090	86	1176
✅ 🪟 Windows	98	0	98
✅ 📋 Other	552	36	588
Total	4931	361	5292

Details by Category

✅ ▲ Vercel Production

App	Passed	Skipped
✅ astro	91	7
✅ example	91	7
✅ express	91	7
✅ fastify	91	7
✅ hono	91	7
✅ nextjs-turbopack	96	2
✅ nextjs-webpack	96	2
✅ nitro	91	7
✅ nuxt	91	7
✅ sveltekit	91	7
✅ vite	91	7

✅ 💻 Local Development

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 📦 Local Production

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🐘 Local Postgres

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	98	0	0

✅ 📋 Other

App	Passed	Skipped
✅ e2e-local-dev-nest-stable	92	6
✅ e2e-local-dev-tanstack-start-stable	92	6
✅ e2e-local-postgres-nest-stable	92	6
✅ e2e-local-postgres-tanstack-start-stable	92	6
✅ e2e-local-prod-nest-stable	92	6
✅ e2e-local-prod-tanstack-start-stable	92	6

📋 View full workflow run

pranaygp · 2026-05-04T03:53:49Z

 "extends": ["//"],
 "tasks": {
 "build": {
+ "env": ["WORKFLOW_PUBLIC_MANIFEST"],


we should probably add this to all our workbenches btw 🤔

I think it's in the main turbo config and thus redundant

…lier-errors-followups * origin-https/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…ignal * origin/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…1914) * [workbench] Add TanStack Start workbench and tests (#1875) (cherry picked from commit 8202663) * Fix pnpm type issue after tanstack PR (#1907) (cherry picked from commit a7071bf)

VaguelySerious · 2026-05-04T03:42:07Z

No description provided.

Signed-off-by: Peter Wielander <mittgfu@gmail.com>

changeset-bot · 2026-05-04T03:42:13Z

⚠️ No Changeset found

Latest commit: abc479a

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This PR includes no changesets

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vercel · 2026-05-04T03:42:14Z

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 4, 2026 3:45am
example-nextjs-workflow-webpack	Ready	Preview, Comment	May 4, 2026 3:45am
example-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-astro-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-express-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-fastify-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-hono-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-nitro-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-nuxt-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-sveltekit-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-tanstack-start-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-vite-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-swc-playground	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-tarballs	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-web	Ready	Preview, Comment	May 4, 2026 3:45am

github-actions · 2026-05-04T03:42:16Z

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.043s (-2.0%)	1.005s (~)	0.962s	10	1.00x
💻 Local	Nitro	0.044s (+2.1%)	1.006s (~)	0.962s	10	1.01x
🐘 Postgres	Express	0.058s (+0.7%)	1.011s (~)	0.952s	10	1.35x
🐘 Postgres	Nitro	0.059s (-37.5% 🟢)	1.011s (-3.1%)	0.951s	10	1.37x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.238s (+1.0%)	5.938s (+178.0% 🔺)	5.700s	10	1.00x
▲ Vercel	Nitro	0.251s (-38.8% 🟢)	4.275s (+70.3% 🔺)	4.024s	10	1.05x

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.127s (~)	2.006s (~)	0.879s	10	1.00x
💻 Local	Nitro	1.128s (~)	2.006s (~)	0.878s	10	1.00x
🐘 Postgres	Express	1.138s (-0.7%)	2.010s (~)	0.872s	10	1.01x
🐘 Postgres	Nitro	1.149s (+0.8%)	2.012s (~)	0.863s	10	1.02x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.949s (+3.9%)	8.666s (+127.6% 🔺)	6.717s	10	1.00x
▲ Vercel	Nitro	2.838s (-27.1% 🟢)	6.996s (+18.4% 🔺)	4.158s	10	1.46x

🔍 Observability: Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	10.888s (-0.7%)	11.018s (~)	0.131s	3	1.00x
🐘 Postgres	Nitro	10.929s (+0.5%)	11.024s (~)	0.094s	3	1.00x
💻 Local	Nitro	10.934s (~)	11.022s (~)	0.088s	3	1.00x
💻 Local	Express	10.955s (~)	11.024s (~)	0.069s	3	1.01x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	20.805s (+22.5% 🔺)	22.605s (+12.9% 🔺)	1.800s	2	1.00x
▲ Vercel	Nitro	22.108s (-6.8% 🟢)	42.555s (+69.4% 🔺)	20.447s	1	1.06x

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.570s (~)	15.022s (~)	0.452s	4	1.00x
🐘 Postgres	Nitro	14.658s (~)	15.021s (~)	0.363s	4	1.01x
💻 Local	Nitro	15.011s (~)	15.530s (-3.1%)	0.519s	4	1.03x
💻 Local	Express	15.025s (~)	15.280s (+1.7%)	0.256s	4	1.03x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	31.087s (-38.2% 🟢)	38.884s (-26.0% 🟢)	7.798s	2	1.00x
▲ Vercel	Nitro	33.493s (-48.0% 🟢)	42.737s (-35.9% 🟢)	9.244s	2	1.08x

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.044s (~)	14.590s (~)	0.546s	7	1.00x
🐘 Postgres	Nitro	14.270s (+2.2%)	15.024s (+5.0%)	0.755s	6	1.02x
💻 Local	Nitro	16.756s (~)	17.031s (~)	0.274s	6	1.19x
💻 Local	Express	16.975s (+2.2%)	17.364s (+2.0%)	0.389s	6	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	55.634s (-86.8% 🟢)	67.104s (-84.2% 🟢)	11.470s	2	1.00x
▲ Vercel	Express	63.380s (-47.7% 🟢)	64.978s (-47.5% 🟢)	1.598s	2	1.14x

🔍 Observability: Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.260s (~)	2.010s (~)	0.750s	15	1.00x
🐘 Postgres	Nitro	1.272s (~)	2.009s (~)	0.737s	15	1.01x
💻 Local	Express	1.509s (+1.3%)	2.005s (~)	0.496s	15	1.20x
💻 Local	Nitro	1.528s (-6.4% 🟢)	2.005s (-3.3%)	0.477s	15	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.437s (-14.8% 🟢)	6.644s (+43.7% 🔺)	4.207s	5	1.00x
▲ Vercel	Nitro	2.727s (-3.2%)	15.026s (+247.6% 🔺)	12.299s	3	1.12x

🔍 Observability: Express | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.326s (-1.5%)	3.009s (~)	0.683s	10	1.00x
🐘 Postgres	Nitro	2.353s (~)	3.010s (~)	0.657s	10	1.01x
💻 Local	Nitro	2.951s (-6.1% 🟢)	3.454s (-11.1% 🟢)	0.503s	9	1.27x
💻 Local	Express	2.969s (+0.5%)	3.308s (-4.2%)	0.339s	10	1.28x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.270s (-37.3% 🟢)	7.526s (+47.3% 🔺)	5.256s	4	1.00x
▲ Vercel	Nitro	2.473s (-39.0% 🟢)	6.597s (+11.4% 🔺)	4.124s	6	1.09x

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.452s (-1.0%)	4.010s (~)	0.558s	8	1.00x
🐘 Postgres	Nitro	3.464s (~)	4.010s (~)	0.546s	8	1.00x
💻 Local	Nitro	8.252s (-1.2%)	9.025s (~)	0.773s	4	2.39x
💻 Local	Express	8.332s (~)	9.024s (~)	0.691s	4	2.41x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.855s (-32.7% 🟢)	7.771s (+26.8% 🔺)	4.917s	4	1.00x
▲ Vercel	Nitro	3.648s (+3.5%)	7.809s (+41.1% 🔺)	4.161s	5	1.28x

🔍 Observability: Express | Nitro

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.252s (~)	2.008s (~)	0.755s	15	1.00x
🐘 Postgres	Nitro	1.253s (~)	2.008s (~)	0.755s	15	1.00x
💻 Local	Express	1.525s (-19.5% 🟢)	2.006s (-15.1% 🟢)	0.481s	15	1.22x
💻 Local	Nitro	1.528s (-18.1% 🟢)	2.007s (-14.2% 🟢)	0.479s	15	1.22x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.240s (-8.9% 🟢)	10.000s (+139.9% 🔺)	7.760s	4	1.00x
▲ Vercel	Express	2.256s (-12.6% 🟢)	15.382s (+253.6% 🔺)	13.126s	2	1.01x

🔍 Observability: Nitro | Express

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.333s (~)	3.010s (~)	0.677s	10	1.00x
🐘 Postgres	Nitro	2.339s (~)	3.009s (~)	0.670s	10	1.00x
💻 Local	Express	3.025s (-3.4%)	3.759s (~)	0.734s	8	1.30x
💻 Local	Nitro	3.118s (+1.7%)	4.011s (+3.2%)	0.894s	8	1.34x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.485s (-23.2% 🟢)	6.504s (+28.1% 🔺)	4.020s	5	1.00x
▲ Vercel	Express	2.540s (-20.4% 🟢)	10.130s (+111.4% 🔺)	7.590s	3	1.02x

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.455s (-1.3%)	4.011s (~)	0.556s	8	1.00x
🐘 Postgres	Nitro	3.495s (~)	4.010s (~)	0.516s	8	1.01x
💻 Local	Nitro	9.101s (~)	9.776s (-2.5%)	0.675s	4	2.63x
💻 Local	Express	9.133s (+3.8%)	9.526s (+2.7%)	0.393s	4	2.64x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.648s (-58.7% 🟢)	7.925s (-3.1%)	5.276s	5	1.00x
▲ Vercel	Nitro	2.771s (-45.6% 🟢)	8.038s (+17.9% 🔺)	5.268s	4	1.05x

🔍 Observability: Express | Nitro

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.806s (-4.0%)	1.006s (-1.7%)	0.200s	60	1.00x
🐘 Postgres	Nitro	0.861s (+5.0%)	1.023s (+1.7%)	0.162s	59	1.07x
💻 Local	Express	1.011s (+2.7%)	1.493s (+38.8% 🔺)	0.482s	41	1.25x
💻 Local	Nitro	1.013s (+3.3%)	1.506s (+37.7% 🔺)	0.493s	40	1.26x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	9.749s (-55.8% 🟢)	12.732s (-47.0% 🟢)	2.983s	5	1.00x
▲ Vercel	Express	11.495s (-39.5% 🟢)	20.624s (-3.3%)	9.128s	3	1.18x

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.924s (-2.7%)	2.099s (-7.1% 🟢)	0.175s	44	1.00x
🐘 Postgres	Nitro	2.045s (+6.1% 🔺)	2.714s (+29.2% 🔺)	0.669s	34	1.06x
💻 Local	Express	3.055s (+1.3%)	3.843s (+7.2% 🔺)	0.789s	24	1.59x
💻 Local	Nitro	3.087s (+1.7%)	3.967s (+5.5% 🔺)	0.880s	23	1.60x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	28.325s (-28.3% 🟢)	30.268s (-26.7% 🟢)	1.943s	4	1.00x
▲ Vercel	Express	28.923s (-16.2% 🟢)	32.811s (-10.9% 🟢)	3.888s	3	1.02x

🔍 Observability: Nitro | Express

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.888s (-2.6%)	4.075s (-6.7% 🟢)	0.188s	30	1.00x
🐘 Postgres	Nitro	4.150s (+1.1%)	4.971s (+8.0% 🔺)	0.821s	25	1.07x
💻 Local	Express	9.271s (+0.7%)	10.018s (~)	0.747s	12	2.38x
💻 Local	Nitro	9.535s (+2.6%)	10.019s (~)	0.484s	12	2.45x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	71.457s (-26.3% 🟢)	73.457s (-25.4% 🟢)	2.000s	2	1.00x
▲ Vercel	Express	75.091s (-42.3% 🟢)	77.249s (-41.6% 🟢)	2.158s	2	1.05x

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.278s (-1.6%)	1.007s (~)	0.729s	60	1.00x
🐘 Postgres	Nitro	0.290s (+2.4%)	1.007s (~)	0.717s	60	1.04x
💻 Local	Nitro	0.623s (+3.1%)	1.022s (~)	0.398s	59	2.24x
💻 Local	Express	0.667s (+19.1% 🔺)	1.096s (+9.1% 🔺)	0.428s	55	2.40x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.341s (-31.4% 🟢)	3.019s (-17.0% 🟢)	1.678s	20	1.00x
▲ Vercel	Nitro	1.576s (-5.1% 🟢)	3.217s (-4.0%)	1.641s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.493s (-3.2%)	1.006s (~)	0.513s	90	1.00x
🐘 Postgres	Nitro	0.515s (+3.7%)	1.007s (~)	0.492s	90	1.04x
💻 Local	Express	2.552s (+1.6%)	3.009s (~)	0.457s	30	5.17x
💻 Local	Nitro	2.675s (+5.4% 🔺)	3.010s (~)	0.335s	30	5.42x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.680s (-12.0% 🟢)	4.455s (-7.3% 🟢)	1.775s	21	1.00x
▲ Vercel	Nitro	3.150s (-2.4%)	4.792s (-0.6%)	1.643s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.773s (-5.5% 🟢)	1.007s (-1.0%)	0.234s	120	1.00x
🐘 Postgres	Nitro	0.830s (+5.0%)	1.010s (~)	0.180s	119	1.07x
💻 Local	Express	11.192s (~)	11.754s (-1.6%)	0.561s	11	14.47x
💻 Local	Nitro	11.482s (+2.6%)	12.027s (+3.1%)	0.545s	10	14.85x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.700s (-13.2% 🟢)	8.420s (-10.4% 🟢)	1.719s	15	1.00x
▲ Vercel	Express	7.695s (+3.7%)	9.527s (+3.1%)	1.833s	14	1.15x

🔍 Observability: Nitro | Express

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.199s (-3.2%)	0.999s (~)	0.001s (-43.8% 🟢)	1.010s (~)	0.811s	10	1.00x
💻 Local	Nitro	0.204s (-4.5%)	1.004s (~)	0.012s (-4.8%)	1.018s (~)	0.814s	10	1.03x
💻 Local	Express	0.220s (+10.7% 🔺)	1.004s (~)	0.012s (~)	1.018s (~)	0.798s	10	1.11x
🐘 Postgres	Nitro	0.224s (+9.2% 🔺)	0.995s (~)	0.001s (-6.7% 🟢)	1.011s (~)	0.787s	10	1.13x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.806s (-27.9% 🟢)	10.621s (+159.7% 🔺)	1.045s (+8.8% 🔺)	12.584s (+125.1% 🔺)	10.777s	10	1.00x
▲ Vercel	Nitro	1.977s (-48.4% 🟢)	6.256s (+18.6% 🔺)	1.089s (+46.8% 🔺)	11.673s (+80.1% 🔺)	9.697s	10	1.09x

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.606s (-3.8%)	1.006s (~)	0.004s (+1.3%)	1.023s (~)	0.417s	59	1.00x
🐘 Postgres	Nitro	0.636s (+2.0%)	1.007s (~)	0.004s (-5.7% 🟢)	1.021s (~)	0.385s	59	1.05x
💻 Local	Express	0.851s (+12.4% 🔺)	1.012s (-1.6%)	0.010s (+5.6% 🔺)	1.117s (+7.4% 🔺)	0.266s	54	1.40x
💻 Local	Nitro	0.965s (+15.0% 🔺)	1.012s (~)	0.010s (+8.0% 🔺)	1.229s (+10.2% 🔺)	0.265s	49	1.59x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	4.113s (-36.8% 🟢)	5.737s (-28.4% 🟢)	0.202s (-50.7% 🟢)	6.355s (-28.1% 🟢)	2.242s	10	1.00x
▲ Vercel	Nitro	4.139s (-85.9% 🟢)	5.691s (-81.5% 🟢)	0.373s (+232.9% 🔺)	6.508s (-79.5% 🟢)	2.369s	10	1.01x

🔍 Observability: Express | Nitro

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.921s (-4.2%)	1.104s (-13.6% 🟢)	0.000s (-16.4% 🟢)	1.117s (-14.5% 🟢)	0.196s	55	1.00x
🐘 Postgres	Nitro	0.961s (-0.8%)	1.266s (+1.5%)	0.000s (+200.0% 🔺)	1.279s (+1.7%)	0.318s	48	1.04x
💻 Local	Nitro	1.212s (-0.9%)	2.019s (~)	0.000s (-33.3% 🟢)	2.021s (~)	0.809s	30	1.32x
💻 Local	Express	1.220s (~)	2.021s (~)	0.001s (+60.0% 🔺)	2.023s (~)	0.804s	30	1.32x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.894s (-22.6% 🟢)	4.461s (-12.6% 🟢)	0.000s (-100.0% 🟢)	4.890s (-11.6% 🟢)	1.996s	13	1.00x
▲ Vercel	Nitro	3.033s (-0.6%)	4.632s (+5.5% 🔺)	0.000s (-100.0% 🟢)	5.075s (+5.5% 🔺)	2.042s	12	1.05x

🔍 Observability: Express | Nitro

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.718s (-3.1%)	2.143s (-1.6%)	0.000s (+Infinity% 🔺)	2.153s (-2.1%)	0.435s	28	1.00x
🐘 Postgres	Nitro	1.731s (-3.4%)	2.070s (-3.3%)	0.000s (-3.4%)	2.078s (-4.4%)	0.347s	29	1.01x
💻 Local	Nitro	2.895s (-14.5% 🟢)	3.190s (-20.9% 🟢)	0.001s (+18.4% 🔺)	3.192s (-20.9% 🟢)	0.297s	19	1.69x
💻 Local	Express	2.949s (-14.9% 🟢)	3.243s (-19.6% 🟢)	0.001s (+18.4% 🔺)	3.246s (-19.6% 🟢)	0.297s	19	1.72x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.931s (-14.3% 🟢)	5.232s (-13.1% 🟢)	0.000s (NaN%)	5.658s (-12.4% 🟢)	1.727s	11	1.00x
▲ Vercel	Nitro	4.090s (~)	5.563s (+3.5%)	0.000s (-100.0% 🟢)	5.990s (+3.4%)	1.900s	11	1.04x

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Express	11/21
🐘 Postgres	Express	21/21
▲ Vercel	Express	14/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Nitro	🐘 Postgres	17/21

Column Definitions

Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
Wall Time: Total testbench time (trigger workflow + poll for result)
Overhead: Testbench overhead (Wall Time - Workflow Time)
Samples: Number of benchmark iterations run
vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

💻 Local: In-memory filesystem world (local development)
🐘 Postgres: PostgreSQL database world (local development)
▲ Vercel: Vercel production/preview deployment
🌐 Turso: Community world (local development)
🌐 MongoDB: Community world (local development)
🌐 Redis: Community world (local development)
🌐 Jazz: Community world (local development)

📋 View full workflow run

github-actions · 2026-05-04T03:42:18Z

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Skipped	Total
✅ ▲ Vercel Production	1011	67	1078
✅ 💻 Local Development	1090	86	1176
✅ 📦 Local Production	1090	86	1176
✅ 🐘 Local Postgres	1090	86	1176
✅ 🪟 Windows	98	0	98
✅ 📋 Other	552	36	588
Total	4931	361	5292

Details by Category

✅ ▲ Vercel Production

App	Passed	Skipped
✅ astro	91	7
✅ example	91	7
✅ express	91	7
✅ fastify	91	7
✅ hono	91	7
✅ nextjs-turbopack	96	2
✅ nextjs-webpack	96	2
✅ nitro	91	7
✅ nuxt	91	7
✅ sveltekit	91	7
✅ vite	91	7

✅ 💻 Local Development

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 📦 Local Production

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🐘 Local Postgres

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	98	0	0

✅ 📋 Other

App	Passed	Skipped
✅ e2e-local-dev-nest-stable	92	6
✅ e2e-local-dev-tanstack-start-stable	92	6
✅ e2e-local-postgres-nest-stable	92	6
✅ e2e-local-postgres-tanstack-start-stable	92	6
✅ e2e-local-prod-nest-stable	92	6
✅ e2e-local-prod-tanstack-start-stable	92	6

📋 View full workflow run

pranaygp · 2026-05-04T03:53:49Z

 "extends": ["//"],
 "tasks": {
 "build": {
+ "env": ["WORKFLOW_PUBLIC_MANIFEST"],


we should probably add this to all our workbenches btw 🤔

I think it's in the main turbo config and thus redundant

…lier-errors-followups * origin-https/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…ignal * origin/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…1914) * [workbench] Add TanStack Start workbench and tests (#1875) (cherry picked from commit 8202663) * Fix pnpm type issue after tanstack PR (#1907) (cherry picked from commit a7071bf)

VaguelySerious · 2026-05-04T03:42:07Z

No description provided.

Signed-off-by: Peter Wielander <mittgfu@gmail.com>

changeset-bot · 2026-05-04T03:42:13Z

⚠️ No Changeset found

Latest commit: abc479a

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vercel · 2026-05-04T03:42:14Z

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 4, 2026 3:45am
example-nextjs-workflow-webpack	Ready	Preview, Comment	May 4, 2026 3:45am
example-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-astro-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
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workbench-nuxt-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-sveltekit-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-tanstack-start-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
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workflow-web	Ready	Preview, Comment	May 4, 2026 3:45am

github-actions · 2026-05-04T03:42:16Z

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.043s (-2.0%)	1.005s (~)	0.962s	10	1.00x
💻 Local	Nitro	0.044s (+2.1%)	1.006s (~)	0.962s	10	1.01x
🐘 Postgres	Express	0.058s (+0.7%)	1.011s (~)	0.952s	10	1.35x
🐘 Postgres	Nitro	0.059s (-37.5% 🟢)	1.011s (-3.1%)	0.951s	10	1.37x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.238s (+1.0%)	5.938s (+178.0% 🔺)	5.700s	10	1.00x
▲ Vercel	Nitro	0.251s (-38.8% 🟢)	4.275s (+70.3% 🔺)	4.024s	10	1.05x

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.127s (~)	2.006s (~)	0.879s	10	1.00x
💻 Local	Nitro	1.128s (~)	2.006s (~)	0.878s	10	1.00x
🐘 Postgres	Express	1.138s (-0.7%)	2.010s (~)	0.872s	10	1.01x
🐘 Postgres	Nitro	1.149s (+0.8%)	2.012s (~)	0.863s	10	1.02x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.949s (+3.9%)	8.666s (+127.6% 🔺)	6.717s	10	1.00x
▲ Vercel	Nitro	2.838s (-27.1% 🟢)	6.996s (+18.4% 🔺)	4.158s	10	1.46x

🔍 Observability: Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	10.888s (-0.7%)	11.018s (~)	0.131s	3	1.00x
🐘 Postgres	Nitro	10.929s (+0.5%)	11.024s (~)	0.094s	3	1.00x
💻 Local	Nitro	10.934s (~)	11.022s (~)	0.088s	3	1.00x
💻 Local	Express	10.955s (~)	11.024s (~)	0.069s	3	1.01x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	20.805s (+22.5% 🔺)	22.605s (+12.9% 🔺)	1.800s	2	1.00x
▲ Vercel	Nitro	22.108s (-6.8% 🟢)	42.555s (+69.4% 🔺)	20.447s	1	1.06x

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.570s (~)	15.022s (~)	0.452s	4	1.00x
🐘 Postgres	Nitro	14.658s (~)	15.021s (~)	0.363s	4	1.01x
💻 Local	Nitro	15.011s (~)	15.530s (-3.1%)	0.519s	4	1.03x
💻 Local	Express	15.025s (~)	15.280s (+1.7%)	0.256s	4	1.03x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	31.087s (-38.2% 🟢)	38.884s (-26.0% 🟢)	7.798s	2	1.00x
▲ Vercel	Nitro	33.493s (-48.0% 🟢)	42.737s (-35.9% 🟢)	9.244s	2	1.08x

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.044s (~)	14.590s (~)	0.546s	7	1.00x
🐘 Postgres	Nitro	14.270s (+2.2%)	15.024s (+5.0%)	0.755s	6	1.02x
💻 Local	Nitro	16.756s (~)	17.031s (~)	0.274s	6	1.19x
💻 Local	Express	16.975s (+2.2%)	17.364s (+2.0%)	0.389s	6	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	55.634s (-86.8% 🟢)	67.104s (-84.2% 🟢)	11.470s	2	1.00x
▲ Vercel	Express	63.380s (-47.7% 🟢)	64.978s (-47.5% 🟢)	1.598s	2	1.14x

🔍 Observability: Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.260s (~)	2.010s (~)	0.750s	15	1.00x
🐘 Postgres	Nitro	1.272s (~)	2.009s (~)	0.737s	15	1.01x
💻 Local	Express	1.509s (+1.3%)	2.005s (~)	0.496s	15	1.20x
💻 Local	Nitro	1.528s (-6.4% 🟢)	2.005s (-3.3%)	0.477s	15	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.437s (-14.8% 🟢)	6.644s (+43.7% 🔺)	4.207s	5	1.00x
▲ Vercel	Nitro	2.727s (-3.2%)	15.026s (+247.6% 🔺)	12.299s	3	1.12x

🔍 Observability: Express | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.326s (-1.5%)	3.009s (~)	0.683s	10	1.00x
🐘 Postgres	Nitro	2.353s (~)	3.010s (~)	0.657s	10	1.01x
💻 Local	Nitro	2.951s (-6.1% 🟢)	3.454s (-11.1% 🟢)	0.503s	9	1.27x
💻 Local	Express	2.969s (+0.5%)	3.308s (-4.2%)	0.339s	10	1.28x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.270s (-37.3% 🟢)	7.526s (+47.3% 🔺)	5.256s	4	1.00x
▲ Vercel	Nitro	2.473s (-39.0% 🟢)	6.597s (+11.4% 🔺)	4.124s	6	1.09x

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.452s (-1.0%)	4.010s (~)	0.558s	8	1.00x
🐘 Postgres	Nitro	3.464s (~)	4.010s (~)	0.546s	8	1.00x
💻 Local	Nitro	8.252s (-1.2%)	9.025s (~)	0.773s	4	2.39x
💻 Local	Express	8.332s (~)	9.024s (~)	0.691s	4	2.41x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.855s (-32.7% 🟢)	7.771s (+26.8% 🔺)	4.917s	4	1.00x
▲ Vercel	Nitro	3.648s (+3.5%)	7.809s (+41.1% 🔺)	4.161s	5	1.28x

🔍 Observability: Express | Nitro

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.252s (~)	2.008s (~)	0.755s	15	1.00x
🐘 Postgres	Nitro	1.253s (~)	2.008s (~)	0.755s	15	1.00x
💻 Local	Express	1.525s (-19.5% 🟢)	2.006s (-15.1% 🟢)	0.481s	15	1.22x
💻 Local	Nitro	1.528s (-18.1% 🟢)	2.007s (-14.2% 🟢)	0.479s	15	1.22x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.240s (-8.9% 🟢)	10.000s (+139.9% 🔺)	7.760s	4	1.00x
▲ Vercel	Express	2.256s (-12.6% 🟢)	15.382s (+253.6% 🔺)	13.126s	2	1.01x

🔍 Observability: Nitro | Express

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.333s (~)	3.010s (~)	0.677s	10	1.00x
🐘 Postgres	Nitro	2.339s (~)	3.009s (~)	0.670s	10	1.00x
💻 Local	Express	3.025s (-3.4%)	3.759s (~)	0.734s	8	1.30x
💻 Local	Nitro	3.118s (+1.7%)	4.011s (+3.2%)	0.894s	8	1.34x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.485s (-23.2% 🟢)	6.504s (+28.1% 🔺)	4.020s	5	1.00x
▲ Vercel	Express	2.540s (-20.4% 🟢)	10.130s (+111.4% 🔺)	7.590s	3	1.02x

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.455s (-1.3%)	4.011s (~)	0.556s	8	1.00x
🐘 Postgres	Nitro	3.495s (~)	4.010s (~)	0.516s	8	1.01x
💻 Local	Nitro	9.101s (~)	9.776s (-2.5%)	0.675s	4	2.63x
💻 Local	Express	9.133s (+3.8%)	9.526s (+2.7%)	0.393s	4	2.64x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.648s (-58.7% 🟢)	7.925s (-3.1%)	5.276s	5	1.00x
▲ Vercel	Nitro	2.771s (-45.6% 🟢)	8.038s (+17.9% 🔺)	5.268s	4	1.05x

🔍 Observability: Express | Nitro

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.806s (-4.0%)	1.006s (-1.7%)	0.200s	60	1.00x
🐘 Postgres	Nitro	0.861s (+5.0%)	1.023s (+1.7%)	0.162s	59	1.07x
💻 Local	Express	1.011s (+2.7%)	1.493s (+38.8% 🔺)	0.482s	41	1.25x
💻 Local	Nitro	1.013s (+3.3%)	1.506s (+37.7% 🔺)	0.493s	40	1.26x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	9.749s (-55.8% 🟢)	12.732s (-47.0% 🟢)	2.983s	5	1.00x
▲ Vercel	Express	11.495s (-39.5% 🟢)	20.624s (-3.3%)	9.128s	3	1.18x

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.924s (-2.7%)	2.099s (-7.1% 🟢)	0.175s	44	1.00x
🐘 Postgres	Nitro	2.045s (+6.1% 🔺)	2.714s (+29.2% 🔺)	0.669s	34	1.06x
💻 Local	Express	3.055s (+1.3%)	3.843s (+7.2% 🔺)	0.789s	24	1.59x
💻 Local	Nitro	3.087s (+1.7%)	3.967s (+5.5% 🔺)	0.880s	23	1.60x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	28.325s (-28.3% 🟢)	30.268s (-26.7% 🟢)	1.943s	4	1.00x
▲ Vercel	Express	28.923s (-16.2% 🟢)	32.811s (-10.9% 🟢)	3.888s	3	1.02x

🔍 Observability: Nitro | Express

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.888s (-2.6%)	4.075s (-6.7% 🟢)	0.188s	30	1.00x
🐘 Postgres	Nitro	4.150s (+1.1%)	4.971s (+8.0% 🔺)	0.821s	25	1.07x
💻 Local	Express	9.271s (+0.7%)	10.018s (~)	0.747s	12	2.38x
💻 Local	Nitro	9.535s (+2.6%)	10.019s (~)	0.484s	12	2.45x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	71.457s (-26.3% 🟢)	73.457s (-25.4% 🟢)	2.000s	2	1.00x
▲ Vercel	Express	75.091s (-42.3% 🟢)	77.249s (-41.6% 🟢)	2.158s	2	1.05x

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.278s (-1.6%)	1.007s (~)	0.729s	60	1.00x
🐘 Postgres	Nitro	0.290s (+2.4%)	1.007s (~)	0.717s	60	1.04x
💻 Local	Nitro	0.623s (+3.1%)	1.022s (~)	0.398s	59	2.24x
💻 Local	Express	0.667s (+19.1% 🔺)	1.096s (+9.1% 🔺)	0.428s	55	2.40x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.341s (-31.4% 🟢)	3.019s (-17.0% 🟢)	1.678s	20	1.00x
▲ Vercel	Nitro	1.576s (-5.1% 🟢)	3.217s (-4.0%)	1.641s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.493s (-3.2%)	1.006s (~)	0.513s	90	1.00x
🐘 Postgres	Nitro	0.515s (+3.7%)	1.007s (~)	0.492s	90	1.04x
💻 Local	Express	2.552s (+1.6%)	3.009s (~)	0.457s	30	5.17x
💻 Local	Nitro	2.675s (+5.4% 🔺)	3.010s (~)	0.335s	30	5.42x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.680s (-12.0% 🟢)	4.455s (-7.3% 🟢)	1.775s	21	1.00x
▲ Vercel	Nitro	3.150s (-2.4%)	4.792s (-0.6%)	1.643s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.773s (-5.5% 🟢)	1.007s (-1.0%)	0.234s	120	1.00x
🐘 Postgres	Nitro	0.830s (+5.0%)	1.010s (~)	0.180s	119	1.07x
💻 Local	Express	11.192s (~)	11.754s (-1.6%)	0.561s	11	14.47x
💻 Local	Nitro	11.482s (+2.6%)	12.027s (+3.1%)	0.545s	10	14.85x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.700s (-13.2% 🟢)	8.420s (-10.4% 🟢)	1.719s	15	1.00x
▲ Vercel	Express	7.695s (+3.7%)	9.527s (+3.1%)	1.833s	14	1.15x

🔍 Observability: Nitro | Express

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.199s (-3.2%)	0.999s (~)	0.001s (-43.8% 🟢)	1.010s (~)	0.811s	10	1.00x
💻 Local	Nitro	0.204s (-4.5%)	1.004s (~)	0.012s (-4.8%)	1.018s (~)	0.814s	10	1.03x
💻 Local	Express	0.220s (+10.7% 🔺)	1.004s (~)	0.012s (~)	1.018s (~)	0.798s	10	1.11x
🐘 Postgres	Nitro	0.224s (+9.2% 🔺)	0.995s (~)	0.001s (-6.7% 🟢)	1.011s (~)	0.787s	10	1.13x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.806s (-27.9% 🟢)	10.621s (+159.7% 🔺)	1.045s (+8.8% 🔺)	12.584s (+125.1% 🔺)	10.777s	10	1.00x
▲ Vercel	Nitro	1.977s (-48.4% 🟢)	6.256s (+18.6% 🔺)	1.089s (+46.8% 🔺)	11.673s (+80.1% 🔺)	9.697s	10	1.09x

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.606s (-3.8%)	1.006s (~)	0.004s (+1.3%)	1.023s (~)	0.417s	59	1.00x
🐘 Postgres	Nitro	0.636s (+2.0%)	1.007s (~)	0.004s (-5.7% 🟢)	1.021s (~)	0.385s	59	1.05x
💻 Local	Express	0.851s (+12.4% 🔺)	1.012s (-1.6%)	0.010s (+5.6% 🔺)	1.117s (+7.4% 🔺)	0.266s	54	1.40x
💻 Local	Nitro	0.965s (+15.0% 🔺)	1.012s (~)	0.010s (+8.0% 🔺)	1.229s (+10.2% 🔺)	0.265s	49	1.59x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	4.113s (-36.8% 🟢)	5.737s (-28.4% 🟢)	0.202s (-50.7% 🟢)	6.355s (-28.1% 🟢)	2.242s	10	1.00x
▲ Vercel	Nitro	4.139s (-85.9% 🟢)	5.691s (-81.5% 🟢)	0.373s (+232.9% 🔺)	6.508s (-79.5% 🟢)	2.369s	10	1.01x

🔍 Observability: Express | Nitro

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.921s (-4.2%)	1.104s (-13.6% 🟢)	0.000s (-16.4% 🟢)	1.117s (-14.5% 🟢)	0.196s	55	1.00x
🐘 Postgres	Nitro	0.961s (-0.8%)	1.266s (+1.5%)	0.000s (+200.0% 🔺)	1.279s (+1.7%)	0.318s	48	1.04x
💻 Local	Nitro	1.212s (-0.9%)	2.019s (~)	0.000s (-33.3% 🟢)	2.021s (~)	0.809s	30	1.32x
💻 Local	Express	1.220s (~)	2.021s (~)	0.001s (+60.0% 🔺)	2.023s (~)	0.804s	30	1.32x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.894s (-22.6% 🟢)	4.461s (-12.6% 🟢)	0.000s (-100.0% 🟢)	4.890s (-11.6% 🟢)	1.996s	13	1.00x
▲ Vercel	Nitro	3.033s (-0.6%)	4.632s (+5.5% 🔺)	0.000s (-100.0% 🟢)	5.075s (+5.5% 🔺)	2.042s	12	1.05x

🔍 Observability: Express | Nitro

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.718s (-3.1%)	2.143s (-1.6%)	0.000s (+Infinity% 🔺)	2.153s (-2.1%)	0.435s	28	1.00x
🐘 Postgres	Nitro	1.731s (-3.4%)	2.070s (-3.3%)	0.000s (-3.4%)	2.078s (-4.4%)	0.347s	29	1.01x
💻 Local	Nitro	2.895s (-14.5% 🟢)	3.190s (-20.9% 🟢)	0.001s (+18.4% 🔺)	3.192s (-20.9% 🟢)	0.297s	19	1.69x
💻 Local	Express	2.949s (-14.9% 🟢)	3.243s (-19.6% 🟢)	0.001s (+18.4% 🔺)	3.246s (-19.6% 🟢)	0.297s	19	1.72x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.931s (-14.3% 🟢)	5.232s (-13.1% 🟢)	0.000s (NaN%)	5.658s (-12.4% 🟢)	1.727s	11	1.00x
▲ Vercel	Nitro	4.090s (~)	5.563s (+3.5%)	0.000s (-100.0% 🟢)	5.990s (+3.4%)	1.900s	11	1.04x

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Express	11/21
🐘 Postgres	Express	21/21
▲ Vercel	Express	14/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Nitro	🐘 Postgres	17/21

Column Definitions

Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
Wall Time: Total testbench time (trigger workflow + poll for result)
Overhead: Testbench overhead (Wall Time - Workflow Time)
Samples: Number of benchmark iterations run
vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

💻 Local: In-memory filesystem world (local development)
🐘 Postgres: PostgreSQL database world (local development)
▲ Vercel: Vercel production/preview deployment
🌐 Turso: Community world (local development)
🌐 MongoDB: Community world (local development)
🌐 Redis: Community world (local development)
🌐 Jazz: Community world (local development)

📋 View full workflow run

github-actions · 2026-05-04T03:42:18Z

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Skipped	Total
✅ ▲ Vercel Production	1011	67	1078
✅ 💻 Local Development	1090	86	1176
✅ 📦 Local Production	1090	86	1176
✅ 🐘 Local Postgres	1090	86	1176
✅ 🪟 Windows	98	0	98
✅ 📋 Other	552	36	588
Total	4931	361	5292

Details by Category

✅ ▲ Vercel Production

App	Passed	Skipped
✅ astro	91	7
✅ example	91	7
✅ express	91	7
✅ fastify	91	7
✅ hono	91	7
✅ nextjs-turbopack	96	2
✅ nextjs-webpack	96	2
✅ nitro	91	7
✅ nuxt	91	7
✅ sveltekit	91	7
✅ vite	91	7

✅ 💻 Local Development

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 📦 Local Production

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🐘 Local Postgres

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	98	0	0

✅ 📋 Other

App	Passed	Skipped
✅ e2e-local-dev-nest-stable	92	6
✅ e2e-local-dev-tanstack-start-stable	92	6
✅ e2e-local-postgres-nest-stable	92	6
✅ e2e-local-postgres-tanstack-start-stable	92	6
✅ e2e-local-prod-nest-stable	92	6
✅ e2e-local-prod-tanstack-start-stable	92	6

📋 View full workflow run

pranaygp · 2026-05-04T03:53:49Z

 "extends": ["//"],
 "tasks": {
 "build": {
+ "env": ["WORKFLOW_PUBLIC_MANIFEST"],


we should probably add this to all our workbenches btw 🤔

I think it's in the main turbo config and thus redundant

…lier-errors-followups * origin-https/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…ignal * origin/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…1914) * [workbench] Add TanStack Start workbench and tests (#1875) (cherry picked from commit 8202663) * Fix pnpm type issue after tanstack PR (#1907) (cherry picked from commit a7071bf)

VaguelySerious · 2026-05-04T03:42:07Z

No description provided.

Signed-off-by: Peter Wielander <mittgfu@gmail.com>

changeset-bot · 2026-05-04T03:42:13Z

⚠️ No Changeset found

Latest commit: abc479a

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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vercel · 2026-05-04T03:42:14Z

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 4, 2026 3:45am
example-nextjs-workflow-webpack	Ready	Preview, Comment	May 4, 2026 3:45am
example-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-astro-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-express-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-fastify-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-hono-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-nitro-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-nuxt-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-sveltekit-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-tanstack-start-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-vite-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-swc-playground	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-tarballs	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-web	Ready	Preview, Comment	May 4, 2026 3:45am

github-actions · 2026-05-04T03:42:16Z

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.043s (-2.0%)	1.005s (~)	0.962s	10	1.00x
💻 Local	Nitro	0.044s (+2.1%)	1.006s (~)	0.962s	10	1.01x
🐘 Postgres	Express	0.058s (+0.7%)	1.011s (~)	0.952s	10	1.35x
🐘 Postgres	Nitro	0.059s (-37.5% 🟢)	1.011s (-3.1%)	0.951s	10	1.37x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.238s (+1.0%)	5.938s (+178.0% 🔺)	5.700s	10	1.00x
▲ Vercel	Nitro	0.251s (-38.8% 🟢)	4.275s (+70.3% 🔺)	4.024s	10	1.05x

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.127s (~)	2.006s (~)	0.879s	10	1.00x
💻 Local	Nitro	1.128s (~)	2.006s (~)	0.878s	10	1.00x
🐘 Postgres	Express	1.138s (-0.7%)	2.010s (~)	0.872s	10	1.01x
🐘 Postgres	Nitro	1.149s (+0.8%)	2.012s (~)	0.863s	10	1.02x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.949s (+3.9%)	8.666s (+127.6% 🔺)	6.717s	10	1.00x
▲ Vercel	Nitro	2.838s (-27.1% 🟢)	6.996s (+18.4% 🔺)	4.158s	10	1.46x

🔍 Observability: Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	10.888s (-0.7%)	11.018s (~)	0.131s	3	1.00x
🐘 Postgres	Nitro	10.929s (+0.5%)	11.024s (~)	0.094s	3	1.00x
💻 Local	Nitro	10.934s (~)	11.022s (~)	0.088s	3	1.00x
💻 Local	Express	10.955s (~)	11.024s (~)	0.069s	3	1.01x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	20.805s (+22.5% 🔺)	22.605s (+12.9% 🔺)	1.800s	2	1.00x
▲ Vercel	Nitro	22.108s (-6.8% 🟢)	42.555s (+69.4% 🔺)	20.447s	1	1.06x

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.570s (~)	15.022s (~)	0.452s	4	1.00x
🐘 Postgres	Nitro	14.658s (~)	15.021s (~)	0.363s	4	1.01x
💻 Local	Nitro	15.011s (~)	15.530s (-3.1%)	0.519s	4	1.03x
💻 Local	Express	15.025s (~)	15.280s (+1.7%)	0.256s	4	1.03x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	31.087s (-38.2% 🟢)	38.884s (-26.0% 🟢)	7.798s	2	1.00x
▲ Vercel	Nitro	33.493s (-48.0% 🟢)	42.737s (-35.9% 🟢)	9.244s	2	1.08x

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.044s (~)	14.590s (~)	0.546s	7	1.00x
🐘 Postgres	Nitro	14.270s (+2.2%)	15.024s (+5.0%)	0.755s	6	1.02x
💻 Local	Nitro	16.756s (~)	17.031s (~)	0.274s	6	1.19x
💻 Local	Express	16.975s (+2.2%)	17.364s (+2.0%)	0.389s	6	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	55.634s (-86.8% 🟢)	67.104s (-84.2% 🟢)	11.470s	2	1.00x
▲ Vercel	Express	63.380s (-47.7% 🟢)	64.978s (-47.5% 🟢)	1.598s	2	1.14x

🔍 Observability: Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.260s (~)	2.010s (~)	0.750s	15	1.00x
🐘 Postgres	Nitro	1.272s (~)	2.009s (~)	0.737s	15	1.01x
💻 Local	Express	1.509s (+1.3%)	2.005s (~)	0.496s	15	1.20x
💻 Local	Nitro	1.528s (-6.4% 🟢)	2.005s (-3.3%)	0.477s	15	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.437s (-14.8% 🟢)	6.644s (+43.7% 🔺)	4.207s	5	1.00x
▲ Vercel	Nitro	2.727s (-3.2%)	15.026s (+247.6% 🔺)	12.299s	3	1.12x

🔍 Observability: Express | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.326s (-1.5%)	3.009s (~)	0.683s	10	1.00x
🐘 Postgres	Nitro	2.353s (~)	3.010s (~)	0.657s	10	1.01x
💻 Local	Nitro	2.951s (-6.1% 🟢)	3.454s (-11.1% 🟢)	0.503s	9	1.27x
💻 Local	Express	2.969s (+0.5%)	3.308s (-4.2%)	0.339s	10	1.28x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.270s (-37.3% 🟢)	7.526s (+47.3% 🔺)	5.256s	4	1.00x
▲ Vercel	Nitro	2.473s (-39.0% 🟢)	6.597s (+11.4% 🔺)	4.124s	6	1.09x

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.452s (-1.0%)	4.010s (~)	0.558s	8	1.00x
🐘 Postgres	Nitro	3.464s (~)	4.010s (~)	0.546s	8	1.00x
💻 Local	Nitro	8.252s (-1.2%)	9.025s (~)	0.773s	4	2.39x
💻 Local	Express	8.332s (~)	9.024s (~)	0.691s	4	2.41x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.855s (-32.7% 🟢)	7.771s (+26.8% 🔺)	4.917s	4	1.00x
▲ Vercel	Nitro	3.648s (+3.5%)	7.809s (+41.1% 🔺)	4.161s	5	1.28x

🔍 Observability: Express | Nitro

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.252s (~)	2.008s (~)	0.755s	15	1.00x
🐘 Postgres	Nitro	1.253s (~)	2.008s (~)	0.755s	15	1.00x
💻 Local	Express	1.525s (-19.5% 🟢)	2.006s (-15.1% 🟢)	0.481s	15	1.22x
💻 Local	Nitro	1.528s (-18.1% 🟢)	2.007s (-14.2% 🟢)	0.479s	15	1.22x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.240s (-8.9% 🟢)	10.000s (+139.9% 🔺)	7.760s	4	1.00x
▲ Vercel	Express	2.256s (-12.6% 🟢)	15.382s (+253.6% 🔺)	13.126s	2	1.01x

🔍 Observability: Nitro | Express

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.333s (~)	3.010s (~)	0.677s	10	1.00x
🐘 Postgres	Nitro	2.339s (~)	3.009s (~)	0.670s	10	1.00x
💻 Local	Express	3.025s (-3.4%)	3.759s (~)	0.734s	8	1.30x
💻 Local	Nitro	3.118s (+1.7%)	4.011s (+3.2%)	0.894s	8	1.34x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.485s (-23.2% 🟢)	6.504s (+28.1% 🔺)	4.020s	5	1.00x
▲ Vercel	Express	2.540s (-20.4% 🟢)	10.130s (+111.4% 🔺)	7.590s	3	1.02x

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.455s (-1.3%)	4.011s (~)	0.556s	8	1.00x
🐘 Postgres	Nitro	3.495s (~)	4.010s (~)	0.516s	8	1.01x
💻 Local	Nitro	9.101s (~)	9.776s (-2.5%)	0.675s	4	2.63x
💻 Local	Express	9.133s (+3.8%)	9.526s (+2.7%)	0.393s	4	2.64x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.648s (-58.7% 🟢)	7.925s (-3.1%)	5.276s	5	1.00x
▲ Vercel	Nitro	2.771s (-45.6% 🟢)	8.038s (+17.9% 🔺)	5.268s	4	1.05x

🔍 Observability: Express | Nitro

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.806s (-4.0%)	1.006s (-1.7%)	0.200s	60	1.00x
🐘 Postgres	Nitro	0.861s (+5.0%)	1.023s (+1.7%)	0.162s	59	1.07x
💻 Local	Express	1.011s (+2.7%)	1.493s (+38.8% 🔺)	0.482s	41	1.25x
💻 Local	Nitro	1.013s (+3.3%)	1.506s (+37.7% 🔺)	0.493s	40	1.26x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	9.749s (-55.8% 🟢)	12.732s (-47.0% 🟢)	2.983s	5	1.00x
▲ Vercel	Express	11.495s (-39.5% 🟢)	20.624s (-3.3%)	9.128s	3	1.18x

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.924s (-2.7%)	2.099s (-7.1% 🟢)	0.175s	44	1.00x
🐘 Postgres	Nitro	2.045s (+6.1% 🔺)	2.714s (+29.2% 🔺)	0.669s	34	1.06x
💻 Local	Express	3.055s (+1.3%)	3.843s (+7.2% 🔺)	0.789s	24	1.59x
💻 Local	Nitro	3.087s (+1.7%)	3.967s (+5.5% 🔺)	0.880s	23	1.60x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	28.325s (-28.3% 🟢)	30.268s (-26.7% 🟢)	1.943s	4	1.00x
▲ Vercel	Express	28.923s (-16.2% 🟢)	32.811s (-10.9% 🟢)	3.888s	3	1.02x

🔍 Observability: Nitro | Express

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.888s (-2.6%)	4.075s (-6.7% 🟢)	0.188s	30	1.00x
🐘 Postgres	Nitro	4.150s (+1.1%)	4.971s (+8.0% 🔺)	0.821s	25	1.07x
💻 Local	Express	9.271s (+0.7%)	10.018s (~)	0.747s	12	2.38x
💻 Local	Nitro	9.535s (+2.6%)	10.019s (~)	0.484s	12	2.45x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	71.457s (-26.3% 🟢)	73.457s (-25.4% 🟢)	2.000s	2	1.00x
▲ Vercel	Express	75.091s (-42.3% 🟢)	77.249s (-41.6% 🟢)	2.158s	2	1.05x

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.278s (-1.6%)	1.007s (~)	0.729s	60	1.00x
🐘 Postgres	Nitro	0.290s (+2.4%)	1.007s (~)	0.717s	60	1.04x
💻 Local	Nitro	0.623s (+3.1%)	1.022s (~)	0.398s	59	2.24x
💻 Local	Express	0.667s (+19.1% 🔺)	1.096s (+9.1% 🔺)	0.428s	55	2.40x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.341s (-31.4% 🟢)	3.019s (-17.0% 🟢)	1.678s	20	1.00x
▲ Vercel	Nitro	1.576s (-5.1% 🟢)	3.217s (-4.0%)	1.641s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.493s (-3.2%)	1.006s (~)	0.513s	90	1.00x
🐘 Postgres	Nitro	0.515s (+3.7%)	1.007s (~)	0.492s	90	1.04x
💻 Local	Express	2.552s (+1.6%)	3.009s (~)	0.457s	30	5.17x
💻 Local	Nitro	2.675s (+5.4% 🔺)	3.010s (~)	0.335s	30	5.42x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.680s (-12.0% 🟢)	4.455s (-7.3% 🟢)	1.775s	21	1.00x
▲ Vercel	Nitro	3.150s (-2.4%)	4.792s (-0.6%)	1.643s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.773s (-5.5% 🟢)	1.007s (-1.0%)	0.234s	120	1.00x
🐘 Postgres	Nitro	0.830s (+5.0%)	1.010s (~)	0.180s	119	1.07x
💻 Local	Express	11.192s (~)	11.754s (-1.6%)	0.561s	11	14.47x
💻 Local	Nitro	11.482s (+2.6%)	12.027s (+3.1%)	0.545s	10	14.85x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.700s (-13.2% 🟢)	8.420s (-10.4% 🟢)	1.719s	15	1.00x
▲ Vercel	Express	7.695s (+3.7%)	9.527s (+3.1%)	1.833s	14	1.15x

🔍 Observability: Nitro | Express

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.199s (-3.2%)	0.999s (~)	0.001s (-43.8% 🟢)	1.010s (~)	0.811s	10	1.00x
💻 Local	Nitro	0.204s (-4.5%)	1.004s (~)	0.012s (-4.8%)	1.018s (~)	0.814s	10	1.03x
💻 Local	Express	0.220s (+10.7% 🔺)	1.004s (~)	0.012s (~)	1.018s (~)	0.798s	10	1.11x
🐘 Postgres	Nitro	0.224s (+9.2% 🔺)	0.995s (~)	0.001s (-6.7% 🟢)	1.011s (~)	0.787s	10	1.13x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.806s (-27.9% 🟢)	10.621s (+159.7% 🔺)	1.045s (+8.8% 🔺)	12.584s (+125.1% 🔺)	10.777s	10	1.00x
▲ Vercel	Nitro	1.977s (-48.4% 🟢)	6.256s (+18.6% 🔺)	1.089s (+46.8% 🔺)	11.673s (+80.1% 🔺)	9.697s	10	1.09x

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.606s (-3.8%)	1.006s (~)	0.004s (+1.3%)	1.023s (~)	0.417s	59	1.00x
🐘 Postgres	Nitro	0.636s (+2.0%)	1.007s (~)	0.004s (-5.7% 🟢)	1.021s (~)	0.385s	59	1.05x
💻 Local	Express	0.851s (+12.4% 🔺)	1.012s (-1.6%)	0.010s (+5.6% 🔺)	1.117s (+7.4% 🔺)	0.266s	54	1.40x
💻 Local	Nitro	0.965s (+15.0% 🔺)	1.012s (~)	0.010s (+8.0% 🔺)	1.229s (+10.2% 🔺)	0.265s	49	1.59x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	4.113s (-36.8% 🟢)	5.737s (-28.4% 🟢)	0.202s (-50.7% 🟢)	6.355s (-28.1% 🟢)	2.242s	10	1.00x
▲ Vercel	Nitro	4.139s (-85.9% 🟢)	5.691s (-81.5% 🟢)	0.373s (+232.9% 🔺)	6.508s (-79.5% 🟢)	2.369s	10	1.01x

🔍 Observability: Express | Nitro

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.921s (-4.2%)	1.104s (-13.6% 🟢)	0.000s (-16.4% 🟢)	1.117s (-14.5% 🟢)	0.196s	55	1.00x
🐘 Postgres	Nitro	0.961s (-0.8%)	1.266s (+1.5%)	0.000s (+200.0% 🔺)	1.279s (+1.7%)	0.318s	48	1.04x
💻 Local	Nitro	1.212s (-0.9%)	2.019s (~)	0.000s (-33.3% 🟢)	2.021s (~)	0.809s	30	1.32x
💻 Local	Express	1.220s (~)	2.021s (~)	0.001s (+60.0% 🔺)	2.023s (~)	0.804s	30	1.32x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.894s (-22.6% 🟢)	4.461s (-12.6% 🟢)	0.000s (-100.0% 🟢)	4.890s (-11.6% 🟢)	1.996s	13	1.00x
▲ Vercel	Nitro	3.033s (-0.6%)	4.632s (+5.5% 🔺)	0.000s (-100.0% 🟢)	5.075s (+5.5% 🔺)	2.042s	12	1.05x

🔍 Observability: Express | Nitro

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.718s (-3.1%)	2.143s (-1.6%)	0.000s (+Infinity% 🔺)	2.153s (-2.1%)	0.435s	28	1.00x
🐘 Postgres	Nitro	1.731s (-3.4%)	2.070s (-3.3%)	0.000s (-3.4%)	2.078s (-4.4%)	0.347s	29	1.01x
💻 Local	Nitro	2.895s (-14.5% 🟢)	3.190s (-20.9% 🟢)	0.001s (+18.4% 🔺)	3.192s (-20.9% 🟢)	0.297s	19	1.69x
💻 Local	Express	2.949s (-14.9% 🟢)	3.243s (-19.6% 🟢)	0.001s (+18.4% 🔺)	3.246s (-19.6% 🟢)	0.297s	19	1.72x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.931s (-14.3% 🟢)	5.232s (-13.1% 🟢)	0.000s (NaN%)	5.658s (-12.4% 🟢)	1.727s	11	1.00x
▲ Vercel	Nitro	4.090s (~)	5.563s (+3.5%)	0.000s (-100.0% 🟢)	5.990s (+3.4%)	1.900s	11	1.04x

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Express	11/21
🐘 Postgres	Express	21/21
▲ Vercel	Express	14/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Nitro	🐘 Postgres	17/21

Column Definitions

Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
Wall Time: Total testbench time (trigger workflow + poll for result)
Overhead: Testbench overhead (Wall Time - Workflow Time)
Samples: Number of benchmark iterations run
vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

💻 Local: In-memory filesystem world (local development)
🐘 Postgres: PostgreSQL database world (local development)
▲ Vercel: Vercel production/preview deployment
🌐 Turso: Community world (local development)
🌐 MongoDB: Community world (local development)
🌐 Redis: Community world (local development)
🌐 Jazz: Community world (local development)

📋 View full workflow run

github-actions · 2026-05-04T03:42:18Z

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Skipped	Total
✅ ▲ Vercel Production	1011	67	1078
✅ 💻 Local Development	1090	86	1176
✅ 📦 Local Production	1090	86	1176
✅ 🐘 Local Postgres	1090	86	1176
✅ 🪟 Windows	98	0	98
✅ 📋 Other	552	36	588
Total	4931	361	5292

Details by Category

✅ ▲ Vercel Production

App	Passed	Skipped
✅ astro	91	7
✅ example	91	7
✅ express	91	7
✅ fastify	91	7
✅ hono	91	7
✅ nextjs-turbopack	96	2
✅ nextjs-webpack	96	2
✅ nitro	91	7
✅ nuxt	91	7
✅ sveltekit	91	7
✅ vite	91	7

✅ 💻 Local Development

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 📦 Local Production

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🐘 Local Postgres

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	98	0	0

✅ 📋 Other

App	Passed	Skipped
✅ e2e-local-dev-nest-stable	92	6
✅ e2e-local-dev-tanstack-start-stable	92	6
✅ e2e-local-postgres-nest-stable	92	6
✅ e2e-local-postgres-tanstack-start-stable	92	6
✅ e2e-local-prod-nest-stable	92	6
✅ e2e-local-prod-tanstack-start-stable	92	6

📋 View full workflow run

pranaygp · 2026-05-04T03:53:49Z

 "extends": ["//"],
 "tasks": {
 "build": {
+ "env": ["WORKFLOW_PUBLIC_MANIFEST"],


we should probably add this to all our workbenches btw 🤔

I think it's in the main turbo config and thus redundant

…lier-errors-followups * origin-https/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…ignal * origin/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…1914) * [workbench] Add TanStack Start workbench and tests (#1875) (cherry picked from commit 8202663) * Fix pnpm type issue after tanstack PR (#1907) (cherry picked from commit a7071bf)

VaguelySerious · 2026-05-04T03:42:07Z

No description provided.

Signed-off-by: Peter Wielander <mittgfu@gmail.com>

changeset-bot · 2026-05-04T03:42:13Z

⚠️ No Changeset found

Latest commit: abc479a

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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vercel · 2026-05-04T03:42:14Z

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 4, 2026 3:45am
example-nextjs-workflow-webpack	Ready	Preview, Comment	May 4, 2026 3:45am
example-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-astro-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-express-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-fastify-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-hono-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-nitro-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-nuxt-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-sveltekit-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-tanstack-start-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-vite-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-swc-playground	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-tarballs	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-web	Ready	Preview, Comment	May 4, 2026 3:45am

github-actions · 2026-05-04T03:42:16Z

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.043s (-2.0%)	1.005s (~)	0.962s	10	1.00x
💻 Local	Nitro	0.044s (+2.1%)	1.006s (~)	0.962s	10	1.01x
🐘 Postgres	Express	0.058s (+0.7%)	1.011s (~)	0.952s	10	1.35x
🐘 Postgres	Nitro	0.059s (-37.5% 🟢)	1.011s (-3.1%)	0.951s	10	1.37x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.238s (+1.0%)	5.938s (+178.0% 🔺)	5.700s	10	1.00x
▲ Vercel	Nitro	0.251s (-38.8% 🟢)	4.275s (+70.3% 🔺)	4.024s	10	1.05x

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.127s (~)	2.006s (~)	0.879s	10	1.00x
💻 Local	Nitro	1.128s (~)	2.006s (~)	0.878s	10	1.00x
🐘 Postgres	Express	1.138s (-0.7%)	2.010s (~)	0.872s	10	1.01x
🐘 Postgres	Nitro	1.149s (+0.8%)	2.012s (~)	0.863s	10	1.02x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.949s (+3.9%)	8.666s (+127.6% 🔺)	6.717s	10	1.00x
▲ Vercel	Nitro	2.838s (-27.1% 🟢)	6.996s (+18.4% 🔺)	4.158s	10	1.46x

🔍 Observability: Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	10.888s (-0.7%)	11.018s (~)	0.131s	3	1.00x
🐘 Postgres	Nitro	10.929s (+0.5%)	11.024s (~)	0.094s	3	1.00x
💻 Local	Nitro	10.934s (~)	11.022s (~)	0.088s	3	1.00x
💻 Local	Express	10.955s (~)	11.024s (~)	0.069s	3	1.01x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	20.805s (+22.5% 🔺)	22.605s (+12.9% 🔺)	1.800s	2	1.00x
▲ Vercel	Nitro	22.108s (-6.8% 🟢)	42.555s (+69.4% 🔺)	20.447s	1	1.06x

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.570s (~)	15.022s (~)	0.452s	4	1.00x
🐘 Postgres	Nitro	14.658s (~)	15.021s (~)	0.363s	4	1.01x
💻 Local	Nitro	15.011s (~)	15.530s (-3.1%)	0.519s	4	1.03x
💻 Local	Express	15.025s (~)	15.280s (+1.7%)	0.256s	4	1.03x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	31.087s (-38.2% 🟢)	38.884s (-26.0% 🟢)	7.798s	2	1.00x
▲ Vercel	Nitro	33.493s (-48.0% 🟢)	42.737s (-35.9% 🟢)	9.244s	2	1.08x

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.044s (~)	14.590s (~)	0.546s	7	1.00x
🐘 Postgres	Nitro	14.270s (+2.2%)	15.024s (+5.0%)	0.755s	6	1.02x
💻 Local	Nitro	16.756s (~)	17.031s (~)	0.274s	6	1.19x
💻 Local	Express	16.975s (+2.2%)	17.364s (+2.0%)	0.389s	6	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	55.634s (-86.8% 🟢)	67.104s (-84.2% 🟢)	11.470s	2	1.00x
▲ Vercel	Express	63.380s (-47.7% 🟢)	64.978s (-47.5% 🟢)	1.598s	2	1.14x

🔍 Observability: Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.260s (~)	2.010s (~)	0.750s	15	1.00x
🐘 Postgres	Nitro	1.272s (~)	2.009s (~)	0.737s	15	1.01x
💻 Local	Express	1.509s (+1.3%)	2.005s (~)	0.496s	15	1.20x
💻 Local	Nitro	1.528s (-6.4% 🟢)	2.005s (-3.3%)	0.477s	15	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.437s (-14.8% 🟢)	6.644s (+43.7% 🔺)	4.207s	5	1.00x
▲ Vercel	Nitro	2.727s (-3.2%)	15.026s (+247.6% 🔺)	12.299s	3	1.12x

🔍 Observability: Express | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.326s (-1.5%)	3.009s (~)	0.683s	10	1.00x
🐘 Postgres	Nitro	2.353s (~)	3.010s (~)	0.657s	10	1.01x
💻 Local	Nitro	2.951s (-6.1% 🟢)	3.454s (-11.1% 🟢)	0.503s	9	1.27x
💻 Local	Express	2.969s (+0.5%)	3.308s (-4.2%)	0.339s	10	1.28x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.270s (-37.3% 🟢)	7.526s (+47.3% 🔺)	5.256s	4	1.00x
▲ Vercel	Nitro	2.473s (-39.0% 🟢)	6.597s (+11.4% 🔺)	4.124s	6	1.09x

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.452s (-1.0%)	4.010s (~)	0.558s	8	1.00x
🐘 Postgres	Nitro	3.464s (~)	4.010s (~)	0.546s	8	1.00x
💻 Local	Nitro	8.252s (-1.2%)	9.025s (~)	0.773s	4	2.39x
💻 Local	Express	8.332s (~)	9.024s (~)	0.691s	4	2.41x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.855s (-32.7% 🟢)	7.771s (+26.8% 🔺)	4.917s	4	1.00x
▲ Vercel	Nitro	3.648s (+3.5%)	7.809s (+41.1% 🔺)	4.161s	5	1.28x

🔍 Observability: Express | Nitro

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.252s (~)	2.008s (~)	0.755s	15	1.00x
🐘 Postgres	Nitro	1.253s (~)	2.008s (~)	0.755s	15	1.00x
💻 Local	Express	1.525s (-19.5% 🟢)	2.006s (-15.1% 🟢)	0.481s	15	1.22x
💻 Local	Nitro	1.528s (-18.1% 🟢)	2.007s (-14.2% 🟢)	0.479s	15	1.22x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.240s (-8.9% 🟢)	10.000s (+139.9% 🔺)	7.760s	4	1.00x
▲ Vercel	Express	2.256s (-12.6% 🟢)	15.382s (+253.6% 🔺)	13.126s	2	1.01x

🔍 Observability: Nitro | Express

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.333s (~)	3.010s (~)	0.677s	10	1.00x
🐘 Postgres	Nitro	2.339s (~)	3.009s (~)	0.670s	10	1.00x
💻 Local	Express	3.025s (-3.4%)	3.759s (~)	0.734s	8	1.30x
💻 Local	Nitro	3.118s (+1.7%)	4.011s (+3.2%)	0.894s	8	1.34x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.485s (-23.2% 🟢)	6.504s (+28.1% 🔺)	4.020s	5	1.00x
▲ Vercel	Express	2.540s (-20.4% 🟢)	10.130s (+111.4% 🔺)	7.590s	3	1.02x

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.455s (-1.3%)	4.011s (~)	0.556s	8	1.00x
🐘 Postgres	Nitro	3.495s (~)	4.010s (~)	0.516s	8	1.01x
💻 Local	Nitro	9.101s (~)	9.776s (-2.5%)	0.675s	4	2.63x
💻 Local	Express	9.133s (+3.8%)	9.526s (+2.7%)	0.393s	4	2.64x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.648s (-58.7% 🟢)	7.925s (-3.1%)	5.276s	5	1.00x
▲ Vercel	Nitro	2.771s (-45.6% 🟢)	8.038s (+17.9% 🔺)	5.268s	4	1.05x

🔍 Observability: Express | Nitro

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.806s (-4.0%)	1.006s (-1.7%)	0.200s	60	1.00x
🐘 Postgres	Nitro	0.861s (+5.0%)	1.023s (+1.7%)	0.162s	59	1.07x
💻 Local	Express	1.011s (+2.7%)	1.493s (+38.8% 🔺)	0.482s	41	1.25x
💻 Local	Nitro	1.013s (+3.3%)	1.506s (+37.7% 🔺)	0.493s	40	1.26x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	9.749s (-55.8% 🟢)	12.732s (-47.0% 🟢)	2.983s	5	1.00x
▲ Vercel	Express	11.495s (-39.5% 🟢)	20.624s (-3.3%)	9.128s	3	1.18x

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.924s (-2.7%)	2.099s (-7.1% 🟢)	0.175s	44	1.00x
🐘 Postgres	Nitro	2.045s (+6.1% 🔺)	2.714s (+29.2% 🔺)	0.669s	34	1.06x
💻 Local	Express	3.055s (+1.3%)	3.843s (+7.2% 🔺)	0.789s	24	1.59x
💻 Local	Nitro	3.087s (+1.7%)	3.967s (+5.5% 🔺)	0.880s	23	1.60x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	28.325s (-28.3% 🟢)	30.268s (-26.7% 🟢)	1.943s	4	1.00x
▲ Vercel	Express	28.923s (-16.2% 🟢)	32.811s (-10.9% 🟢)	3.888s	3	1.02x

🔍 Observability: Nitro | Express

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.888s (-2.6%)	4.075s (-6.7% 🟢)	0.188s	30	1.00x
🐘 Postgres	Nitro	4.150s (+1.1%)	4.971s (+8.0% 🔺)	0.821s	25	1.07x
💻 Local	Express	9.271s (+0.7%)	10.018s (~)	0.747s	12	2.38x
💻 Local	Nitro	9.535s (+2.6%)	10.019s (~)	0.484s	12	2.45x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	71.457s (-26.3% 🟢)	73.457s (-25.4% 🟢)	2.000s	2	1.00x
▲ Vercel	Express	75.091s (-42.3% 🟢)	77.249s (-41.6% 🟢)	2.158s	2	1.05x

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.278s (-1.6%)	1.007s (~)	0.729s	60	1.00x
🐘 Postgres	Nitro	0.290s (+2.4%)	1.007s (~)	0.717s	60	1.04x
💻 Local	Nitro	0.623s (+3.1%)	1.022s (~)	0.398s	59	2.24x
💻 Local	Express	0.667s (+19.1% 🔺)	1.096s (+9.1% 🔺)	0.428s	55	2.40x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.341s (-31.4% 🟢)	3.019s (-17.0% 🟢)	1.678s	20	1.00x
▲ Vercel	Nitro	1.576s (-5.1% 🟢)	3.217s (-4.0%)	1.641s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.493s (-3.2%)	1.006s (~)	0.513s	90	1.00x
🐘 Postgres	Nitro	0.515s (+3.7%)	1.007s (~)	0.492s	90	1.04x
💻 Local	Express	2.552s (+1.6%)	3.009s (~)	0.457s	30	5.17x
💻 Local	Nitro	2.675s (+5.4% 🔺)	3.010s (~)	0.335s	30	5.42x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.680s (-12.0% 🟢)	4.455s (-7.3% 🟢)	1.775s	21	1.00x
▲ Vercel	Nitro	3.150s (-2.4%)	4.792s (-0.6%)	1.643s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.773s (-5.5% 🟢)	1.007s (-1.0%)	0.234s	120	1.00x
🐘 Postgres	Nitro	0.830s (+5.0%)	1.010s (~)	0.180s	119	1.07x
💻 Local	Express	11.192s (~)	11.754s (-1.6%)	0.561s	11	14.47x
💻 Local	Nitro	11.482s (+2.6%)	12.027s (+3.1%)	0.545s	10	14.85x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.700s (-13.2% 🟢)	8.420s (-10.4% 🟢)	1.719s	15	1.00x
▲ Vercel	Express	7.695s (+3.7%)	9.527s (+3.1%)	1.833s	14	1.15x

🔍 Observability: Nitro | Express

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.199s (-3.2%)	0.999s (~)	0.001s (-43.8% 🟢)	1.010s (~)	0.811s	10	1.00x
💻 Local	Nitro	0.204s (-4.5%)	1.004s (~)	0.012s (-4.8%)	1.018s (~)	0.814s	10	1.03x
💻 Local	Express	0.220s (+10.7% 🔺)	1.004s (~)	0.012s (~)	1.018s (~)	0.798s	10	1.11x
🐘 Postgres	Nitro	0.224s (+9.2% 🔺)	0.995s (~)	0.001s (-6.7% 🟢)	1.011s (~)	0.787s	10	1.13x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.806s (-27.9% 🟢)	10.621s (+159.7% 🔺)	1.045s (+8.8% 🔺)	12.584s (+125.1% 🔺)	10.777s	10	1.00x
▲ Vercel	Nitro	1.977s (-48.4% 🟢)	6.256s (+18.6% 🔺)	1.089s (+46.8% 🔺)	11.673s (+80.1% 🔺)	9.697s	10	1.09x

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.606s (-3.8%)	1.006s (~)	0.004s (+1.3%)	1.023s (~)	0.417s	59	1.00x
🐘 Postgres	Nitro	0.636s (+2.0%)	1.007s (~)	0.004s (-5.7% 🟢)	1.021s (~)	0.385s	59	1.05x
💻 Local	Express	0.851s (+12.4% 🔺)	1.012s (-1.6%)	0.010s (+5.6% 🔺)	1.117s (+7.4% 🔺)	0.266s	54	1.40x
💻 Local	Nitro	0.965s (+15.0% 🔺)	1.012s (~)	0.010s (+8.0% 🔺)	1.229s (+10.2% 🔺)	0.265s	49	1.59x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	4.113s (-36.8% 🟢)	5.737s (-28.4% 🟢)	0.202s (-50.7% 🟢)	6.355s (-28.1% 🟢)	2.242s	10	1.00x
▲ Vercel	Nitro	4.139s (-85.9% 🟢)	5.691s (-81.5% 🟢)	0.373s (+232.9% 🔺)	6.508s (-79.5% 🟢)	2.369s	10	1.01x

🔍 Observability: Express | Nitro

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.921s (-4.2%)	1.104s (-13.6% 🟢)	0.000s (-16.4% 🟢)	1.117s (-14.5% 🟢)	0.196s	55	1.00x
🐘 Postgres	Nitro	0.961s (-0.8%)	1.266s (+1.5%)	0.000s (+200.0% 🔺)	1.279s (+1.7%)	0.318s	48	1.04x
💻 Local	Nitro	1.212s (-0.9%)	2.019s (~)	0.000s (-33.3% 🟢)	2.021s (~)	0.809s	30	1.32x
💻 Local	Express	1.220s (~)	2.021s (~)	0.001s (+60.0% 🔺)	2.023s (~)	0.804s	30	1.32x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.894s (-22.6% 🟢)	4.461s (-12.6% 🟢)	0.000s (-100.0% 🟢)	4.890s (-11.6% 🟢)	1.996s	13	1.00x
▲ Vercel	Nitro	3.033s (-0.6%)	4.632s (+5.5% 🔺)	0.000s (-100.0% 🟢)	5.075s (+5.5% 🔺)	2.042s	12	1.05x

🔍 Observability: Express | Nitro

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.718s (-3.1%)	2.143s (-1.6%)	0.000s (+Infinity% 🔺)	2.153s (-2.1%)	0.435s	28	1.00x
🐘 Postgres	Nitro	1.731s (-3.4%)	2.070s (-3.3%)	0.000s (-3.4%)	2.078s (-4.4%)	0.347s	29	1.01x
💻 Local	Nitro	2.895s (-14.5% 🟢)	3.190s (-20.9% 🟢)	0.001s (+18.4% 🔺)	3.192s (-20.9% 🟢)	0.297s	19	1.69x
💻 Local	Express	2.949s (-14.9% 🟢)	3.243s (-19.6% 🟢)	0.001s (+18.4% 🔺)	3.246s (-19.6% 🟢)	0.297s	19	1.72x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.931s (-14.3% 🟢)	5.232s (-13.1% 🟢)	0.000s (NaN%)	5.658s (-12.4% 🟢)	1.727s	11	1.00x
▲ Vercel	Nitro	4.090s (~)	5.563s (+3.5%)	0.000s (-100.0% 🟢)	5.990s (+3.4%)	1.900s	11	1.04x

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Express	11/21
🐘 Postgres	Express	21/21
▲ Vercel	Express	14/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Nitro	🐘 Postgres	17/21

Column Definitions

Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
Wall Time: Total testbench time (trigger workflow + poll for result)
Overhead: Testbench overhead (Wall Time - Workflow Time)
Samples: Number of benchmark iterations run
vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

💻 Local: In-memory filesystem world (local development)
🐘 Postgres: PostgreSQL database world (local development)
▲ Vercel: Vercel production/preview deployment
🌐 Turso: Community world (local development)
🌐 MongoDB: Community world (local development)
🌐 Redis: Community world (local development)
🌐 Jazz: Community world (local development)

📋 View full workflow run

github-actions · 2026-05-04T03:42:18Z

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Skipped	Total
✅ ▲ Vercel Production	1011	67	1078
✅ 💻 Local Development	1090	86	1176
✅ 📦 Local Production	1090	86	1176
✅ 🐘 Local Postgres	1090	86	1176
✅ 🪟 Windows	98	0	98
✅ 📋 Other	552	36	588
Total	4931	361	5292

Details by Category

✅ ▲ Vercel Production

App	Passed	Skipped
✅ astro	91	7
✅ example	91	7
✅ express	91	7
✅ fastify	91	7
✅ hono	91	7
✅ nextjs-turbopack	96	2
✅ nextjs-webpack	96	2
✅ nitro	91	7
✅ nuxt	91	7
✅ sveltekit	91	7
✅ vite	91	7

✅ 💻 Local Development

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 📦 Local Production

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🐘 Local Postgres

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	98	0	0

✅ 📋 Other

App	Passed	Skipped
✅ e2e-local-dev-nest-stable	92	6
✅ e2e-local-dev-tanstack-start-stable	92	6
✅ e2e-local-postgres-nest-stable	92	6
✅ e2e-local-postgres-tanstack-start-stable	92	6
✅ e2e-local-prod-nest-stable	92	6
✅ e2e-local-prod-tanstack-start-stable	92	6

📋 View full workflow run

pranaygp · 2026-05-04T03:53:49Z

 "extends": ["//"],
 "tasks": {
 "build": {
+ "env": ["WORKFLOW_PUBLIC_MANIFEST"],


we should probably add this to all our workbenches btw 🤔

I think it's in the main turbo config and thus redundant

…lier-errors-followups * origin-https/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…ignal * origin/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…1914) * [workbench] Add TanStack Start workbench and tests (#1875) (cherry picked from commit 8202663) * Fix pnpm type issue after tanstack PR (#1907) (cherry picked from commit a7071bf)

VaguelySerious · 2026-05-04T03:42:07Z

No description provided.

Signed-off-by: Peter Wielander <mittgfu@gmail.com>

changeset-bot · 2026-05-04T03:42:13Z

⚠️ No Changeset found

Latest commit: abc479a

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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vercel · 2026-05-04T03:42:14Z

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Ready	Preview, Comment	May 4, 2026 3:45am
example-nextjs-workflow-webpack	Ready	Preview, Comment	May 4, 2026 3:45am
example-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-astro-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-express-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-fastify-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-hono-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-nitro-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-nuxt-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-sveltekit-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-tanstack-start-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workbench-vite-workflow	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-swc-playground	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-tarballs	Ready	Preview, Comment	May 4, 2026 3:45am
workflow-web	Ready	Preview, Comment	May 4, 2026 3:45am

github-actions · 2026-05-04T03:42:16Z

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.043s (-2.0%)	1.005s (~)	0.962s	10	1.00x
💻 Local	Nitro	0.044s (+2.1%)	1.006s (~)	0.962s	10	1.01x
🐘 Postgres	Express	0.058s (+0.7%)	1.011s (~)	0.952s	10	1.35x
🐘 Postgres	Nitro	0.059s (-37.5% 🟢)	1.011s (-3.1%)	0.951s	10	1.37x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.238s (+1.0%)	5.938s (+178.0% 🔺)	5.700s	10	1.00x
▲ Vercel	Nitro	0.251s (-38.8% 🟢)	4.275s (+70.3% 🔺)	4.024s	10	1.05x

🔍 Observability: Express | Nitro

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.127s (~)	2.006s (~)	0.879s	10	1.00x
💻 Local	Nitro	1.128s (~)	2.006s (~)	0.878s	10	1.00x
🐘 Postgres	Express	1.138s (-0.7%)	2.010s (~)	0.872s	10	1.01x
🐘 Postgres	Nitro	1.149s (+0.8%)	2.012s (~)	0.863s	10	1.02x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.949s (+3.9%)	8.666s (+127.6% 🔺)	6.717s	10	1.00x
▲ Vercel	Nitro	2.838s (-27.1% 🟢)	6.996s (+18.4% 🔺)	4.158s	10	1.46x

🔍 Observability: Express | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	10.888s (-0.7%)	11.018s (~)	0.131s	3	1.00x
🐘 Postgres	Nitro	10.929s (+0.5%)	11.024s (~)	0.094s	3	1.00x
💻 Local	Nitro	10.934s (~)	11.022s (~)	0.088s	3	1.00x
💻 Local	Express	10.955s (~)	11.024s (~)	0.069s	3	1.01x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	20.805s (+22.5% 🔺)	22.605s (+12.9% 🔺)	1.800s	2	1.00x
▲ Vercel	Nitro	22.108s (-6.8% 🟢)	42.555s (+69.4% 🔺)	20.447s	1	1.06x

🔍 Observability: Express | Nitro

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.570s (~)	15.022s (~)	0.452s	4	1.00x
🐘 Postgres	Nitro	14.658s (~)	15.021s (~)	0.363s	4	1.01x
💻 Local	Nitro	15.011s (~)	15.530s (-3.1%)	0.519s	4	1.03x
💻 Local	Express	15.025s (~)	15.280s (+1.7%)	0.256s	4	1.03x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	31.087s (-38.2% 🟢)	38.884s (-26.0% 🟢)	7.798s	2	1.00x
▲ Vercel	Nitro	33.493s (-48.0% 🟢)	42.737s (-35.9% 🟢)	9.244s	2	1.08x

🔍 Observability: Express | Nitro

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	14.044s (~)	14.590s (~)	0.546s	7	1.00x
🐘 Postgres	Nitro	14.270s (+2.2%)	15.024s (+5.0%)	0.755s	6	1.02x
💻 Local	Nitro	16.756s (~)	17.031s (~)	0.274s	6	1.19x
💻 Local	Express	16.975s (+2.2%)	17.364s (+2.0%)	0.389s	6	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	55.634s (-86.8% 🟢)	67.104s (-84.2% 🟢)	11.470s	2	1.00x
▲ Vercel	Express	63.380s (-47.7% 🟢)	64.978s (-47.5% 🟢)	1.598s	2	1.14x

🔍 Observability: Nitro | Express

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.260s (~)	2.010s (~)	0.750s	15	1.00x
🐘 Postgres	Nitro	1.272s (~)	2.009s (~)	0.737s	15	1.01x
💻 Local	Express	1.509s (+1.3%)	2.005s (~)	0.496s	15	1.20x
💻 Local	Nitro	1.528s (-6.4% 🟢)	2.005s (-3.3%)	0.477s	15	1.21x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.437s (-14.8% 🟢)	6.644s (+43.7% 🔺)	4.207s	5	1.00x
▲ Vercel	Nitro	2.727s (-3.2%)	15.026s (+247.6% 🔺)	12.299s	3	1.12x

🔍 Observability: Express | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.326s (-1.5%)	3.009s (~)	0.683s	10	1.00x
🐘 Postgres	Nitro	2.353s (~)	3.010s (~)	0.657s	10	1.01x
💻 Local	Nitro	2.951s (-6.1% 🟢)	3.454s (-11.1% 🟢)	0.503s	9	1.27x
💻 Local	Express	2.969s (+0.5%)	3.308s (-4.2%)	0.339s	10	1.28x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.270s (-37.3% 🟢)	7.526s (+47.3% 🔺)	5.256s	4	1.00x
▲ Vercel	Nitro	2.473s (-39.0% 🟢)	6.597s (+11.4% 🔺)	4.124s	6	1.09x

🔍 Observability: Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.452s (-1.0%)	4.010s (~)	0.558s	8	1.00x
🐘 Postgres	Nitro	3.464s (~)	4.010s (~)	0.546s	8	1.00x
💻 Local	Nitro	8.252s (-1.2%)	9.025s (~)	0.773s	4	2.39x
💻 Local	Express	8.332s (~)	9.024s (~)	0.691s	4	2.41x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.855s (-32.7% 🟢)	7.771s (+26.8% 🔺)	4.917s	4	1.00x
▲ Vercel	Nitro	3.648s (+3.5%)	7.809s (+41.1% 🔺)	4.161s	5	1.28x

🔍 Observability: Express | Nitro

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.252s (~)	2.008s (~)	0.755s	15	1.00x
🐘 Postgres	Nitro	1.253s (~)	2.008s (~)	0.755s	15	1.00x
💻 Local	Express	1.525s (-19.5% 🟢)	2.006s (-15.1% 🟢)	0.481s	15	1.22x
💻 Local	Nitro	1.528s (-18.1% 🟢)	2.007s (-14.2% 🟢)	0.479s	15	1.22x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.240s (-8.9% 🟢)	10.000s (+139.9% 🔺)	7.760s	4	1.00x
▲ Vercel	Express	2.256s (-12.6% 🟢)	15.382s (+253.6% 🔺)	13.126s	2	1.01x

🔍 Observability: Nitro | Express

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	2.333s (~)	3.010s (~)	0.677s	10	1.00x
🐘 Postgres	Nitro	2.339s (~)	3.009s (~)	0.670s	10	1.00x
💻 Local	Express	3.025s (-3.4%)	3.759s (~)	0.734s	8	1.30x
💻 Local	Nitro	3.118s (+1.7%)	4.011s (+3.2%)	0.894s	8	1.34x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	2.485s (-23.2% 🟢)	6.504s (+28.1% 🔺)	4.020s	5	1.00x
▲ Vercel	Express	2.540s (-20.4% 🟢)	10.130s (+111.4% 🔺)	7.590s	3	1.02x

🔍 Observability: Nitro | Express

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.455s (-1.3%)	4.011s (~)	0.556s	8	1.00x
🐘 Postgres	Nitro	3.495s (~)	4.010s (~)	0.516s	8	1.01x
💻 Local	Nitro	9.101s (~)	9.776s (-2.5%)	0.675s	4	2.63x
💻 Local	Express	9.133s (+3.8%)	9.526s (+2.7%)	0.393s	4	2.64x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.648s (-58.7% 🟢)	7.925s (-3.1%)	5.276s	5	1.00x
▲ Vercel	Nitro	2.771s (-45.6% 🟢)	8.038s (+17.9% 🔺)	5.268s	4	1.05x

🔍 Observability: Express | Nitro

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.806s (-4.0%)	1.006s (-1.7%)	0.200s	60	1.00x
🐘 Postgres	Nitro	0.861s (+5.0%)	1.023s (+1.7%)	0.162s	59	1.07x
💻 Local	Express	1.011s (+2.7%)	1.493s (+38.8% 🔺)	0.482s	41	1.25x
💻 Local	Nitro	1.013s (+3.3%)	1.506s (+37.7% 🔺)	0.493s	40	1.26x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	9.749s (-55.8% 🟢)	12.732s (-47.0% 🟢)	2.983s	5	1.00x
▲ Vercel	Express	11.495s (-39.5% 🟢)	20.624s (-3.3%)	9.128s	3	1.18x

🔍 Observability: Nitro | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.924s (-2.7%)	2.099s (-7.1% 🟢)	0.175s	44	1.00x
🐘 Postgres	Nitro	2.045s (+6.1% 🔺)	2.714s (+29.2% 🔺)	0.669s	34	1.06x
💻 Local	Express	3.055s (+1.3%)	3.843s (+7.2% 🔺)	0.789s	24	1.59x
💻 Local	Nitro	3.087s (+1.7%)	3.967s (+5.5% 🔺)	0.880s	23	1.60x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	28.325s (-28.3% 🟢)	30.268s (-26.7% 🟢)	1.943s	4	1.00x
▲ Vercel	Express	28.923s (-16.2% 🟢)	32.811s (-10.9% 🟢)	3.888s	3	1.02x

🔍 Observability: Nitro | Express

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	3.888s (-2.6%)	4.075s (-6.7% 🟢)	0.188s	30	1.00x
🐘 Postgres	Nitro	4.150s (+1.1%)	4.971s (+8.0% 🔺)	0.821s	25	1.07x
💻 Local	Express	9.271s (+0.7%)	10.018s (~)	0.747s	12	2.38x
💻 Local	Nitro	9.535s (+2.6%)	10.019s (~)	0.484s	12	2.45x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	71.457s (-26.3% 🟢)	73.457s (-25.4% 🟢)	2.000s	2	1.00x
▲ Vercel	Express	75.091s (-42.3% 🟢)	77.249s (-41.6% 🟢)	2.158s	2	1.05x

🔍 Observability: Nitro | Express

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.278s (-1.6%)	1.007s (~)	0.729s	60	1.00x
🐘 Postgres	Nitro	0.290s (+2.4%)	1.007s (~)	0.717s	60	1.04x
💻 Local	Nitro	0.623s (+3.1%)	1.022s (~)	0.398s	59	2.24x
💻 Local	Express	0.667s (+19.1% 🔺)	1.096s (+9.1% 🔺)	0.428s	55	2.40x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.341s (-31.4% 🟢)	3.019s (-17.0% 🟢)	1.678s	20	1.00x
▲ Vercel	Nitro	1.576s (-5.1% 🟢)	3.217s (-4.0%)	1.641s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.493s (-3.2%)	1.006s (~)	0.513s	90	1.00x
🐘 Postgres	Nitro	0.515s (+3.7%)	1.007s (~)	0.492s	90	1.04x
💻 Local	Express	2.552s (+1.6%)	3.009s (~)	0.457s	30	5.17x
💻 Local	Nitro	2.675s (+5.4% 🔺)	3.010s (~)	0.335s	30	5.42x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.680s (-12.0% 🟢)	4.455s (-7.3% 🟢)	1.775s	21	1.00x
▲ Vercel	Nitro	3.150s (-2.4%)	4.792s (-0.6%)	1.643s	19	1.18x

🔍 Observability: Express | Nitro

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.773s (-5.5% 🟢)	1.007s (-1.0%)	0.234s	120	1.00x
🐘 Postgres	Nitro	0.830s (+5.0%)	1.010s (~)	0.180s	119	1.07x
💻 Local	Express	11.192s (~)	11.754s (-1.6%)	0.561s	11	14.47x
💻 Local	Nitro	11.482s (+2.6%)	12.027s (+3.1%)	0.545s	10	14.85x

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.700s (-13.2% 🟢)	8.420s (-10.4% 🟢)	1.719s	15	1.00x
▲ Vercel	Express	7.695s (+3.7%)	9.527s (+3.1%)	1.833s	14	1.15x

🔍 Observability: Nitro | Express

Stream Benchmarks(includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.199s (-3.2%)	0.999s (~)	0.001s (-43.8% 🟢)	1.010s (~)	0.811s	10	1.00x
💻 Local	Nitro	0.204s (-4.5%)	1.004s (~)	0.012s (-4.8%)	1.018s (~)	0.814s	10	1.03x
💻 Local	Express	0.220s (+10.7% 🔺)	1.004s (~)	0.012s (~)	1.018s (~)	0.798s	10	1.11x
🐘 Postgres	Nitro	0.224s (+9.2% 🔺)	0.995s (~)	0.001s (-6.7% 🟢)	1.011s (~)	0.787s	10	1.13x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.806s (-27.9% 🟢)	10.621s (+159.7% 🔺)	1.045s (+8.8% 🔺)	12.584s (+125.1% 🔺)	10.777s	10	1.00x
▲ Vercel	Nitro	1.977s (-48.4% 🟢)	6.256s (+18.6% 🔺)	1.089s (+46.8% 🔺)	11.673s (+80.1% 🔺)	9.697s	10	1.09x

🔍 Observability: Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.606s (-3.8%)	1.006s (~)	0.004s (+1.3%)	1.023s (~)	0.417s	59	1.00x
🐘 Postgres	Nitro	0.636s (+2.0%)	1.007s (~)	0.004s (-5.7% 🟢)	1.021s (~)	0.385s	59	1.05x
💻 Local	Express	0.851s (+12.4% 🔺)	1.012s (-1.6%)	0.010s (+5.6% 🔺)	1.117s (+7.4% 🔺)	0.266s	54	1.40x
💻 Local	Nitro	0.965s (+15.0% 🔺)	1.012s (~)	0.010s (+8.0% 🔺)	1.229s (+10.2% 🔺)	0.265s	49	1.59x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	4.113s (-36.8% 🟢)	5.737s (-28.4% 🟢)	0.202s (-50.7% 🟢)	6.355s (-28.1% 🟢)	2.242s	10	1.00x
▲ Vercel	Nitro	4.139s (-85.9% 🟢)	5.691s (-81.5% 🟢)	0.373s (+232.9% 🔺)	6.508s (-79.5% 🟢)	2.369s	10	1.01x

🔍 Observability: Express | Nitro

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	0.921s (-4.2%)	1.104s (-13.6% 🟢)	0.000s (-16.4% 🟢)	1.117s (-14.5% 🟢)	0.196s	55	1.00x
🐘 Postgres	Nitro	0.961s (-0.8%)	1.266s (+1.5%)	0.000s (+200.0% 🔺)	1.279s (+1.7%)	0.318s	48	1.04x
💻 Local	Nitro	1.212s (-0.9%)	2.019s (~)	0.000s (-33.3% 🟢)	2.021s (~)	0.809s	30	1.32x
💻 Local	Express	1.220s (~)	2.021s (~)	0.001s (+60.0% 🔺)	2.023s (~)	0.804s	30	1.32x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.894s (-22.6% 🟢)	4.461s (-12.6% 🟢)	0.000s (-100.0% 🟢)	4.890s (-11.6% 🟢)	1.996s	13	1.00x
▲ Vercel	Nitro	3.033s (-0.6%)	4.632s (+5.5% 🔺)	0.000s (-100.0% 🟢)	5.075s (+5.5% 🔺)	2.042s	12	1.05x

🔍 Observability: Express | Nitro

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.718s (-3.1%)	2.143s (-1.6%)	0.000s (+Infinity% 🔺)	2.153s (-2.1%)	0.435s	28	1.00x
🐘 Postgres	Nitro	1.731s (-3.4%)	2.070s (-3.3%)	0.000s (-3.4%)	2.078s (-4.4%)	0.347s	29	1.01x
💻 Local	Nitro	2.895s (-14.5% 🟢)	3.190s (-20.9% 🟢)	0.001s (+18.4% 🔺)	3.192s (-20.9% 🟢)	0.297s	19	1.69x
💻 Local	Express	2.949s (-14.9% 🟢)	3.243s (-19.6% 🟢)	0.001s (+18.4% 🔺)	3.246s (-19.6% 🟢)	0.297s	19	1.72x

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	3.931s (-14.3% 🟢)	5.232s (-13.1% 🟢)	0.000s (NaN%)	5.658s (-12.4% 🟢)	1.727s	11	1.00x
▲ Vercel	Nitro	4.090s (~)	5.563s (+3.5%)	0.000s (-100.0% 🟢)	5.990s (+3.4%)	1.900s	11	1.04x

🔍 Observability: Express | Nitro

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Express	11/21
🐘 Postgres	Express	21/21
▲ Vercel	Express	14/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	16/21
Nitro	🐘 Postgres	17/21

Column Definitions

Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
Wall Time: Total testbench time (trigger workflow + poll for result)
Overhead: Testbench overhead (Wall Time - Workflow Time)
Samples: Number of benchmark iterations run
vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

💻 Local: In-memory filesystem world (local development)
🐘 Postgres: PostgreSQL database world (local development)
▲ Vercel: Vercel production/preview deployment
🌐 Turso: Community world (local development)
🌐 MongoDB: Community world (local development)
🌐 Redis: Community world (local development)
🌐 Jazz: Community world (local development)

📋 View full workflow run

github-actions · 2026-05-04T03:42:18Z

🧪 E2E Test Results

✅ All tests passed

Summary

	Passed	Skipped	Total
✅ ▲ Vercel Production	1011	67	1078
✅ 💻 Local Development	1090	86	1176
✅ 📦 Local Production	1090	86	1176
✅ 🐘 Local Postgres	1090	86	1176
✅ 🪟 Windows	98	0	98
✅ 📋 Other	552	36	588
Total	4931	361	5292

Details by Category

✅ ▲ Vercel Production

App	Passed	Skipped
✅ astro	91	7
✅ example	91	7
✅ express	91	7
✅ fastify	91	7
✅ hono	91	7
✅ nextjs-turbopack	96	2
✅ nextjs-webpack	96	2
✅ nitro	91	7
✅ nuxt	91	7
✅ sveltekit	91	7
✅ vite	91	7

✅ 💻 Local Development

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 📦 Local Production

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🐘 Local Postgres

App	Passed	Skipped
✅ astro-stable	92	6
✅ express-stable	92	6
✅ fastify-stable	92	6
✅ hono-stable	92	6
✅ nextjs-turbopack-canary	79	19
✅ nextjs-turbopack-stable	98	0
✅ nextjs-webpack-canary	79	19
✅ nextjs-webpack-stable	98	0
✅ nitro-stable	92	6
✅ nuxt-stable	92	6
✅ sveltekit-stable	92	6
✅ vite-stable	92	6

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	98	0	0

✅ 📋 Other

App	Passed	Skipped
✅ e2e-local-dev-nest-stable	92	6
✅ e2e-local-dev-tanstack-start-stable	92	6
✅ e2e-local-postgres-nest-stable	92	6
✅ e2e-local-postgres-tanstack-start-stable	92	6
✅ e2e-local-prod-nest-stable	92	6
✅ e2e-local-prod-tanstack-start-stable	92	6

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pranaygp · 2026-05-04T03:53:49Z

 "extends": ["//"],
 "tasks": {
 "build": {
+ "env": ["WORKFLOW_PUBLIC_MANIFEST"],


we should probably add this to all our workbenches btw 🤔

I think it's in the main turbo config and thus redundant

…lier-errors-followups * origin-https/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…ignal * origin/main: Fix pnpm type issue after tanstack PR (#1907) ci: pass stale-banner via path: to sticky-pull-request-comment in tests + benchmarks workflows (#1887)

…1914) * [workbench] Add TanStack Start workbench and tests (#1875) (cherry picked from commit 8202663) * Fix pnpm type issue after tanstack PR (#1907) (cherry picked from commit a7071bf)

fix
abc479a
Signed-off-by: Peter Wielander <mittgfu@gmail.com>

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VaguelySerious requested review from TooTallNate, karthikscale3 and pranaygp May 4, 2026 03:46

pranaygp approved these changes May 4, 2026
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VaguelySerious merged commit a7071bf into mainMay 4, 2026
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VaguelySerious deleted the peter/fix-tests branch May 4, 2026 04:13

ziyak97 pushed a commit to ziyak97/workflow that referenced this pull request May 4, 2026
Fix pnpm type issue after tanstack PR (vercel#1907)
9fc7b5f

VaguelySerious mentioned this pull request May 4, 2026
[backport] [workbench] Add TanStack Start workbench (#1875, #1907) #1914
Merged