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Disclaimer

This is a personal fork of timesfm, maintained to support custom changes for timecopilot and publish pypi wheels at timecopilot-timesfm. It may diverge from upstream.

Credits

This project is a fork of by Original Author(s).
All credit for the original code belongs to them. This fork is maintained independently to support TimeCopilot-specific changes.

TimesFM

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

This open version is not an officially supported Google product.

Latest Model Version: TimesFM 2.5

Archived Model Versions:

  • 1.0 and 2.0: relevant code archived in the sub directory v1. You can pip install timesfm==1.3.0 to install an older version of this package to load them.

Update - Sept. 15, 2025

TimesFM 2.5 is out!

Comparing to TimesFM 2.0, this new 2.5 model:

  • uses 200M parameters, down from 500M.
  • supports up to 16k context length, up from 2048.
  • supports continuous quantile forecast up to 1k horizon via an optional 30M quantile head.
  • gets rid of the frequency indicator.
  • has a couple of new forecasting flags.

Along with the model upgrade we have also upgraded the inference API. This repo will be under construction over the next few weeks to

  1. add support for an upcoming Flax version of the model (faster inference).
  2. add back covariate support.
  3. populate more docstrings, docs and notebook.

Install

TODO(siriuz42): Package timesfm==2.0.0 and upload to PyPI .

Run

git clone https://github.com/google-research/timesfm.git
cd timesfm
pip install -e .

Code Example

importtorchimportnumpyasnpimporttimesfmtorch.set_float32_matmul_precision("high")
model=timesfm.TimesFM_2p5_200M_torch.from_pretrained("google/timesfm-2.5-200m-pytorch")
model.compile(
timesfm.ForecastConfig(
max_context=1024,
max_horizon=256,
normalize_inputs=True,
use_continuous_quantile_head=True,
force_flip_invariance=True,
infer_is_positive=True,
fix_quantile_crossing=True,
)
)
point_forecast, quantile_forecast=model.forecast(
horizon=12,
inputs=[
np.linspace(0, 1, 100),
np.sin(np.linspace(0, 20, 67)),
], # Two dummy inputs
)
point_forecast.shape# (2, 12)quantile_forecast.shape# (2, 12, 10): mean, then 10th to 90th quantiles.

About

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

Resources

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0 watching

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})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
GitHub - TimeCopilot/timesfm: TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting. · GitHub
Skip to content

Repository files navigation

Disclaimer

This is a personal fork of timesfm, maintained to support custom changes for timecopilot and publish pypi wheels at timecopilot-timesfm. It may diverge from upstream.

Credits

This project is a fork of by Original Author(s).
All credit for the original code belongs to them. This fork is maintained independently to support TimeCopilot-specific changes.

TimesFM

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

This open version is not an officially supported Google product.

Latest Model Version: TimesFM 2.5

Archived Model Versions:

  • 1.0 and 2.0: relevant code archived in the sub directory v1. You can pip install timesfm==1.3.0 to install an older version of this package to load them.

Update - Sept. 15, 2025

TimesFM 2.5 is out!

Comparing to TimesFM 2.0, this new 2.5 model:

  • uses 200M parameters, down from 500M.
  • supports up to 16k context length, up from 2048.
  • supports continuous quantile forecast up to 1k horizon via an optional 30M quantile head.
  • gets rid of the frequency indicator.
  • has a couple of new forecasting flags.

Along with the model upgrade we have also upgraded the inference API. This repo will be under construction over the next few weeks to

  1. add support for an upcoming Flax version of the model (faster inference).
  2. add back covariate support.
  3. populate more docstrings, docs and notebook.

Install

TODO(siriuz42): Package timesfm==2.0.0 and upload to PyPI .

Run

git clone https://github.com/google-research/timesfm.git
cd timesfm
pip install -e .

Code Example

importtorchimportnumpyasnpimporttimesfmtorch.set_float32_matmul_precision("high")
model=timesfm.TimesFM_2p5_200M_torch.from_pretrained("google/timesfm-2.5-200m-pytorch")
model.compile(
timesfm.ForecastConfig(
max_context=1024,
max_horizon=256,
normalize_inputs=True,
use_continuous_quantile_head=True,
force_flip_invariance=True,
infer_is_positive=True,
fix_quantile_crossing=True,
)
)
point_forecast, quantile_forecast=model.forecast(
horizon=12,
inputs=[
np.linspace(0, 1, 100),
np.sin(np.linspace(0, 20, 67)),
], # Two dummy inputs
)
point_forecast.shape# (2, 12)quantile_forecast.shape# (2, 12, 10): mean, then 10th to 90th quantiles.

About

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

Resources

Stars

0 stars

Watchers

0 watching

Forks

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Force GitHub README to respect dark mode (function() { var style = document.createElement('style'); style.textContent = ' .markdown-body { color-scheme: dark light; } .markdown-body pre { background: #161b22 !important; } .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; } .markdown-body table th, .markdown-body table td { border-color: #30363d !important; } .markdown-body img { background: #0d1117; } .markdown-body blockquote { border-left-color: #8b949e; } .markdown-body hr { border-color: #30363d; } '; document.head.appendChild(style); })(); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - TimeCopilot/timesfm: TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting. · GitHub
Skip to content

Repository files navigation

Disclaimer

This is a personal fork of timesfm, maintained to support custom changes for timecopilot and publish pypi wheels at timecopilot-timesfm. It may diverge from upstream.

Credits

This project is a fork of by Original Author(s).
All credit for the original code belongs to them. This fork is maintained independently to support TimeCopilot-specific changes.

TimesFM

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

This open version is not an officially supported Google product.

Latest Model Version: TimesFM 2.5

Archived Model Versions:

  • 1.0 and 2.0: relevant code archived in the sub directory v1. You can pip install timesfm==1.3.0 to install an older version of this package to load them.

Update - Sept. 15, 2025

TimesFM 2.5 is out!

Comparing to TimesFM 2.0, this new 2.5 model:

  • uses 200M parameters, down from 500M.
  • supports up to 16k context length, up from 2048.
  • supports continuous quantile forecast up to 1k horizon via an optional 30M quantile head.
  • gets rid of the frequency indicator.
  • has a couple of new forecasting flags.

Along with the model upgrade we have also upgraded the inference API. This repo will be under construction over the next few weeks to

  1. add support for an upcoming Flax version of the model (faster inference).
  2. add back covariate support.
  3. populate more docstrings, docs and notebook.

Install

TODO(siriuz42): Package timesfm==2.0.0 and upload to PyPI .

Run

git clone https://github.com/google-research/timesfm.git
cd timesfm
pip install -e .

Code Example

importtorchimportnumpyasnpimporttimesfmtorch.set_float32_matmul_precision("high")
model=timesfm.TimesFM_2p5_200M_torch.from_pretrained("google/timesfm-2.5-200m-pytorch")
model.compile(
timesfm.ForecastConfig(
max_context=1024,
max_horizon=256,
normalize_inputs=True,
use_continuous_quantile_head=True,
force_flip_invariance=True,
infer_is_positive=True,
fix_quantile_crossing=True,
)
)
point_forecast, quantile_forecast=model.forecast(
horizon=12,
inputs=[
np.linspace(0, 1, 100),
np.sin(np.linspace(0, 20, 67)),
], # Two dummy inputs
)
point_forecast.shape# (2, 12)quantile_forecast.shape# (2, 12, 10): mean, then 10th to 90th quantiles.

About

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

Resources

Stars

0 stars

Watchers

0 watching

Forks

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Highlight search terms from Google/DuckDuckGo/Bing referrer (function() { var ref = document.referrer; var terms = []; if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) { var url = new URL(ref); var q = url.searchParams.get('q') || url.searchParams.get('p'); if (q) { terms = q.split(/\s+/).filter(function(t) { return t.length > 2; }); } } if (terms.length === 0) return; var style = document.createElement('style'); style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }'; document.head.appendChild(style); function highlight(node) { if (node.nodeType === 3) { // text node var text = node.textContent; var found = false; terms.forEach(function(term) { var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi'); if (regex.test(text)) { found = true; var frag = document.createDocumentFragment(); var parts = text.split(regex); parts.forEach(function(part, i) { if (i % 2 === 0) { frag.appendChild(document.createTextNode(part)); } else { var span = document.createElement('span'); span.className = 'userscript-highlight'; span.textContent = part; frag.appendChild(span); } }); node.parentNode.replaceChild(frag, node); } }); } else if (node.nodeType === 1 && node.childNodes) { // element var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT']; if (!skipTags.includes(node.tagName)) { Array.from(node.childNodes).forEach(highlight); } } } highlight(document.body); // Re-highlight on dynamic content var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1 || node.nodeType === 3) highlight(node); }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - TimeCopilot/timesfm: TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting. · GitHub
Skip to content

Repository files navigation

Disclaimer

This is a personal fork of timesfm, maintained to support custom changes for timecopilot and publish pypi wheels at timecopilot-timesfm. It may diverge from upstream.

Credits

This project is a fork of by Original Author(s).
All credit for the original code belongs to them. This fork is maintained independently to support TimeCopilot-specific changes.

TimesFM

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

This open version is not an officially supported Google product.

Latest Model Version: TimesFM 2.5

Archived Model Versions:

  • 1.0 and 2.0: relevant code archived in the sub directory v1. You can pip install timesfm==1.3.0 to install an older version of this package to load them.

Update - Sept. 15, 2025

TimesFM 2.5 is out!

Comparing to TimesFM 2.0, this new 2.5 model:

  • uses 200M parameters, down from 500M.
  • supports up to 16k context length, up from 2048.
  • supports continuous quantile forecast up to 1k horizon via an optional 30M quantile head.
  • gets rid of the frequency indicator.
  • has a couple of new forecasting flags.

Along with the model upgrade we have also upgraded the inference API. This repo will be under construction over the next few weeks to

  1. add support for an upcoming Flax version of the model (faster inference).
  2. add back covariate support.
  3. populate more docstrings, docs and notebook.

Install

TODO(siriuz42): Package timesfm==2.0.0 and upload to PyPI .

Run

git clone https://github.com/google-research/timesfm.git
cd timesfm
pip install -e .

Code Example

importtorchimportnumpyasnpimporttimesfmtorch.set_float32_matmul_precision("high")
model=timesfm.TimesFM_2p5_200M_torch.from_pretrained("google/timesfm-2.5-200m-pytorch")
model.compile(
timesfm.ForecastConfig(
max_context=1024,
max_horizon=256,
normalize_inputs=True,
use_continuous_quantile_head=True,
force_flip_invariance=True,
infer_is_positive=True,
fix_quantile_crossing=True,
)
)
point_forecast, quantile_forecast=model.forecast(
horizon=12,
inputs=[
np.linspace(0, 1, 100),
np.sin(np.linspace(0, 20, 67)),
], # Two dummy inputs
)
point_forecast.shape# (2, 12)quantile_forecast.shape# (2, 12, 10): mean, then 10th to 90th quantiles.

About

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

Resources

Stars

0 stars

Watchers

0 watching

Forks

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Strip utm_, fbclid, gclid, etc. from all links on page (function() { var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid', 'ref', 'ref_src', 'source', 'medium', 'campaign']; function cleanUrl(url) { try { var u = new URL(url, window.location.origin); var changed = false; trackingParams.forEach(function(p) { if (u.searchParams.has(p)) { u.searchParams.delete(p); changed = true; } }); return changed ? u.toString() : url; } catch (e) { return url; } } function cleanLinks() { document.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } cleanLinks(); var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1) { if (node.tagName === 'A') cleanLinks(); node.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + ' GitHub - TimeCopilot/timesfm: TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting. · GitHub
Skip to content

Repository files navigation

Disclaimer

This is a personal fork of timesfm, maintained to support custom changes for timecopilot and publish pypi wheels at timecopilot-timesfm. It may diverge from upstream.

Credits

This project is a fork of by Original Author(s).
All credit for the original code belongs to them. This fork is maintained independently to support TimeCopilot-specific changes.

TimesFM

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

This open version is not an officially supported Google product.

Latest Model Version: TimesFM 2.5

Archived Model Versions:

  • 1.0 and 2.0: relevant code archived in the sub directory v1. You can pip install timesfm==1.3.0 to install an older version of this package to load them.

Update - Sept. 15, 2025

TimesFM 2.5 is out!

Comparing to TimesFM 2.0, this new 2.5 model:

  • uses 200M parameters, down from 500M.
  • supports up to 16k context length, up from 2048.
  • supports continuous quantile forecast up to 1k horizon via an optional 30M quantile head.
  • gets rid of the frequency indicator.
  • has a couple of new forecasting flags.

Along with the model upgrade we have also upgraded the inference API. This repo will be under construction over the next few weeks to

  1. add support for an upcoming Flax version of the model (faster inference).
  2. add back covariate support.
  3. populate more docstrings, docs and notebook.

Install

TODO(siriuz42): Package timesfm==2.0.0 and upload to PyPI .

Run

git clone https://github.com/google-research/timesfm.git
cd timesfm
pip install -e .

Code Example

importtorchimportnumpyasnpimporttimesfmtorch.set_float32_matmul_precision("high")
model=timesfm.TimesFM_2p5_200M_torch.from_pretrained("google/timesfm-2.5-200m-pytorch")
model.compile(
timesfm.ForecastConfig(
max_context=1024,
max_horizon=256,
normalize_inputs=True,
use_continuous_quantile_head=True,
force_flip_invariance=True,
infer_is_positive=True,
fix_quantile_crossing=True,
)
)
point_forecast, quantile_forecast=model.forecast(
horizon=12,
inputs=[
np.linspace(0, 1, 100),
np.sin(np.linspace(0, 20, 67)),
], # Two dummy inputs
)
point_forecast.shape# (2, 12)quantile_forecast.shape# (2, 12, 10): mean, then 10th to 90th quantiles.

About

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

Resources

Stars

0 stars

Watchers

0 watching

Forks

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Auto-enable theater mode on YouTube (function() { function tryTheater() { var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]'); if (btn && !btn.classList.contains('activated')) { btn.click(); } } // Try immediately tryTheater(); // Try after navigation (SPA) var lastUrl = location.href; setInterval(function() { if (location.href !== lastUrl) { lastUrl = location.href; setTimeout(tryTheater, 500); } }, 1000); // Also try on player load var observer = new MutationObserver(tryTheater); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - TimeCopilot/timesfm: TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting. · GitHub
Skip to content

Repository files navigation

Disclaimer

This is a personal fork of timesfm, maintained to support custom changes for timecopilot and publish pypi wheels at timecopilot-timesfm. It may diverge from upstream.

Credits

This project is a fork of by Original Author(s).
All credit for the original code belongs to them. This fork is maintained independently to support TimeCopilot-specific changes.

TimesFM

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

This open version is not an officially supported Google product.

Latest Model Version: TimesFM 2.5

Archived Model Versions:

  • 1.0 and 2.0: relevant code archived in the sub directory v1. You can pip install timesfm==1.3.0 to install an older version of this package to load them.

Update - Sept. 15, 2025

TimesFM 2.5 is out!

Comparing to TimesFM 2.0, this new 2.5 model:

  • uses 200M parameters, down from 500M.
  • supports up to 16k context length, up from 2048.
  • supports continuous quantile forecast up to 1k horizon via an optional 30M quantile head.
  • gets rid of the frequency indicator.
  • has a couple of new forecasting flags.

Along with the model upgrade we have also upgraded the inference API. This repo will be under construction over the next few weeks to

  1. add support for an upcoming Flax version of the model (faster inference).
  2. add back covariate support.
  3. populate more docstrings, docs and notebook.

Install

TODO(siriuz42): Package timesfm==2.0.0 and upload to PyPI .

Run

git clone https://github.com/google-research/timesfm.git
cd timesfm
pip install -e .

Code Example

importtorchimportnumpyasnpimporttimesfmtorch.set_float32_matmul_precision("high")
model=timesfm.TimesFM_2p5_200M_torch.from_pretrained("google/timesfm-2.5-200m-pytorch")
model.compile(
timesfm.ForecastConfig(
max_context=1024,
max_horizon=256,
normalize_inputs=True,
use_continuous_quantile_head=True,
force_flip_invariance=True,
infer_is_positive=True,
fix_quantile_crossing=True,
)
)
point_forecast, quantile_forecast=model.forecast(
horizon=12,
inputs=[
np.linspace(0, 1, 100),
np.sin(np.linspace(0, 20, 67)),
], # Two dummy inputs
)
point_forecast.shape# (2, 12)quantile_forecast.shape# (2, 12, 10): mean, then 10th to 90th quantiles.

About

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

Resources

Stars

0 stars

Watchers

0 watching

Forks

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Remove or un-stick sticky/fixed headers that block content (function() { function unstick() { document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) { if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') { el.style.position = 'static'; el.style.top = 'auto'; el.style.zIndex = 'auto'; } }); } unstick(); var observer = new MutationObserver(unstick); observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] }); })(); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - TimeCopilot/timesfm: TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting. · GitHub
Skip to content

Repository files navigation

Disclaimer

This is a personal fork of timesfm, maintained to support custom changes for timecopilot and publish pypi wheels at timecopilot-timesfm. It may diverge from upstream.

Credits

This project is a fork of by Original Author(s).
All credit for the original code belongs to them. This fork is maintained independently to support TimeCopilot-specific changes.

TimesFM

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

This open version is not an officially supported Google product.

Latest Model Version: TimesFM 2.5

Archived Model Versions:

  • 1.0 and 2.0: relevant code archived in the sub directory v1. You can pip install timesfm==1.3.0 to install an older version of this package to load them.

Update - Sept. 15, 2025

TimesFM 2.5 is out!

Comparing to TimesFM 2.0, this new 2.5 model:

  • uses 200M parameters, down from 500M.
  • supports up to 16k context length, up from 2048.
  • supports continuous quantile forecast up to 1k horizon via an optional 30M quantile head.
  • gets rid of the frequency indicator.
  • has a couple of new forecasting flags.

Along with the model upgrade we have also upgraded the inference API. This repo will be under construction over the next few weeks to

  1. add support for an upcoming Flax version of the model (faster inference).
  2. add back covariate support.
  3. populate more docstrings, docs and notebook.

Install

TODO(siriuz42): Package timesfm==2.0.0 and upload to PyPI .

Run

git clone https://github.com/google-research/timesfm.git
cd timesfm
pip install -e .

Code Example

importtorchimportnumpyasnpimporttimesfmtorch.set_float32_matmul_precision("high")
model=timesfm.TimesFM_2p5_200M_torch.from_pretrained("google/timesfm-2.5-200m-pytorch")
model.compile(
timesfm.ForecastConfig(
max_context=1024,
max_horizon=256,
normalize_inputs=True,
use_continuous_quantile_head=True,
force_flip_invariance=True,
infer_is_positive=True,
fix_quantile_crossing=True,
)
)
point_forecast, quantile_forecast=model.forecast(
horizon=12,
inputs=[
np.linspace(0, 1, 100),
np.sin(np.linspace(0, 20, 67)),
], # Two dummy inputs
)
point_forecast.shape# (2, 12)quantile_forecast.shape# (2, 12, 10): mean, then 10th to 90th quantiles.

About

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

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Disclaimer

This is a personal fork of timesfm, maintained to support custom changes for timecopilot and publish pypi wheels at timecopilot-timesfm. It may diverge from upstream.

Credits

This project is a fork of by Original Author(s).
All credit for the original code belongs to them. This fork is maintained independently to support TimeCopilot-specific changes.

TimesFM

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

This open version is not an officially supported Google product.

Latest Model Version: TimesFM 2.5

Archived Model Versions:

  • 1.0 and 2.0: relevant code archived in the sub directory v1. You can pip install timesfm==1.3.0 to install an older version of this package to load them.

Update - Sept. 15, 2025

TimesFM 2.5 is out!

Comparing to TimesFM 2.0, this new 2.5 model:

  • uses 200M parameters, down from 500M.
  • supports up to 16k context length, up from 2048.
  • supports continuous quantile forecast up to 1k horizon via an optional 30M quantile head.
  • gets rid of the frequency indicator.
  • has a couple of new forecasting flags.

Along with the model upgrade we have also upgraded the inference API. This repo will be under construction over the next few weeks to

  1. add support for an upcoming Flax version of the model (faster inference).
  2. add back covariate support.
  3. populate more docstrings, docs and notebook.

Install

TODO(siriuz42): Package timesfm==2.0.0 and upload to PyPI .

Run

git clone https://github.com/google-research/timesfm.git
cd timesfm
pip install -e .

Code Example

importtorchimportnumpyasnpimporttimesfmtorch.set_float32_matmul_precision("high")
model=timesfm.TimesFM_2p5_200M_torch.from_pretrained("google/timesfm-2.5-200m-pytorch")
model.compile(
timesfm.ForecastConfig(
max_context=1024,
max_horizon=256,
normalize_inputs=True,
use_continuous_quantile_head=True,
force_flip_invariance=True,
infer_is_positive=True,
fix_quantile_crossing=True,
)
)
point_forecast, quantile_forecast=model.forecast(
horizon=12,
inputs=[
np.linspace(0, 1, 100),
np.sin(np.linspace(0, 20, 67)),
], # Two dummy inputs
)
point_forecast.shape# (2, 12)quantile_forecast.shape# (2, 12, 10): mean, then 10th to 90th quantiles.

About

TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.

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