fix(openai): preserve logprobs for streaming chat spans - #215

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Abhijeet Prasad (AbhiPrasad) merged 2 commits into
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abhi-fix-180-stream-logprobs
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fix(openai): preserve logprobs for streaming chat spans#215
Abhijeet Prasad (AbhiPrasad) merged 2 commits into
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abhi-fix-180-stream-logprobs

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@AbhiPrasadAbhijeet Prasad (AbhiPrasad) commented Apr 7, 2026

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Accumulate per-chunk logprob content and refusal entries when postprocessing chat completion streams so traced output matches non-streaming calls. Also read finish_reason from the streamed choice and add a VCR regression test for the wrapped sync path.

Closes#180

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Drop into this review session: sfk devbox connect pr-215-braintrust-sdk-python-2bd0 --attach

No serious bugs or issues found 🎉

@AbhiPrasadAbhijeet Prasad (AbhiPrasad) mentioned this pull request Apr 7, 2026
Merged
@AbhiPrasad
fix(openai): preserve logprobs for streaming chat spans
e2419e8
Accumulate per-chunk logprob content and refusal entries when
postprocessing chat completion streams so traced output matches
non-streaming calls. Also read finish_reason from the streamed
choice and add a VCR regression test for the wrapped sync path.
Closes#180
@AbhiPrasad
Abhijeet Prasad (AbhiPrasad) merged commit fef79f6 into mainApr 8, 2026
39 checks passed
@AbhiPrasad
Abhijeet Prasad (AbhiPrasad) deleted the abhi-fix-180-stream-logprobs branch April 8, 2026 16:38
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[BOT ISSUE] OpenAI: chat completions streaming discards logprobs from chunks

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try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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fix(openai): preserve logprobs for streaming chat spans - #215
Merged
Abhijeet Prasad (AbhiPrasad) merged 2 commits into
mainfrom 
abhi-fix-180-stream-logprobs
Apr 8, 2026
Merged
fix(openai): preserve logprobs for streaming chat spans#215
Abhijeet Prasad (AbhiPrasad) merged 2 commits into
mainfrom 
abhi-fix-180-stream-logprobs
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@AbhiPrasadAbhijeet Prasad (AbhiPrasad)
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Accumulate per-chunk logprob content and refusal entries when postprocessing chat completion streams so traced output matches non-streaming calls. Also read finish_reason from the streamed choice and add a VCR regression test for the wrapped sync path.
Closes#180
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Drop into this review session: sfk devbox connect pr-215-braintrust-sdk-python-2bd0 --attach
No serious bugs or issues found 🎉
@AbhiPrasadAbhijeet Prasad (AbhiPrasad)
mentioned this pull request
Apr 7, 2026
 Merged

@AbhiPrasad
fix(openai): preserve logprobs for streaming chat spans
e2419e8
Accumulate per-chunk logprob content and refusal entries when
postprocessing chat completion streams so traced output matches
non-streaming calls. Also read finish_reason from the streamed
choice and add a VCR regression test for the wrapped sync path.
Closes#180
@AbhiPrasad
Abhijeet Prasad (AbhiPrasad)
merged commit fef79f6
into
mainApr 8, 2026

39 checks passed

@AbhiPrasad
Abhijeet Prasad (AbhiPrasad)
deleted the

abhi-fix-180-stream-logprobs

branch
April 8, 2026 16:38
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[BOT ISSUE] OpenAI: chat completions streaming discards logprobs from chunks


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, 'i');
if (__m === '*' || __re.test(location.href)) {
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style.textContent = '
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try {
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fix(openai): preserve logprobs for streaming chat spans - #215
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Abhijeet Prasad (AbhiPrasad) merged 2 commits into
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abhi-fix-180-stream-logprobs
Apr 8, 2026
Merged
fix(openai): preserve logprobs for streaming chat spans#215
Abhijeet Prasad (AbhiPrasad) merged 2 commits into
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abhi-fix-180-stream-logprobs
Conversation
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@AbhiPrasadAbhijeet Prasad (AbhiPrasad)
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Accumulate per-chunk logprob content and refusal entries when postprocessing chat completion streams so traced output matches non-streaming calls. Also read finish_reason from the streamed choice and add a VCR regression test for the wrapped sync path.
Closes#180
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Drop into this review session: sfk devbox connect pr-215-braintrust-sdk-python-2bd0 --attach
No serious bugs or issues found 🎉
@AbhiPrasadAbhijeet Prasad (AbhiPrasad)
mentioned this pull request
Apr 7, 2026
 Merged

@AbhiPrasad
fix(openai): preserve logprobs for streaming chat spans
e2419e8
Accumulate per-chunk logprob content and refusal entries when
postprocessing chat completion streams so traced output matches
non-streaming calls. Also read finish_reason from the streamed
choice and add a VCR regression test for the wrapped sync path.
Closes#180
@AbhiPrasad
Abhijeet Prasad (AbhiPrasad)
merged commit fef79f6
into
mainApr 8, 2026

39 checks passed

@AbhiPrasad
Abhijeet Prasad (AbhiPrasad)
deleted the

abhi-fix-180-stream-logprobs

branch
April 8, 2026 16:38
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[BOT ISSUE] OpenAI: chat completions streaming discards logprobs from chunks


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@AbhiPrasad@lforst

, 'i');
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})();
(function(){
try {
var __m = "*";
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Skip to content
fix(openai): preserve logprobs for streaming chat spans - #215
Merged
Abhijeet Prasad (AbhiPrasad) merged 2 commits into
mainfrom 
abhi-fix-180-stream-logprobs
Apr 8, 2026
Merged
fix(openai): preserve logprobs for streaming chat spans#215
Abhijeet Prasad (AbhiPrasad) merged 2 commits into
mainfrom 
abhi-fix-180-stream-logprobs
Conversation
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@AbhiPrasadAbhijeet Prasad (AbhiPrasad)
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Accumulate per-chunk logprob content and refusal entries when postprocessing chat completion streams so traced output matches non-streaming calls. Also read finish_reason from the streamed choice and add a VCR regression test for the wrapped sync path.
Closes#180
@starfolkai
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Apr 7, 2026

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Drop into this review session: sfk devbox connect pr-215-braintrust-sdk-python-2bd0 --attach
No serious bugs or issues found 🎉
@AbhiPrasadAbhijeet Prasad (AbhiPrasad)
mentioned this pull request
Apr 7, 2026
 Merged

@AbhiPrasad
fix(openai): preserve logprobs for streaming chat spans
e2419e8
Accumulate per-chunk logprob content and refusal entries when
postprocessing chat completion streams so traced output matches
non-streaming calls. Also read finish_reason from the streamed
choice and add a VCR regression test for the wrapped sync path.
Closes#180
@AbhiPrasad
Abhijeet Prasad (AbhiPrasad)
merged commit fef79f6
into
mainApr 8, 2026

39 checks passed

@AbhiPrasad
Abhijeet Prasad (AbhiPrasad)
deleted the

abhi-fix-180-stream-logprobs

branch
April 8, 2026 16:38
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[BOT ISSUE] OpenAI: chat completions streaming discards logprobs from chunks


2 participants

@AbhiPrasad@lforst

, 'i');
if (__m === '*' || __re.test(location.href)) {
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(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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fix(openai): preserve logprobs for streaming chat spans - #215
Merged
Abhijeet Prasad (AbhiPrasad) merged 2 commits into
mainfrom 
abhi-fix-180-stream-logprobs
Apr 8, 2026
Merged
fix(openai): preserve logprobs for streaming chat spans#215
Abhijeet Prasad (AbhiPrasad) merged 2 commits into
mainfrom 
abhi-fix-180-stream-logprobs
Conversation
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@AbhiPrasadAbhijeet Prasad (AbhiPrasad)
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Accumulate per-chunk logprob content and refusal entries when postprocessing chat completion streams so traced output matches non-streaming calls. Also read finish_reason from the streamed choice and add a VCR regression test for the wrapped sync path.
Closes#180
@starfolkai
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Drop into this review session: sfk devbox connect pr-215-braintrust-sdk-python-2bd0 --attach
No serious bugs or issues found 🎉
@AbhiPrasadAbhijeet Prasad (AbhiPrasad)
mentioned this pull request
Apr 7, 2026
 Merged

@AbhiPrasad
fix(openai): preserve logprobs for streaming chat spans
e2419e8
Accumulate per-chunk logprob content and refusal entries when
postprocessing chat completion streams so traced output matches
non-streaming calls. Also read finish_reason from the streamed
choice and add a VCR regression test for the wrapped sync path.
Closes#180
@AbhiPrasad
Abhijeet Prasad (AbhiPrasad)
merged commit fef79f6
into
mainApr 8, 2026

39 checks passed

@AbhiPrasad
Abhijeet Prasad (AbhiPrasad)
deleted the

abhi-fix-180-stream-logprobs

branch
April 8, 2026 16:38
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[BOT ISSUE] OpenAI: chat completions streaming discards logprobs from chunks


2 participants

@AbhiPrasad@lforst

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
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function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
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})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix(openai): preserve logprobs for streaming chat spans - #215
Merged
Abhijeet Prasad (AbhiPrasad) merged 2 commits into
mainfrom 
abhi-fix-180-stream-logprobs
Apr 8, 2026
Merged
fix(openai): preserve logprobs for streaming chat spans#215
Abhijeet Prasad (AbhiPrasad) merged 2 commits into
mainfrom 
abhi-fix-180-stream-logprobs
Conversation
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@AbhiPrasadAbhijeet Prasad (AbhiPrasad)
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Accumulate per-chunk logprob content and refusal entries when postprocessing chat completion streams so traced output matches non-streaming calls. Also read finish_reason from the streamed choice and add a VCR regression test for the wrapped sync path.
Closes#180
@starfolkai
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Drop into this review session: sfk devbox connect pr-215-braintrust-sdk-python-2bd0 --attach
No serious bugs or issues found 🎉
@AbhiPrasadAbhijeet Prasad (AbhiPrasad)
mentioned this pull request
Apr 7, 2026
 Merged

@AbhiPrasad
fix(openai): preserve logprobs for streaming chat spans
e2419e8
Accumulate per-chunk logprob content and refusal entries when
postprocessing chat completion streams so traced output matches
non-streaming calls. Also read finish_reason from the streamed
choice and add a VCR regression test for the wrapped sync path.
Closes#180
@AbhiPrasad
Abhijeet Prasad (AbhiPrasad)
merged commit fef79f6
into
mainApr 8, 2026

39 checks passed

@AbhiPrasad
Abhijeet Prasad (AbhiPrasad)
deleted the

abhi-fix-180-stream-logprobs

branch
April 8, 2026 16:38
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[BOT ISSUE] OpenAI: chat completions streaming discards logprobs from chunks


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, 'i');
if (__m === '*' || __re.test(location.href)) {
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})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix(openai): preserve logprobs for streaming chat spans - #215
Merged
Abhijeet Prasad (AbhiPrasad) merged 2 commits into
mainfrom 
abhi-fix-180-stream-logprobs
Apr 8, 2026
Merged
fix(openai): preserve logprobs for streaming chat spans#215
Abhijeet Prasad (AbhiPrasad) merged 2 commits into
mainfrom 
abhi-fix-180-stream-logprobs
Conversation
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Accumulate per-chunk logprob content and refusal entries when postprocessing chat completion streams so traced output matches non-streaming calls. Also read finish_reason from the streamed choice and add a VCR regression test for the wrapped sync path.
Closes#180
@starfolkai
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Apr 7, 2026

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Drop into this review session: sfk devbox connect pr-215-braintrust-sdk-python-2bd0 --attach
No serious bugs or issues found 🎉
@AbhiPrasadAbhijeet Prasad (AbhiPrasad)
mentioned this pull request
Apr 7, 2026
 Merged

@AbhiPrasad
fix(openai): preserve logprobs for streaming chat spans
e2419e8
Accumulate per-chunk logprob content and refusal entries when
postprocessing chat completion streams so traced output matches
non-streaming calls. Also read finish_reason from the streamed
choice and add a VCR regression test for the wrapped sync path.
Closes#180
@AbhiPrasad
Abhijeet Prasad (AbhiPrasad)
merged commit fef79f6
into
mainApr 8, 2026

39 checks passed

@AbhiPrasad
Abhijeet Prasad (AbhiPrasad)
deleted the

abhi-fix-180-stream-logprobs

branch
April 8, 2026 16:38
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[BOT ISSUE] OpenAI: chat completions streaming discards logprobs from chunks


2 participants

@AbhiPrasad@lforst

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
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var enabled = true;
function applyDarkMode() {
if (!enabled) return;
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style = document.createElement('style');
style.id = 'universal-dark-mode-style';
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filter: invert(1) hue-rotate(180deg) !important;
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})();

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fix(openai): preserve logprobs for streaming chat spans - #215
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Abhijeet Prasad (AbhiPrasad) merged 2 commits into
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abhi-fix-180-stream-logprobs
Apr 8, 2026
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fix(openai): preserve logprobs for streaming chat spans#215
Abhijeet Prasad (AbhiPrasad) merged 2 commits into
mainfrom 
abhi-fix-180-stream-logprobs
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@AbhiPrasadAbhijeet Prasad (AbhiPrasad)
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Apr 7, 2026

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Accumulate per-chunk logprob content and refusal entries when postprocessing chat completion streams so traced output matches non-streaming calls. Also read finish_reason from the streamed choice and add a VCR regression test for the wrapped sync path.
Closes#180
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Apr 7, 2026

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Drop into this review session: sfk devbox connect pr-215-braintrust-sdk-python-2bd0 --attach
No serious bugs or issues found 🎉
@AbhiPrasadAbhijeet Prasad (AbhiPrasad)
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Apr 7, 2026
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fix(openai): preserve logprobs for streaming chat spans
e2419e8
Accumulate per-chunk logprob content and refusal entries when
postprocessing chat completion streams so traced output matches
non-streaming calls. Also read finish_reason from the streamed
choice and add a VCR regression test for the wrapped sync path.
Closes#180
@AbhiPrasad
Abhijeet Prasad (AbhiPrasad)
merged commit fef79f6
into
mainApr 8, 2026

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@AbhiPrasad
Abhijeet Prasad (AbhiPrasad)
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abhi-fix-180-stream-logprobs

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April 8, 2026 16:38
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@lforstLuca Forstner (lforst)lforst approved these changes
@viadezo1erCedric / ViaDézo1er (viadezo1er)Awaiting requested review from viadezo1er

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[BOT ISSUE] OpenAI: chat completions streaming discards logprobs from chunks


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