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fix(server-utils): Record output of non-streaming Workers AI chat-completion responses - #26175

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@andreiborza

@andreiborza andreiborza commented Nov 6, 2026 •

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What

Workers AI spans for responses in the OpenAI chat-completion format now record the output, finish reason, response id and model, both with and without streaming. These spans no longer set the deprecated gen_ai.response.text, so queries on it for streamed responses need to use gen_ai.output.messages.

Why

Newer models such as gemma-4 return choices, so non-streaming spans had token usage but no output.

Closes: #26120

…pletion responses

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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size-limit report 📦

Compared: e58bfd9 (PR test merge using develop at 3963e60)

Against: 3963e60 (develop) · base run #65264

✅ Baseline matches: this diff contains only this PR's changes.

Path Size % Change Change
@sentry/browser 29.92 kB - -
@sentry/browser - with treeshaking flags 28.08 kB - -
@sentry/browser - with treeshaking flags tracing without tracing 27.97 kB - -
@sentry/browser (incl. Tracing) 52.2 kB - -
@sentry/browser (incl. Tracing + Span Streaming) 52.22 kB - -
@sentry/browser (incl. Tracing, Profiling) 55.18 kB - -
@sentry/browser (incl. Tracing, Replay) 92.52 kB - -
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags 81.2 kB - -
@sentry/browser (incl. Tracing, Replay with Canvas) 97.25 kB - -
@sentry/browser (incl. Tracing, Replay, Feedback) 110.25 kB - -
@sentry/browser (incl. Feedback) 47.52 kB - -
@sentry/browser (incl. sendFeedback) 35.02 kB - -
@sentry/browser (incl. FeedbackAsync) 40.13 kB - -
@sentry/browser (incl. Metrics) 31.48 kB - -
@sentry/browser (incl. Logs) 31.77 kB - -
@sentry/browser (incl. Metrics & Logs) 32.45 kB - -
@sentry/react 31.78 kB - -
@sentry/react (incl. Tracing) 54.62 kB - -
@sentry/vue 38.24 kB - -
@sentry/vue (incl. Tracing) 55.24 kB - -
@sentry/svelte 29.95 kB - -
@sentry/remix (Remix 3 client bundle) 57.83 kB - -
CDN Bundle 31.72 kB - -
CDN Bundle (incl. Tracing) 52.81 kB - -
CDN Bundle (incl. Logs, Metrics) 34.52 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) 55.32 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) 75.9 kB - -
CDN Bundle (incl. Tracing, Replay) 90.98 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) 93.54 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) 97.11 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) 99.71 kB - -
CDN Bundle - uncompressed 92.76 kB - -
CDN Bundle (incl. Tracing) - uncompressed 155.77 kB - -
CDN Bundle (incl. Logs, Metrics) - uncompressed 101.29 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed 163.55 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed 232.85 kB - -
CDN Bundle (incl. Tracing, Replay) - uncompressed 277.46 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed 285.23 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed 291.17 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed 298.92 kB - -
@sentry/nextjs (client) 57.64 kB - -
@sentry/sveltekit (client) 52.73 kB - -
@sentry/core/server 43.81 kB - -
@sentry/core/browser 13.93 kB - -
@sentry/node 156.74 kB +0.02% +19 B 🔺
@sentry/node/import (ESM hook with diagnostics-channel injection) 82.28 kB - -
@sentry/node - without tracing 96.62 kB +0.03% +22 B 🔺
@sentry/node - without channel injection 137.06 kB +0.02% +21 B 🔺
@sentry/aws-serverless 105.28 kB +0.02% +19 B 🔺
@sentry/cloudflare (withSentry) - minified 200.82 kB +0.37% +728 B 🔺
@sentry/cloudflare (withSentry) 498.58 kB +0.3% +1.48 kB 🔺
@sentry/nextjs/cloudflare (withSentry) - minified 222.68 kB +0.33% +728 B 🔺

View base workflow run

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Workers AI integration drops output of non-streaming chat responses in the OpenAI format (choices)

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