release: 3.15.0

[openai-sdks]

Automated Release PR

3.15.0 (2026-09-16)

Features

• api: add compaction progress events (#3866) (98e1d24)

Bug Fixes

• preserve chat stream moderation results (#3864) (b77076d)

Documentation

• realtime: remove nonexistent type imports (#3869) (2971aaf)

---

This PR was generated with Release Please. See documentation.

[openai-sdks]

OkTest Summary

✅ 236/236 SDK tests passed in 8.337s for Python SDK PR #3870.

Test results — 42 files

Test	Result	Time
tests/chat-completions-complex-body.test.ts	✅ Passed	123ms
tests/chat-completions-create.test.ts	✅ Passed	165ms
tests/chat-completions-stream.test.ts	✅ Passed	116ms
tests/files-content-binary.test.ts	✅ Passed	166ms
tests/files-create-multipart.test.ts	✅ Passed	96ms
tests/files-list-pagination.test.ts	✅ Passed	117ms
tests/initialize-config.test.ts	✅ Passed	124ms
tests/instance-isolation.test.ts	✅ Passed	161ms
tests/models-list.test.ts	✅ Passed	97ms
tests/responses-background-lifecycle.test.ts	✅ Passed	138ms
tests/responses-body-method-errors.test.ts	✅ Passed	205ms
tests/responses-cancel-timeout.test.ts	✅ Passed	173ms
tests/responses-cancel.test.ts	✅ Passed	119ms
tests/responses-compact-retries.test.ts	✅ Passed	204ms
tests/responses-compact.test.ts	✅ Passed	171ms
tests/responses-create-advanced-stream.test.ts	✅ Passed	357ms
tests/responses-create-advanced.test.ts	✅ Passed	167ms
tests/responses-create-disconnect.test.ts	✅ Passed	1.068s
tests/responses-create-errors.test.ts	✅ Passed	222ms
tests/responses-create-malformed-api-responses.test.ts	✅ Passed	77ms
tests/responses-create-retries.test.ts	✅ Passed	174ms
tests/responses-create-stream-failures.test.ts	✅ Passed	82ms
tests/responses-create-stream-timeout.test.ts	✅ Passed	167ms
tests/responses-create-stream-wire.test.ts	✅ Passed	2.641s
tests/responses-create-stream.test.ts	✅ Passed	56ms
tests/responses-create-terminal-states.test.ts	✅ Passed	155ms
tests/responses-create-timeout.test.ts	✅ Passed	158ms
tests/responses-create.test.ts	✅ Passed	332ms
tests/responses-delete.test.ts	✅ Passed	139ms
tests/responses-input-items-errors.test.ts	✅ Passed	227ms
tests/responses-input-items-list.test.ts	✅ Passed	207ms
tests/responses-input-items-options.test.ts	✅ Passed	219ms
tests/responses-input-tokens-count-timeout.test.ts	✅ Passed	211ms
tests/responses-input-tokens-count.test.ts	✅ Passed	156ms
tests/responses-malformed-inputs.test.ts	✅ Passed	1.85s
tests/responses-not-found-errors.test.ts	✅ Passed	236ms
tests/responses-parse.test.ts	✅ Passed	238ms
tests/responses-retrieve-retries.test.ts	✅ Passed	168ms
tests/responses-retrieve.test.ts	✅ Passed	137ms
tests/responses-stored-method-errors.test.ts	✅ Passed	483ms
tests/retry-behavior.test.ts	✅ Passed	3.126s
tests/sdk-error-shape.test.ts	✅ Passed	221ms

View OkTest run #35119720360

_{SDK merge (fd0422762735) · head (60f6c73fa979) · base (b77076d23b6f) · OkTest (c6ef21c7db64)}

[github-actions]

Castiron custom code

✅ No new custom-code files detected.

46 mixed files remain; 0 existing customizations changed.

Compared b77076d23b6f → 60f6c73fa979. Generated baselines verified.

46 existing customizations unchanged

• api.md
• scripts/castiron/README.md
• scripts/castiron/custom_code_report.py
• scripts/castiron/test_custom_code_report.py
• src/openai/init.py
• src/openai/_client.py
• src/openai/resources/audio/transcriptions.py
• src/openai/resources/audio/translations.py
• src/openai/resources/beta/agents/sessions/sessions.py
• src/openai/resources/beta/beta.py
• src/openai/resources/beta/responses/responses.py
• src/openai/resources/beta/threads/runs/runs.py
• src/openai/resources/beta/threads/threads.py
• src/openai/resources/chat/completions/completions.py
• src/openai/resources/embeddings.py
• src/openai/resources/files.py
• src/openai/resources/live/forks.py
• src/openai/resources/live/live.py
• src/openai/resources/live/sideband.py
• src/openai/resources/realtime/api.md
• src/openai/resources/realtime/realtime.py
• src/openai/resources/responses/responses.py
• src/openai/resources/uploads/uploads.py
• src/openai/resources/vector_stores/file_batches.py
• src/openai/resources/vector_stores/files.py
• src/openai/resources/videos.py
• src/openai/resources/webhooks/init.py
• src/openai/resources/webhooks/webhooks.py
• src/openai/types/beta/agent_session_message.py
• src/openai/types/chat/init.py
• src/openai/types/chat/chat_completion_message_tool_call.py
• src/openai/types/fine_tuning/fine_tuning_job_integration.py
• src/openai/types/realtime/conversation_item_input_audio_transcription_delta_event.py
• src/openai/types/realtime/realtime_error_event.py
• src/openai/types/responses/init.py
• src/openai/types/responses/response.py
• src/openai/types/responses/response_function_web_search.py
• src/openai/types/responses/response_function_web_search_param.py
• src/openai/types/responses/responses_client_event.py
• src/openai/types/responses/responses_client_event_param.py

6 more in the full report.

A changed generated baseline means this report cannot reliably identify which handwritten lines changed.

Inspect the custom-code diff

Download the exact patch produced by this run (requires repository access):

gh run download 35119790561 --repo openai/openai-python \
  --name castiron-custom-code-35119790561-1 --dir /tmp/castiron-custom-code-35119790561-1
git apply --stat /tmp/castiron-custom-code-35119790561-1/custom-code.patch
cat /tmp/castiron-custom-code-35119790561-1/custom-code.patch

Or reproduce it from an SDK checkout containing the vendored reporter:

git fetch --no-tags origin b77076d23b6f3e34453b0fadd8cd2a001627e365 60f6c73fa9798fb19a36c47230c066ab6e17d062
python3 scripts/castiron/custom_code_report.py report \
  --base b77076d23b6f3e34453b0fadd8cd2a001627e365 \
  --head 60f6c73fa9798fb19a36c47230c066ab6e17d062 --fetch --require-head-hash --public \
  --out /tmp/castiron-custom-code-60f6c73fa979
cat /tmp/castiron-custom-code-60f6c73fa979/custom-code.patch

This is the current full custom patch for mixed files, not an attribution of only the handwritten lines changed by this PR.

Full report and patch