release: 4.70.0

[openai-sdks]

Automated Release PR

4.70.0 (2026-09-27)

Features

• api: add access programs and credential metadata (#1088) (c197342)

Bug Fixes

• api: preserve plaintext and rich audio response models (#1083) (59d019d)

Chores

• api: clarify documented API error responses (#1089) (e929b50)
• api: document batch error responses (#1082) (840bb12)
• api: document fine-tuning and model errors (#1087) (2bfb718)
• api: document stored chat completion errors (#1086) (20d1235)

---

This PR was generated with Release Please. See documentation.

[openai-sdks]

OkTest Summary

✅ 236/236 SDK tests passed in 12.914s for Java SDK PR #1084.

Test results — 42 files

Test	Result	Time
tests/chat-completions-complex-body.test.ts	✅ Passed	171ms
tests/chat-completions-create.test.ts	✅ Passed	328ms
tests/chat-completions-stream.test.ts	✅ Passed	296ms
tests/files-content-binary.test.ts	✅ Passed	191ms
tests/files-create-multipart.test.ts	✅ Passed	173ms
tests/files-list-pagination.test.ts	✅ Passed	195ms
tests/initialize-config.test.ts	✅ Passed	82ms
tests/instance-isolation.test.ts	✅ Passed	110ms
tests/models-list.test.ts	✅ Passed	280ms
tests/responses-background-lifecycle.test.ts	✅ Passed	161ms
tests/responses-body-method-errors.test.ts	✅ Passed	444ms
tests/responses-cancel-timeout.test.ts	✅ Passed	223ms
tests/responses-cancel.test.ts	✅ Passed	206ms
tests/responses-compact-retries.test.ts	✅ Passed	323ms
tests/responses-compact.test.ts	✅ Passed	203ms
tests/responses-create-advanced-stream.test.ts	✅ Passed	460ms
tests/responses-create-advanced.test.ts	✅ Passed	949ms
tests/responses-create-disconnect.test.ts	✅ Passed	1.033s
tests/responses-create-errors.test.ts	✅ Passed	347ms
tests/responses-create-malformed-api-responses.test.ts	✅ Passed	384ms
tests/responses-create-retries.test.ts	✅ Passed	188ms
tests/responses-create-stream-failures.test.ts	✅ Passed	170ms
tests/responses-create-stream-timeout.test.ts	✅ Passed	207ms
tests/responses-create-stream-wire.test.ts	✅ Passed	4.81s
tests/responses-create-stream.test.ts	✅ Passed	500ms
tests/responses-create-terminal-states.test.ts	✅ Passed	246ms
tests/responses-create-timeout.test.ts	✅ Passed	194ms
tests/responses-create.test.ts	✅ Passed	559ms
tests/responses-delete.test.ts	✅ Passed	262ms
tests/responses-input-items-errors.test.ts	✅ Passed	199ms
tests/responses-input-items-list.test.ts	✅ Passed	259ms
tests/responses-input-items-options.test.ts	✅ Passed	158ms
tests/responses-input-tokens-count-timeout.test.ts	✅ Passed	175ms
tests/responses-input-tokens-count.test.ts	✅ Passed	169ms
tests/responses-malformed-inputs.test.ts	✅ Passed	3.771s
tests/responses-not-found-errors.test.ts	✅ Passed	268ms
tests/responses-parse.test.ts	✅ Passed	414ms
tests/responses-retrieve-retries.test.ts	✅ Passed	226ms
tests/responses-retrieve.test.ts	✅ Passed	177ms
tests/responses-stored-method-errors.test.ts	✅ Passed	893ms
tests/retry-behavior.test.ts	✅ Passed	3.441s
tests/sdk-error-shape.test.ts	✅ Passed	499ms

View OkTest run #36296244383

_{SDK merge (7df25d93a8fa) · head (880550c44bf5) · base (e929b504eb63) · OkTest (f9111d4e2fcd)}

[github-actions]

Castiron custom code

✅ No new custom-code files detected.

93 mixed files remain; 0 existing customizations changed.

Compared e929b504eb63 → 880550c44bf5. Generated baselines verified.

93 existing customizations unchanged

• openai-java-core/src/main/kotlin/com/openai/models/audio/AudioResponseFormat.kt
• openai-java-core/src/main/kotlin/com/openai/models/beta/agents/vaults/credentials/CredentialAuth.kt
• openai-java-core/src/main/kotlin/com/openai/models/beta/agents/vaults/credentials/CredentialAuthCreateParam.kt
• openai-java-core/src/main/kotlin/com/openai/models/beta/agents/vaults/credentials/CredentialAuthRotateParam.kt
• openai-java-core/src/main/kotlin/com/openai/models/beta/responses/BetaResponse.kt
• openai-java-core/src/main/kotlin/com/openai/models/beta/responses/BetaResponseStreamEvent.kt
• openai-java-core/src/main/kotlin/com/openai/models/beta/responses/BetaResponsesServerEvent.kt
• openai-java-core/src/main/kotlin/com/openai/models/chat/completions/ChatCompletionCreateParams.kt
• openai-java-core/src/main/kotlin/com/openai/models/chat/completions/ChatCompletionMessageFunctionToolCall.kt
• openai-java-core/src/main/kotlin/com/openai/models/chat/completions/ChatCompletionToolMessageParam.kt
• openai-java-core/src/main/kotlin/com/openai/models/embeddings/Embedding.kt
• openai-java-core/src/main/kotlin/com/openai/models/embeddings/EmbeddingCreateParams.kt
• openai-java-core/src/main/kotlin/com/openai/models/responses/Response.kt
• openai-java-core/src/main/kotlin/com/openai/models/responses/ResponseCreateParams.kt
• openai-java-core/src/main/kotlin/com/openai/models/responses/ResponseFunctionToolCall.kt
• openai-java-core/src/main/kotlin/com/openai/models/responses/ResponseFunctionWebSearch.kt
• openai-java-core/src/main/kotlin/com/openai/models/responses/ResponseInputItem.kt
• openai-java-core/src/main/kotlin/com/openai/models/responses/ResponseStreamEvent.kt
• openai-java-core/src/main/kotlin/com/openai/models/responses/ResponseTextConfig.kt
• openai-java-core/src/main/kotlin/com/openai/models/responses/ResponsesServerEvent.kt
• openai-java-core/src/main/kotlin/com/openai/models/videos/Video.kt
• openai-java-core/src/main/kotlin/com/openai/models/webhooks/UnwrapWebhookEvent.kt
• openai-java-core/src/main/kotlin/com/openai/models/webhooks/WebhookEndpointWithSecret.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/BetaServiceAsync.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/BetaServiceAsyncImpl.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/ImageServiceAsyncImpl.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/ResponseServiceAsync.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/ResponseServiceAsyncImpl.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/SkillServiceAsyncImpl.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/VideoServiceAsyncImpl.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/WebhookServiceAsync.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/WebhookServiceAsyncImpl.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/audio/TranscriptionServiceAsyncImpl.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/audio/TranslationServiceAsyncImpl.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/beta/agents/SessionServiceAsync.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/beta/agents/SessionServiceAsyncImpl.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/chat/ChatCompletionServiceAsync.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/finetuning/checkpoints/PermissionServiceAsyncImpl.kt
• openai-java-core/src/main/kotlin/com/openai/services/async/skills/VersionServiceAsyncImpl.kt
• openai-java-core/src/main/kotlin/com/openai/services/blocking/BetaService.kt

53 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 36296280751 --repo openai/openai-java \
  --name castiron-custom-code-36296280751-1 --dir /tmp/castiron-custom-code-36296280751-1
git apply --stat /tmp/castiron-custom-code-36296280751-1/custom-code.patch
cat /tmp/castiron-custom-code-36296280751-1/custom-code.patch

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

git fetch --no-tags origin e929b504eb6314c33cebc15d206988bd79481797 880550c44bf58737529e1d05d4ab94b4512632ef
python3 scripts/castiron/custom_code_report.py report \
  --base e929b504eb6314c33cebc15d206988bd79481797 \
  --head 880550c44bf58737529e1d05d4ab94b4512632ef --fetch --require-head-hash --public \
  --out /tmp/castiron-custom-code-880550c44bf5
cat /tmp/castiron-custom-code-880550c44bf5/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