release: 2.48.0

[stainless-app]

Automated Release PR

2.48.0 (2026-07-22)

Full Changelog: v2.47.0...v2.48.0

Features

• api: accept None for prompt_cache_key/safety_identifier (36820e6)

---

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The semver version number is based on included commit messages. Alternatively, you can manually set the version number in the title of this pull request.

For a better experience, it is recommended to use either rebase-merge or squash-merge when merging this pull request.

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[openai-sdks]

OkTest Summary

✅ 237/237 SDK tests passed in 12.463s for Python SDK PR #3527.

Test results — 42 files

Test	Result	Time
tests/chat-completions-complex-body.test.ts	✅ Passed	199ms
tests/chat-completions-create.test.ts	✅ Passed	264ms
tests/chat-completions-stream.test.ts	✅ Passed	148ms
tests/files-content-binary.test.ts	✅ Passed	269ms
tests/files-create-multipart.test.ts	✅ Passed	258ms
tests/files-list-pagination.test.ts	✅ Passed	209ms
tests/initialize-config.test.ts	✅ Passed	201ms
tests/instance-isolation.test.ts	✅ Passed	252ms
tests/models-list.test.ts	✅ Passed	178ms
tests/responses-background-lifecycle.test.ts	✅ Passed	286ms
tests/responses-body-method-errors.test.ts	✅ Passed	374ms
tests/responses-cancel-timeout.test.ts	✅ Passed	244ms
tests/responses-cancel.test.ts	✅ Passed	254ms
tests/responses-compact-retries.test.ts	✅ Passed	374ms
tests/responses-compact.test.ts	✅ Passed	351ms
tests/responses-create-advanced-stream.test.ts	✅ Passed	146ms
tests/responses-create-advanced.test.ts	✅ Passed	288ms
tests/responses-create-disconnect.test.ts	✅ Passed	1.379s
tests/responses-create-errors.test.ts	✅ Passed	232ms
tests/responses-create-malformed-api-responses.test.ts	✅ Passed	258ms
tests/responses-create-retries.test.ts	✅ Passed	310ms
tests/responses-create-stream-failures.test.ts	✅ Passed	143ms
tests/responses-create-stream-timeout.test.ts	✅ Passed	229ms
tests/responses-create-stream-wire.test.ts	✅ Passed	3.942s
tests/responses-create-stream.test.ts	✅ Passed	357ms
tests/responses-create-terminal-states.test.ts	✅ Passed	280ms
tests/responses-create-timeout.test.ts	✅ Passed	258ms
tests/responses-create.test.ts	✅ Passed	350ms
tests/responses-delete.test.ts	✅ Passed	232ms
tests/responses-input-items-errors.test.ts	✅ Passed	363ms
tests/responses-input-items-list.test.ts	✅ Passed	355ms
tests/responses-input-items-options.test.ts	✅ Passed	400ms
tests/responses-input-tokens-count-timeout.test.ts	✅ Passed	272ms
tests/responses-input-tokens-count.test.ts	✅ Passed	279ms
tests/responses-malformed-inputs.test.ts	✅ Passed	3.059s
tests/responses-not-found-errors.test.ts	✅ Passed	301ms
tests/responses-parse.test.ts	✅ Passed	465ms
tests/responses-retrieve-retries.test.ts	✅ Passed	324ms
tests/responses-retrieve.test.ts	✅ Passed	384ms
tests/responses-stored-method-errors.test.ts	✅ Passed	793ms
tests/retry-behavior.test.ts	✅ Passed	3.293s
tests/sdk-error-shape.test.ts	✅ Passed	383ms

View OkTest run #29956526813

_{SDK merge (dc91690664e9) · head (5029f1ff70c3) · base (e67afa88433d) · OkTest (d2b5921fc22a)}