v1.1.0-alpha.7

1.1.0-alpha.7 (2026-06-16)

Full Changelog: v1.1.0-alpha.6...v1.1.0-alpha.7

Features

• files: fix Files API gaps for OpenAI spec parity (e91f536)

v1.1.0-alpha.6

1.1.0-alpha.6 (2026-06-11)

Full Changelog: v0.5.0-alpha.5...v1.1.0-alpha.6

⚠ BREAKING CHANGES

• api: add post-generation schema transforms for Responses API conformance

Features

• responses: add WebSocket transport and fix OpenResponses conformance gaps (e0d391f)

Bug Fixes

• api: add post-generation schema transforms for Responses API conformance (59d5f80)
• api: eliminate schema mismatches in Responses compact endpoint (5fbd955)
• api: fix field-level schema mismatches in Responses models (a4364a3)
• brave-search: align result slicing with search_context_size count (0b0984e)

v0.5.0-alpha.5

0.5.0-alpha.5 (2026-05-12)

Full Changelog: v0.5.0-alpha.4...v0.5.0-alpha.5

⚠ BREAKING CHANGES

• multi-SDK response shapes for /v1/models
• remove Safety/Shields API and all connected code

Features

• conversations: enhance OpenAI API coverage for conversations (d866138)
• Deprecate safety shields (00e1286)
• files: enhance OpenAI API coverage for Files API (cdd15ad)
• inference: add chat completion message listing endpoint. (614987c)
• multi-SDK response shapes for /v1/models (b29614b)

Bug Fixes

• change logprobs type from bool to int in Completions endpoint (567f3ec)

Refactors

• remove Safety/Shields API and all connected code (13ecf30)

v0.5.0-alpha.4

0.5.0-alpha.4 (2026-04-30)

Full Changelog: v0.5.0-alpha.3...v0.5.0-alpha.4

⚠ BREAKING CHANGES

• remove nullable annotations from Responses fields to match OpenAI spec
• remove deprecated Eval API and related APIs

Features

• add conversation compaction support to Responses API (5b4425c)
• add spec-compliant streaming error event for Responses API (6b4d9b5)
• api: api update (c2a3765)
• support setting headers via env (39ef512)

Bug Fixes

• docs: add missing sidebar icons and fix 404s for API tags (34c6790)
• docs: remove dead API links and add missing OpenAPI tags (1095866)
• improve OpenAI API conformance by keeping type object on schemas (84bd66a)
• improve OpenAI API conformance for Models and Files (c9eb2ce)
• improve Vector Stores OpenAI API conformance (18e5038)
• remove nullable annotations from Responses fields to match OpenAI spec (547134c)

Chores

• internal: codegen related update (5df4304)
• internal: more robust bootstrap script (3c1fa52)
• tests: bump steady to v0.22.1 (d57d443)
• update SDK settings (f20b30d)

Refactors

• remove deprecated Eval API and related APIs (bc494d4)

v0.5.0-alpha.3

0.5.0-alpha.3 (2026-04-02)

Full Changelog: v0.5.0-alpha.2...v0.5.0-alpha.3

⚠ BREAKING CHANGES

• eliminate GET /chat/completions/{completion_id} conformance issues
• rename agents API to responses API
• eliminate /files/{file_id} GET differences
• improve consistency of post-training API endpoints

Features

• accept list content blocks in Responses API function_call_output (9a2e825)
• Add prompt_cache_key parameter support (e6399ef)
• add reasoning as valid conversation item (25df02e)
• add reasoning output types to OpenAI Responses API spec (652e5db)
• add skip_model_availability to openai_mixin for remote models (51a4f50)
• Add stream_options parameter support (992f337)
• add support for 'frequency_penalty' param to Responses API (c0a5753)
• add support for 'presence_penalty' param to Responses API (8a1b472)
• add support for /responses background parameter (c7e9581)
• Add top_logprobs parameter support (1ff427f)
• add top_p parameter support to responses API (76bacd4)
• Add truncation parameter support (3119d6b)
• api: support extra_body pass-through in responses API (d707494)
• eliminate /files/{file_id} GET differences (d5595b1)
• eliminate GET /chat/completions/{completion_id} conformance issues (1536e1a)
• improve consistency of post-training API endpoints (93376fc)
• inference: bidirectional reasoning token passthrough for chat completions (cd3c600)
• responses: add cancel endpoint for background responses (df4292b)
• vector_io: Implement Contextual Retrieval for improved RAG search quality (abf9c27)

Bug Fixes

• align chat completion usage schema with OpenAI spec (6fa6eb8)
• client: preserve URL params already embedded in path (2bd57de)
• docs/contributing: correct pnpm link command (8aa7f85)
• fix request delays for retrying to be more respectful of high requested delays (0b0080a)
• inference: improve chat completions OpenAI conformance (eb6414c)
• inference: use flat response message model for chat/completions (d7033cd)
• remove duplicate dataset_id parameter in append-rows endpoint (fe105ab)
• responses: achieve full OpenResponses conformance — 6/6 tests passing (6537552)
• stainless: handle [DONE] SSE terminator in streaming responses (3f9d067)
• vector_io: align Protocol signatures with request models (11a1a20)

Chores

• api: minor updates (1286b39)
• ci: skip lint on metadata-only changes (7a0e6aa)
• ci: skip uploading artifacts on stainless-internal branches (b6ec8ca)
• docs: add missing descriptions (a1ed726)
• internal: avoid type checking errors with ts-reset (2cffe20)
• internal: codegen related update (4feb3b7)
• internal: move stringifyQuery implementation to internal function (03a5b05)
• internal: tweak CI branches (cb4c926)
• internal: update gitignore (651b312)
• internal: update multipart form array serialization (a2245ee)
• test: do not count install time for mock server timeout (bfb35fe)
• tests: bump steady to v0.19.4 (877e07d)
• tests: bump steady to v0.19.5 (d05e2db)
• tests: bump steady to v0.19.6 (acf26c0)
• tests: bump steady to v0.19.7 (216ce02)
• tests: bump steady to v0.20.1 (502633c)
• tests: bump steady to v0.20.2 (fa7a238)
• update mock server docs (0d438e8)
• update placeholder string (62e1d34)

Refactors

• remove deprecated register/unregister model endpoints (1247b1d)
• remove fine_tuning API (81f12ca)
• remove tool_groups from public API and auto-register from provider specs (07f07b3)
• rename agents API to responses API (0d16ccc)
• rename rag-runtime provider to file-search (5e73282)
• tests: switch from prism to steady (2e25672)

v0.5.0-alpha.2

0.5.0-alpha.2 (2026-02-05)

Full Changelog: v0.4.0-alpha.7...v0.5.0-alpha.2

Features

• add support for tool_choice to repsponses api (8170d7f)
• Adds support for the safety_identifier parameter (db2ebc6)
• api: add readonly connectors API (c810c19)
• convert Benchmarks API to use FastAPI router (bcc19bb)
• convert Datasets API to use FastAPI router (a52b7ee)
• Implement include parameter specifically for adding logprobs in the output message (01f0ba8)
• introduce /admin API for stack administration and operations (2c9e2ab)
• migrate Inspect API to FastAPI router (79f8d87)
• migrate Providers API to FastAPI router pattern (22f7cf6)

Bug Fixes

• mcp: correct code tool API endpoint (6006307)
• mcp: return correct lines on typescript errors (368f4b5)

Chores

• break long lines in snippets into multiline (a3f9a49)
• ci: upgrade actions/github-script (8d32768)
• clarify use of yarn for development and npm/yarn/pnpm for users (#51) (b413eed)
• internal: codegen related update (c12b19b)
• internal: codegen related update (db8b76f)
• internal: codegen related update (9d4ee0f)
• internal: codegen related update (b5ea21d)
• internal: codegen related update (d199aff)
• internal: update actions/checkout version (fe86770)
• internal: upgrade babel, qs, js-yaml (d318482)

Documentation

• add more examples (cc58d0d)

v0.4.0-alpha.7

0.4.0-alpha.7 (2025-12-03)

Full Changelog: v0.4.0-alpha.6...v0.4.0-alpha.7

⚠ BREAKING CHANGES

• replace output_text property with getResponseOutputText helper (#48)

Features

• add output_text property on Response object (#42) (bced728)
• add integration tests CI workflow (#49) (5675ef1)
• Add metadata field to request and response (fdf65b2)
• api: deprecate toolgroup and tool_runtime apis (3f75ac5)
• Implement FastAPI router system (ea26c3e)
• replace output_text property with getResponseOutputText helper (#48) (53e799e)

Bug Fixes

• add test for the exported symbol (e78b187)
• client: fix issue with duplicate definitions in Go (48d4f16)
• Pydantic validation error with list-type metadata in vector search (#3797) (e1c40d2)

v0.4.0-alpha.6

0.4.0-alpha.6 (2025-11-18)

Full Changelog: v0.4.0-alpha.5...v0.4.0-alpha.6

Features

• Wire through parallel_tool_calls to Responses API (3b91f14)

v0.4.0-alpha.5

0.4.0-alpha.5 (2025-11-17)

Full Changelog: v0.4.0-alpha.4...v0.4.0-alpha.5

Bug Fixes

• openapi: restore embedded request wrappers (b5604d7)

v0.4.0-alpha.4

0.4.0-alpha.4 (2025-11-14)

Full Changelog: v0.4.0-alpha.3...v0.4.0-alpha.4

Bug Fixes

• ci: release doctor workflow had a typo (c2417e3)

Chores

• use Pydantic to generate OpenAPI schema (264cd8d)