release: 0.5.0-alpha.3

[stainless-app]

Automated Release PR

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)

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🔗 Stainless website
📚 Read the docs
🙋 Reach out for help or questions

[stainless-app]

🧪 Testing

To try out this version of the SDK:

npm install 'https://pkg.stainless.com/s/llama-stack-client-node/1536e1a3e089cfe08582f044394f94c97dc7d60b/dist.tar.gz'

Expires at: Sat, 02 May 2026 12:55:55 GMT
Updated at: Thu, 02 Apr 2026 12:55:55 GMT

[stainless-app]

🤖 Release is at https://github.com/llamastack/llama-stack-client-typescript/releases/tag/v0.5.0-alpha.3 🌻