v0.6.1-alpha.1

0.6.1-alpha.1 (2026-03-13)

accept list content blocks in Responses API function_call_output (f6f1fc3)
Add prompt_cache_key parameter support (6b45699)
add skip_model_availability to openai_mixin for remote models (7ef952b)
add support for 'frequency_penalty' param to Responses API (56d39cc)
add support for 'presence_penalty' param to Responses API (4f57d15)
add support for /responses background parameter (4f8bf45)
Add top_logprobs parameter support (2196986)
add top_p parameter support to responses API (23e3b9f)
Add truncation parameter support (7501365)
improve consistency of post-training API endpoints (99057fd)
inference: bidirectional reasoning token passthrough for chat completions (c314639)
vector_io: Implement Contextual Retrieval for improved RAG search quality (89ec5a7)

align chat completion usage schema with OpenAI spec (3974d5d)
Enabled models list works (#314) (acd5e64)
inference: use flat response message model for chat/completions (e58e2e4)
responses: achieve full OpenResponses conformance — 6/6 tests passing (631ab2c)
stainless: handle [DONE] SSE terminator in streaming responses (17f0029)
vector_io: align Protocol signatures with request models (ea58fd8)

api: minor updates (17a2705)
ci: bump uv version (f014d4c)
ci: skip uploading artifacts on stainless-internal branches (dbddad9)
docs: add missing descriptions (f1a093b)
format all api.md files (0e3e262)
internal: add request options to SSE classes (2ecc682)
internal: bump dependencies (612291e)
internal: fix lint error on Python 3.14 (a0f6975)
internal: make test_proxy_environment_variables more resilient (6bc2bb4)
internal: make test_proxy_environment_variables more resilient to env (44bbae1)
test: do not count install time for mock server timeout (185de33)
update mock server docs (92cb087)
update placeholder string (406b9bb)