2.29.0 (2026-03-17)

Full Changelog: v2.28.0...v2.29.0

Features

• api: 5.4 nano and mini model slugs (3b45666)
• api: add /v1/videos endpoint to batches create method (c0e7a16)
• api: add defer_loading field to ToolFunction (3167595)
• api: add in and nin operators to ComparisonFilter type (664f02b)

Bug Fixes

• deps: bump minimum typing-extensions version (a2fb2ca)
• pydantic: do not pass by_alias unless set (8ebe8fb)

Chores

• internal: tweak CI branches (96ccc3c)

2.28.0 (2026-03-13)

Full Changelog: v2.27.0...v2.28.0

Features

• api: custom voices (50dc060)

2.27.0 (2026-03-13)

Full Changelog: v2.26.0...v2.27.0

Features

• api: api update (60ab24a)
• api: manual updates (b244b09)
• api: manual updates (d806635)
• api: sora api improvements: character api, video extensions/edits, higher resolution exports. (58b70d3)

Bug Fixes

• api: repair merged videos resource (742d8ee)

Chores

• internal: codegen related update (4e6498e)
• internal: codegen related update (93af129)
• match http protocol with ws protocol instead of wss (026f9de)
• use proper capitalization for WebSockets (a2f9b07)

2.26.0 (2026-03-05)

Full Changelog: v2.25.0...v2.26.0

Features

• api: The GA ComputerTool now uses the CompuerTool class. The 'computer_use_preview' tool is moved to ComputerUsePreview (78f5b3c)

2.25.0 (2026-03-05)

Full Changelog: v2.24.0...v2.25.0

Features

• api: gpt-5.4, tool search tool, and new computer tool (6b2043f)
• api: remove prompt_cache_key param from responses, phase field from message types (44fb382)

Bug Fixes

• api: internal schema fixes (0c0f970)
• api: manual updates (9fc323f)
• api: readd phase (1b27b5a)

Chores

• internal: codegen related update (bdb837d)
• internal: codegen related update (b1de941)
• internal: reduce warnings (7cdbd06)

2.24.0 (2026-02-24)

Full Changelog: v2.23.0...v2.24.0

Features

• api: add phase (391deb9)

Bug Fixes

• api: fix phase enum (42ebf7c)
• api: phase docs (7ddc61c)

Chores

• internal: make test_proxy_environment_variables more resilient to env (65af8fd)
• internal: refactor sse event parsing (2344600)

2.23.0 (2026-02-24)

Full Changelog: v2.22.0...v2.23.0

Features

• api: add gpt-realtime-1.5 and gpt-audio-1.5 model options to realtime calls (3300b61)

Chores

• internal: make test_proxy_environment_variables more resilient (6b441e2)

2.22.0 (2026-02-23)

Full Changelog: v2.21.0...v2.22.0

Features

• api: websockets for responses api (c01f6fb)

Chores

• internal: add request options to SSE classes (cdb4315)
• update mock server docs (91f4da8)

Documentation

• api: add batch size limit to file_batches parameter descriptions (16ae76a)
• api: enhance method descriptions across audio, chat, realtime, skills, uploads, videos (21f9e5a)
• api: update safety_identifier documentation in chat completions and responses (d74bfff)

2.21.0 (2026-02-13)

Full Changelog: v2.20.0...v2.21.0

Features

• api: container network_policy and skills (d19de2e)

Bug Fixes

• structured outputs: resolve memory leak in parse methods (#2860) (6dcbe21)
• webhooks: preserve method visibility for compatibility checks (44a8936)

Chores

• internal: fix lint error on Python 3.14 (534f215)

Documentation

• split api.md by standalone resources (96e41b3)
• update comment (63def23)

2.20.0 (2026-02-10)

Full Changelog: v2.19.0...v2.20.0

Features

• api: support for images in batch api (28edb6e)