OpenAI

2.24.0 (2026-02-24) Full Changelog: v2.23.0...v2.24.0 Features api: add phase (391deb9) Bug Fixes api: fix phas

6.25.0 (2026-02-24) Full Changelog: v6.24.0...v6.25.0 Features api: add phase (e32b853) Bug Fixes api: fix phase en

6.24.0 (2026-02-24) Full Changelog: v6.23.0...v6.24.0 Features * api: add gpt-realtime-1.5 and gpt-audio-1.5 models to realtime ([75875bf](

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](

2.22.0 (2026-02-23) Full Changelog: v2.21.0...v2.22.0 Features api: websockets for responses api (c01f6fb) Chores *

6.23.0 (2026-02-23) Full Changelog: v6.22.0...v6.23.0 Features api: websockets for responses api (c6b96b8) Bug Fixes **

6.22.0 (2026-02-14) Full Changelog: v6.21.0...v6.22.0 Features * api: container network_policy and skills (65c1482) Bug Fixe

2.21.0 (2026-02-13) Full Changelog: v2.20.0...v2.21.0 Features * api: container network_policy and skills (d19de2e) Bug

GPT-5.2 is the latest model family in the GPT-5 series. The comprehensive safety mitigation approach for these models is largely the same as that described in the GPT-5 System Card and GPT-5.1 System…

OpenAI is a non-profit artificial intelligence research company. Our goal is to advance digital intelligence in the way that is most likely to benefit humanity as a whole, unconstrained by a need to g…

GPT‑5.3-Codex is the most capable agentic coding model to date, combining the frontier coding performance of GPT‑5.2-Codex with the reasoning and professional knowledge capabilities of GPT‑5.2.

2.20.0 (2026-02-10) Full Changelog: v2.19.0...v2.20.0 Features * api: support for images in batch api (28edb6e)

6.21.0 (2026-02-10) Full Changelog: v6.20.0...v6.21.0 Features * api: support for images in batch api (017ba1c)

2.19.0 (2026-02-10) Full Changelog: v2.18.0...v2.19.0 Features api: skills and hosted shell (27fdf68) Chores **inte

6.20.0 (2026-02-10) Full Changelog: v6.19.0...v6.20.0 Features * api: skills and hosted shell (e4bdd62)

2.18.0 (2026-02-09) Full Changelog: v2.17.0...v2.18.0 Features api: add context_management to responses (137e992) api:

6.19.0 (2026-02-09) Full Changelog: v6.18.0...v6.19.0 Features * api: responses context_management (40e7671)

6.18.0 (2026-02-05) Full Changelog: v6.17.0...v6.18.0 Features * api: image generation actions for responses; ResponseFunctionCallArgumentsDoneEvent.name ([d373c32](

2.17.0 (2026-02-05) Full Changelog: v2.16.0...v2.17.0 Features api: add shellcalloutput status field (1bbaf88) api:

Introducing GPT-4.1 in the API—a new family of models with across-the-board improvements, including major gains in coding, instruction following, and long-context understanding. We’re also releasing o…

6.17.0 (2026-01-28) Full Changelog: v6.16.0...v6.17.0 Features api: add shellcalloutput status field (edf9590) api: api

2.16.0 (2026-01-27) Full Changelog: v2.15.0...v2.16.0 Features api: api update (b97f9f2) api: api updates ([9debcc0](h

6.16.0 (2026-01-09) Full Changelog: v6.15.0...v6.16.0 Features api: add new Response completed_at prop (ca40534) ci: add b

2.15.0 (2026-01-09) Full Changelog: v2.14.0...v2.15.0 Features * api: add new Response completed_at prop (f077752) Chore

We’re upgrading the GPT-5 series with warmer, more capable models and new ways to customize ChatGPT’s tone and style. GPT-5.1 starts rolling out today to paid users.

6.15.0 (2025-12-19) Full Changelog: v6.14.0...v6.15.0 Bug Fixes * rebuild (5627b41)

2.14.0 (2025-12-19) Full Changelog: v2.13.0...v2.14.0 Features * api: slugs for new audio models; make all `model` params accept strings ([e517792](

6.14.0 (2025-12-16) Full Changelog: v6.13.0...v6.14.0 Features * api: gpt-image-1.5 (6c1ac1d)

2.13.0 (2025-12-16) Full Changelog: v2.12.0...v2.13.0 Features api: gpt-image-1.5 (1c88f03) Chores ci: add CI j

6.13.0 (2025-12-15) Full Changelog: v6.12.0...v6.13.0 Features api: api update (bc759dc) api: fix grader input list, add d

2.12.0 (2025-12-15) Full Changelog: v2.11.0...v2.12.0 Features api: api update (a95c4d0) api: fix grader input list, a