OpenAI

6.49.0 (2026-07-23) Full Changelog: v6.48.0...v6.49.0 Features * api: accept `None` for promptcachekey/safety_identifier ([c54a7f3](

2.48.0 (2026-07-23) Full Changelog: v2.47.0...v2.48.0 Features * api: accept `None` for promptcachekey/safety_identifier ([36820e6](

2.47.0 (2026-07-21) Full Changelog: v2.46.0...v2.47.0 Features * client: Add experimental runtime support for HTTPX2 clients ([317260c](

2.46.0 (2026-07-17) Full Changelog: v2.45.0...v2.46.0 Features * api: /organization/projects/{projectid}/serviceaccounts/{serviceaccountid}/api_keys" endpoint ([5a00941](

6.48.0 (2026-07-17) Full Changelog: v6.47.0...v6.48.0 Features * api: /organization/projects/{projectid}/serviceaccounts/{serviceaccountid}/api_keys" endpoint ([9133b54](

6.47.0 (2026-07-14) Full Changelog: v6.46.0...v6.47.0 Features * add async event iterators ([2ece8aa](

2.45.0 (2026-07-09) Full Changelog: v2.44.0...v2.45.0 Features api: gpt-5.6-sol updates (039d1fe) Bug Fixes *api:

6.46.0 (2026-07-09) Full Changelog: v6.45.0...v6.46.0 Features api: gpt-5.6-sol updates (6c397d5) Bug Fixes **assistant

OpenAI previews GPT-5.6 Sol, a next-generation model with stronger capabilities in coding, science, and cybersecurity, paired with its most advanced safety stack.

2.44.0 (2026-06-24) Full Changelog: v2.43.0...v2.44.0 Bug Fixes * auth: prioritize first auth header (797e336)

6.45.0 (2026-06-24) Full Changelog: v6.44.0...v6.45.0 Features * add afterCompletion hook to runTools ([4976c22](

2.43.0 (2026-06-17) Full Changelog: v2.42.0...v2.43.0 Features * api: update OpenAPI spec or Stainless config (2254235)

6.44.0 (2026-06-17) Full Changelog: v6.43.0...v6.44.0 Features * api: update OpenAPI spec or Stainless config (d05bdbc)

2.42.0 (2026-06-16) Full Changelog: v2.41.1...v2.42.0 Features api: admin spend_alerts (6134198) api: manual updates (

6.43.0 (2026-06-16) Full Changelog: v6.42.0...v6.43.0 Bug Fixes fix TS to use `main` (dc5078b) restore pnpm repo configuration on

2.41.1 (2026-06-05) Full Changelog: v2.41.0...v2.41.1 Build System * Remove scheduled release workflow trigger ([2a91011](

2.41.0 (2026-06-03) Full Changelog: v2.40.0...v2.41.0 Features * api: responses.moderation and chat_completions.moderation ([87e46c2](

6.42.0 (2026-06-03) Full Changelog: v6.41.0...v6.42.0 Features * api: responses.moderation and chat_completions.moderation ([6d8f592](

2.40.0 (2026-06-01) Full Changelog: v2.39.0...v2.40.0 Features api: Add Amazon Bedrock Responses support Bug Fixes api: allow setting bedrock api keys on the client directly ([4d5bfde](

6.41.0 (2026-06-01) Full Changelog: v6.40.0...v6.41.0 Features * api: Add Amazon Bedrock Responses support ([535b045](

2.39.0 (2026-06-01) Full Changelog: v2.38.0...v2.39.0 Features * api: workload identity in audit logs, additional_tools item in responses, fix ActionSearch.query to be optional. ([ab60d7a](

6.40.0 (2026-06-01) Full Changelog: v6.39.1...v6.40.0 Features * api: workload identity in audit logs, additional_tools item in responses, fix ActionSearch.query to be optional. ([aee09f3](

6.39.1 (2026-05-27) Full Changelog: v6.39.0...v6.39.1 Bug Fixes * Improve undici dispatcher mismatch guidance ([b6e5fd6](

6.39.0 (2026-05-21) Full Changelog: v6.38.0...v6.39.0 Features api: api update (33ea11f) api: manual updates ([c210b09](ht

2.38.0 (2026-05-21) Full Changelog: v2.37.0...v2.38.0 Features api: api update (33d1d01) api: manual updates ([a21700a

6.38.0 (2026-05-13) Full Changelog: v6.37.0...v6.38.0 Features * api: add service_tier parameter to responses compact method ([423e838](

2.37.0 (2026-05-13) Full Changelog: v2.36.0...v2.37.0 Features * api: add service_tier parameter to responses compact method ([625827c](

6.37.0 (2026-05-07) Full Changelog: v6.36.0...v6.37.0 Features * api: add quantity field to admin organization usage responses ([273a8f7](

2.36.0 (2026-05-07) Full Changelog: v2.35.1...v2.36.0 Features api: manual updates (13c639c) api: realtime 2 ([8fe0ab8

2.35.1 (2026-05-06) Full Changelog: v2.35.0...v2.35.1 Bug Fixes * api: fix imagegen `size` enum regression (4484653)

2.35.0 (2026-05-06) Full Changelog: v2.34.0...v2.35.0 Features api: update image 2 (0ba55d7) api: manual updates ([72b

6.36.0 (2026-05-01) Full Changelog: v6.35.0...v6.36.0 Features * api: add group_type/user metadata fields, update types across admin resources ([cc52f97](

2.34.0 (2026-05-04) Full Changelog: v2.33.0...v2.34.0 Features * api: add externalkeyid to projects, email/metadata params to users, update types ([2d232ee](

6.35.0 (2026-04-28) Full Changelog: v6.34.0...v6.35.0 Features api: Add detail to InputFileContent (910ec5d) api: add OAut

2.33.0 (2026-04-28) Full Changelog: v2.32.0...v2.33.0 Features api: api update (18f834a) Bug Fixes api: correct

Introducing GPT-5.5, our smartest model yet—faster, more capable, and built for complex tasks like coding, research, and data analysis across tools.

We’re releasing a new batch of seven unsolved problems which have come up in the course of our research at OpenAI.

2.32.0 (2026-04-15) Full Changelog: v2.31.0...v2.32.0 Features api: Add detail to InputFileContent (60de21d) api: add

6.34.0 (2026-04-08) Full Changelog: v6.33.0...v6.34.0 Features api: add phase field to Message in conversations (eb7cbc1) **cl

2.31.0 (2026-04-08) Full Changelog: v2.30.0...v2.31.0 Features api: add phase field to conversations message (3e5834e) **a

6.33.0 (2026-03-25) Full Changelog: v6.32.0...v6.33.0 Features api: add keys field to computer action types (27a850e) **client

2.30.0 (2026-03-25) Full Changelog: v2.29.0...v2.30.0 Features * api: add keys field to Click/DoubleClick/Drag/Move/Scroll computer actions ([ee1bbed](

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 /

6.32.0 (2026-03-17) Full Changelog: v6.31.0...v6.32.0 Features * api: 5.4 nano and mini model slugs (068df6d)

6.31.0 (2026-03-16) Full Changelog: v6.30.1...v6.31.0 Features * api: add in/nin filter types to ComparisonFilter (b2eda27)

6.30.1 (2026-03-16) Full Changelog: v6.30.0...v6.30.1 Chores * internal: tweak CI branches (25f5d74)

6.30.0 (2026-03-16) Full Changelog: v6.29.0...v6.30.0 Features api: add /v1/videos endpoint option to batches (271d879) **api:

6.29.0 (2026-03-13) Full Changelog: v6.28.0...v6.29.0 Features * api: custom voices (a11307a)

2.28.0 (2026-03-13) Full Changelog: v2.27.0...v2.28.0 Features * api: custom voices (50dc060)

6.28.0 (2026-03-13) Full Changelog: v6.27.0...v6.28.0 Features api: manual updates (d543959) api: manual updates ([4f87840

2.27.0 (2026-03-13) Full Changelog: v2.26.0...v2.27.0 Features api: api update (60ab24a) api: manual updates ([b244b09

6.27.0 (2026-03-05) Full Changelog: v6.26.0...v6.27.0 Features * api: The GA ComputerTool now uses the CompuerTool class. The 'computerusepreview' tool is moved to ComputerUsePreview ([0206188](

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 'computerusepreview' tool is moved to ComputerUsePreview ([78f5b3c](

6.26.0 (2026-03-05) Full Changelog: v6.25.0...v6.26.0 Features * api: gpt-5.4, tool search tool, and new computer tool (1d1e5a9)

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](

GPT-5.4 Thinking System Card

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 our most advanced frontier model for everyday professional work, with state-of-the-art reasoning, long-context understanding, coding, and vision. Use it in ChatGPT and the OpenAI API to pow…

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