OpenAI Python SDK 3.40.0

OpenAI · SDK / library · v3.40.0 · Released Oct 27, 2026

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3.40.0 (2026-10-27)

Features

api: add prompt cache breakpoint TTL options (#4188) (3596d18)

Bug Fixes

ci: use an explicit browser demo dependency (#4185) (a3f4302)

Chores

api: record completed generated-code separation (#4190) (d7ab5ee)
deps-dev: bump griffe from 1.14.0 to 2.3.0 (#4069) (766b849)
deps: bump actions/create-github-app-token from 3.2.0 to 3.3.0 (#4178) (06dbb5d)
deps: bump actions/download-artifact from 8.0.1 to 8.0.2 (#4110) (2404d04)
deps: bump actions/upload-artifact from 7.0.1 to 7.0.2 (#4107) (0adf711)
deps: bump github/codeql-action/analyze from 4.38.2 to 4.39.0 (#4177) (1e42321)
deps: bump openai/codex-action from 1.12 to 1.13 (#4070) (904ed3f)
update generated-code verification and preserve SDK helpers (#4186) (9412200)

Source: OpenAI's official OpenAI Python SDK release notes at github.com. Text reproduced from the source for reference; all rights belong to OpenAI. Patchwire is not affiliated with OpenAI.

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