release: 3.40.0 (#4182)

Automated Release PR
---


##
[3.40.0](v3.39.0...v3.40.0)
(2026-10-27)


### Features

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


### Bug Fixes

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


### Chores

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

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

Co-authored-by: openai-sdks[bot] <284451331+openai-sdks[bot]@users.noreply.github.com>

Author: openai-sdks[bot]

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "3.39.0"
+  ".": "3.40.0"
 }

CHANGELOG.md

@@ -1,5 +1,29 @@
 # Changelog
 
+## [3.40.0](https://github.com/openai/openai-python/compare/v3.39.0...v3.40.0) (2026-10-27)
+
+
+### Features
+
+* **api:** add prompt cache breakpoint TTL options ([#4188](https://github.com/openai/openai-python/issues/4188)) ([3596d18](https://github.com/openai/openai-python/commit/3596d18f05b63081fd64c6da82b515293afb98c6))
+
+
+### Bug Fixes
+
+* **ci:** use an explicit browser demo dependency ([#4185](https://github.com/openai/openai-python/issues/4185)) ([a3f4302](https://github.com/openai/openai-python/commit/a3f430241c4a2e3e25bf79cc7d0148e51795a292))
+
+
+### Chores
+
+* **api:** record completed generated-code separation ([#4190](https://github.com/openai/openai-python/issues/4190)) ([d7ab5ee](https://github.com/openai/openai-python/commit/d7ab5ee237f8d8a8fa51dd7177a47cfbd6c331e6))
+* **deps-dev:** bump griffe from 1.14.0 to 2.3.0 ([#4069](https://github.com/openai/openai-python/issues/4069)) ([766b849](https://github.com/openai/openai-python/commit/766b849c2a32f47d7a0299c919fd10dd2fec7c6d))
+* **deps:** bump actions/create-github-app-token from 3.2.0 to 3.3.0 ([#4178](https://github.com/openai/openai-python/issues/4178)) ([06dbb5d](https://github.com/openai/openai-python/commit/06dbb5d019d7b6870b5898bf5df579ca60b61d28))
+* **deps:** bump actions/download-artifact from 8.0.1 to 8.0.2 ([#4110](https://github.com/openai/openai-python/issues/4110)) ([2404d04](https://github.com/openai/openai-python/commit/2404d0453d8f8dea27b09871359dd7d36510c21b))
+* **deps:** bump actions/upload-artifact from 7.0.1 to 7.0.2 ([#4107](https://github.com/openai/openai-python/issues/4107)) ([0adf711](https://github.com/openai/openai-python/commit/0adf71130c1ad0fec62af9ed4589e5961c48fcea))
+* **deps:** bump github/codeql-action/analyze from 4.38.2 to 4.39.0 ([#4177](https://github.com/openai/openai-python/issues/4177)) ([1e42321](https://github.com/openai/openai-python/commit/1e423213f13024df53e75eb500c8b8ab6277d5cc))
+* **deps:** bump openai/codex-action from 1.12 to 1.13 ([#4070](https://github.com/openai/openai-python/issues/4070)) ([904ed3f](https://github.com/openai/openai-python/commit/904ed3f6ba0f2351af67c9456e9f020401a8a7f8))
+* update generated-code verification and preserve SDK helpers ([#4186](https://github.com/openai/openai-python/issues/4186)) ([9412200](https://github.com/openai/openai-python/commit/9412200f9d2d25201e8ad007a6da198e395853c8))
+
 ## [3.39.0](https://github.com/openai/openai-python/compare/v3.38.0...v3.39.0) (2026-10-26)
 
 

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "openai"
-version = "3.39.0"
+version = "3.40.0"
 description = "The official Python library for the openai API"
 dynamic = ["readme"]
 license = "Apache-2.0"

src/openai/_version.py

@@ -1,2 +1,2 @@
 __title__ = "openai"
-__version__ = "3.39.0"  # x-release-please-version
+__version__ = "3.40.0"  # x-release-please-version