# OpenAI Python SDK v3.3.1

- Product: OpenAI Python SDK (https://whatsnew.fyi/product/openai-python)
- Vendor: OpenAI
- Date: 2026-08-19
- Version: v3.3.1
- Original notes: https://github.com/openai/openai-python/releases/tag/v3.3.1
- Permalink: https://whatsnew.fyi/product/openai-python/releases/v3.3.1

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

---

- **security** — Update dependencies with published security fixes
- **removed** — Remove jsonschema and unused fixture-validation dependencies
- **changed** — Use the standard library for platform detection

##### [3.3.1](https://github.com/openai/openai-python/compare/v3.3.0...v3.3.1) (2026-08-19)


###### Bug Fixes

* **deps:** update dependencies with published security fixes ([#3680](https://github.com/openai/openai-python/issues/3680)) ([53aa4fc](https://github.com/openai/openai-python/commit/53aa4fc68b65f42456cafaaa5ff4b0d317184752))


###### Chores

* **build:** migrate to uv ([#3653](https://github.com/openai/openai-python/issues/3653)) ([b37e85d](https://github.com/openai/openai-python/commit/b37e85d8fe9cd2b23862dbc62716d38e2cacaf92))
* **deps:** remove jsonschema and unused fixture-validation dependencies ([0dfdfdd](https://github.com/openai/openai-python/commit/0dfdfdddfbeb591a1bb5b3b4aa62e4a9870fcaa6))
* lock the repository Pyright toolchain ([#3678](https://github.com/openai/openai-python/issues/3678)) ([3079be2](https://github.com/openai/openai-python/commit/3079be224c05479b6cf8aa329480c249f66f0599))
* run the mock server from locked local tooling ([#3679](https://github.com/openai/openai-python/issues/3679)) ([370fcc6](https://github.com/openai/openai-python/commit/370fcc60ce9006db5a75dcd0333790dfe71a907c))


###### Refactors

* **deps:** use the standard library for platform detection ([d5b0065](https://github.com/openai/openai-python/commit/d5b00659d6659c5def665cb04e6563bdf683ea03))


###### Build System

* replace the external README metadata hook ([e673ca8](https://github.com/openai/openai-python/commit/e673ca8ff9e5c2292615976e99bf5731d47327e8))