# OpenAI Python SDK v3.1.0

- Product: OpenAI Python SDK (https://whatsnew.fyi/product/openai-python)
- Vendor: OpenAI
- Date: 2026-08-14
- Version: v3.1.0
- Original notes: https://github.com/openai/openai-python/releases/tag/v3.1.0
- Permalink: https://whatsnew.fyi/product/openai-python/releases/v3.1.0

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'.

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- **added** — Add WebSocket stream IDs
- **added** — Add workload identity access token issued event
- **deprecated** — Deprecate Sora video APIs
- **added** — Add Ultrafast tier, structured MCP and websocket errors, and separate websocket events
- **removed** — Remove Stainless attribution and infrastructure

##### [3.1.0](https://github.com/openai/openai-python/compare/v3.0.0...v3.1.0) (2026-08-14)


###### Features

* **api:** add WebSocket stream IDs ([#3612](https://github.com/openai/openai-python/issues/3612)) ([d9029e3](https://github.com/openai/openai-python/commit/d9029e3ada3c008b4631d78a425743445730892a))
* **api:** add workload identity access token issued event ([#3601](https://github.com/openai/openai-python/issues/3601)) ([df274d4](https://github.com/openai/openai-python/commit/df274d44f5207febff3231f3a707f1d2265917b5))
* **api:** deprecate Sora video APIs ([#3610](https://github.com/openai/openai-python/issues/3610)) ([721cb1c](https://github.com/openai/openai-python/commit/721cb1cd1cacb71237db4403d80a01403af61248))
* **api:** Ultrafast tier, structured MCP and websocket errors, separate websocket events ([#3617](https://github.com/openai/openai-python/issues/3617)) ([f38355e](https://github.com/openai/openai-python/commit/f38355ecdf69b231be218e572f591ce7f389a211))


###### Chores

* remove Stainless attribution and infrastructure ([#3599](https://github.com/openai/openai-python/issues/3599)) ([a1eeab5](https://github.com/openai/openai-python/commit/a1eeab58db02de46717ccebaf1eb83e314fa86ff))