OpenAI Python SDK releases · September 23, 2026 · 1 min read

v3.19.1

#version-bump #developer-tool

Mirrored from OpenAI Python SDK releases for archival readability. Support the source by reading on the original site.

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3.19.1 (2026-09-23)

Bug Fixes

chat: preserve single-pass tool iterables (#3770) (33ffa1f)
client: merge HTTP headers case-insensitively (#3486) (5e39766)

Chores

api: clarify Chat Completions seed limits (#3945) (be9d666)

Documentation

clarify collaborator-only pull request policy (#3948) (ead1fa2)

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