OpenAI Agents SDK 0.21.0
UpdateUnverifiedAdded Sep 24, 2026
Key Changes This minor release does not introduce a known breaking SDK behavior change. The minor version bump is for the new provider-neutral testing APIs and the OpenAI Python v3 compatibility update.
Topics: AI agents, MCP, Streaming, Security, Developer tools
More OpenAI Agents SDK releases
Every OpenAI Agents SDK release| Date | Release | Type |
|---|---|---|
| Aug 16 | OpenAI Agents SDK 0.21.1unverified Update | Update |
| Aug 19 | OpenAI Agents SDK 0.22.0unverified Update | Update |
| Aug 11 | OpenAI Agents SDK 0.20.0unverified Update | Update |
| Aug 5 | OpenAI Agents SDK 0.19.4unverified Update | Update |
| Aug 4 | OpenAI Agents SDK 0.19.3unverified Update | Update |
| Aug 1 | OpenAI Agents SDK 0.19.2unverified Update | Update |
| Sep 8 | OpenAI Agents SDK 0.22.1unverified Update | Update |
| Sep 9 | OpenAI Agents SDK 0.22.2unverified Update | Update |
Also shipped on Aug 15, 2026
OpenAI in August 2026
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