ProductAug 18, 2026
v2.31.1 (2026-08-17)
Pydantic AI version v2.31.1 is released with bug fixes, denying native structured output for Claude Sonnet 5 and Fable 5 on Bedrock, and adding a fallback for…
#pydantic-ai#bug-fix#release#bedrock#gemini#Claude#Claude Sonnet 5