pydantic-ai
https://github.com/pydantic/pydantic-ai
Python
GenAI Agent Framework, the Pydantic way
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- Issues
- SambaNova/Heroku/Fireworks pass mixed-case model names to case-sensitive family profiles, silently dropping thinking
- Add `ToolAvailabilityDeltaPart` with native `tool_addition` and `additional_tools` rendering
- Qwen3-Coder profile only matches the hyphenated spelling, so Bedrock/Heroku/OpenRouter models lose both tool flags
- docs: add Modelsell OpenAI-compatible configuration
- [aw] Pydantic AI Provider Mapping Sweep failed
- `GoogleModel`: any native tool on Gemini 3+ fails on Vertex because `include_server_side_tool_invocations` is set
- Rename `ThreadExecutor` to `UseThreadExecutor`; export `PydanticAIDeprecationWarning` publicly
- Realtime: WebSocket cassette replay never asserts the cassette was fully consumed
- Document when an unsupported option should warn rather than raise `UserError`
- Replay tool-search history across provider boundaries instead of dropping it
- Docs
- Python not yet supported