pydantic-ai
https://github.com/pydantic/pydantic-ai
Python
GenAI Agent Framework, the Pydantic way
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- Issues
- Temporal: `ctx.usage` mutations inside an activity are silently discarded, so delegate agent usage is lost
- feat(TestModel): add output_tool_name to select a specific output tool (#2199)
- Scope Gateway authentication to registered routes on shared HTTP clients
- Add telemetry.dev to alternative observability backends
- Match unhyphenated Qwen3-Coder names in `qwen_model_profile`
- docs: add Modelsell OpenAI-compatible configuration
- Realtime: WebSocket cassette replay never asserts the cassette was fully consumed
- Document when an unsupported option should warn rather than raise `UserError`
- Google embedding `usage` is always 0 tokens on the Gemini API
- Embedding models can declare modalities but not whether they can fuse parts into one vector
- Docs
- Python not yet supported