pydantic-ai
https://github.com/pydantic/pydantic-ai
Python
GenAI Agent Framework, the Pydantic way
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- Issues
- Add prompt and completions cost fields to OpenRouter
- Plan: Custom events from tool functions
- feat: Add prompt and completions cost fields to OpenRouter
- Need for llama.cpp providers
- `FallbackModel` produces invalid Responses API requests when mixing `OpenAIChatModel` and `OpenAIResponsesModel` during multi-step tool loops
- fix(vercel-ai): strip retry suffix from UI errorText, preserve LLM cache
- Disable Streaming for ChatOpenAIModels
- Add option to disable streaming responses from OpenAIChatModels
- feat: add WebSocket mode for OpenAI Responses API
- feat: Add Anthropic `_20260209` web tools with server-tool replay
- Docs
- Python not yet supported