pydantic-ai
https://github.com/pydantic/pydantic-ai
Python
GenAI Agent Framework, the Pydantic way
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- Issues
- Mark Gemma 4 as hybrid-thinking in the Google model profile
- HuggingFaceModel with the default provider raises UserError after every successful response
- AnthropicModel crashes with AssertionError on a server-side fallback `fallback` content block
- AG-UI round trip of a native tool search breaks the next Anthropic request (tool_use without tool_result)
- Tool result caching capability: reuse the result of an identical call to a read-only tool instead of running it again
- Expose a fresh sandbox backend outside a RunContext
- Make `RunContext` run-driving methods available on run handles, and state it as a rule
- Probe which file media types each provider accepts, and publish the support table
- Fill file-input profile flags from OpenRouter model metadata and models.dev
- Judge file input by media type, not only by kind, in `ModelProfile`
- Docs
- Python not yet supported