PydanticAI
Type-safe agent framework built on Pydantic for Python
pip install pydantic-aiAbout
PydanticAI is a Python agent framework from the creators of Pydantic, designed to make building production-grade AI applications as ergonomic as possible. It brings Pydantic's hallmark type-safety and validation to agent development — structured outputs, dependency injection, and tool definitions are all fully typed and validated at runtime. PydanticAI is model-agnostic, supports streaming responses, integrates with Logfire for observability, and is built with a testing-first mindset. It is the ideal choice for teams who want LLM reliability and correctness enforced by Python's type system.
Details
| Language | python |
| Patterns | agent, structured-output, tool-use, streaming, dependency-injection |
| Install | pip install pydantic-ai |
Tags
Quick Info
- Organization
- Pydantic
- Pricing
- open-source
- Free Tier
- Yes
- Updated
- Apr 1, 2026
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