Pydantic AI

A type-safe agent framework from the team behind Pydantic.

Pydantic AI is a Python agent framework built by the Pydantic team that brings the FastAPI feel of ergonomic, type-checked development to building production LLM applications. It is model-agnostic, validates structured outputs with Pydantic models, and integrates dependency injection, tools, and durable execution with first-class observability via Logfire. It has become a popular choice for engineers who want type safety and testability in agent code.