PydanticAI

Python agent framework built on Pydantic for type-safe LLM applications

Code & DevelopmentFree

PydanticAI is an agent framework from the Pydantic team that brings type safety and validation to LLM-powered applications. It uses Pydantic's powerful validation system to ensure structured, reliable outputs from language models, supports tool use with proper type annotations, and provides a clean API for building agents with dependency injection. PydanticAI works with any LLM provider and integrates naturally with FastAPI and other Python async frameworks.

Key Features

• ✓Type-safe LLM outputs
• ✓Pydantic validation
• ✓Tool use support
• ✓Dependency injection
• ✓Async-first
• ✓Multi-provider