Generative AI Agent Framework
16.3k 2026-04-13
pydantic/pydantic-ai
A Python agent framework built by the Pydantic team to quickly and confidently develop production-grade Generative AI applications with a focus on type safety and observability.
Core Features
Built by the Pydantic Team, leveraging Pydantic Validation as its core.
Model-agnostic, supporting a wide range of LLM providers and models.
Seamless integration with Pydantic Logfire for comprehensive observability and tracing.
Fully type-safe design for enhanced developer experience and error prevention.
Extensible architecture with composable capabilities and YAML/JSON agent definitions.
Quick Start
pip install pydantic-aiDetailed Introduction
Pydantic AI is a Python agent framework designed to bring the ergonomic and confident development experience of FastAPI to Generative AI applications. Built by the creators of Pydantic, it emphasizes robust validation, full type-safety, and seamless observability through Pydantic Logfire. It supports a vast array of LLM models and providers, enabling developers to build production-grade AI agents and workflows efficiently, with powerful evaluation tools and an extensible design for custom capabilities.