Pydantic AI

by Pydantic

Type-safe Python agent framework from the Pydantic team.

Free★ 20.7k GitHub stars

Visit Pydantic AI ↗GitHub ↗

What people use it for

🧩 Build agents (frameworks)

Structured, validated outputs and FastAPI-style ergonomics for agents.

Pricing

Open source, free to self-host

Prices change often. Always confirm on the official site.

Recent updates

Oct 21, 2026 · Pydantic AI v2.59.0 released
Oct 20, 2026 · Pydantic AI v2.58.0 released