Pydantic AI
Build typed Python agents, tool calls and model workflows with validation around inputs and outputs.
What’s included for free?
Free Python framework. Models, inference, tracing backends and hosting can cost separately.
Where it runs: Local install
Provider information ↗Checked 2026-10-25
Before you use it
MIT. Model providers, tools and connected data sources retain separate terms.
Provider terms can change. Check current pricing and usage rights before starting a project.