Pydantic AI

Type-safe Python framework for production AI agents

Pydantic AI, from the team behind Pydantic, is an open-source Python framework for building reliable agents with structured, validated outputs. It supports most model providers, tools and MCP, plus human approval for sensitive tool calls, and works with standard OpenTelemetry tracing.

Available on

Python

Pricing

Free and open source (MIT); optional paid Logfire observability

Free tier available

Free pricing

Price checked Nov 4, 2026

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