Pydantic AI
Type-safe Python agent framework with Pydantic validation, tool calling, and dependency injection
Pydantic AI is a Python agent framework from the Pydantic team that brings type-safe, validated interactions to LLM development. It works with OpenAI, Anthropic, Gemini, DeepSeek, Groq, Mistral, and more. Define tools from normal Python functions with type hints, use dependency injection for customization, and get structured outputs validated by Pydantic. Supports multi-agent patterns, graph-based workflows, MCP, and Agent2Agent interoperability. Includes a built-in evaluation framework (pydantic-evals).
Pricing: Free
Pydantic AI Alternatives
Explore 41 products in the Agents category. View all Pydantic AI alternatives.
CrewAI
Framework for orchestrating role-playing, autonomous AI agents.
Mastra
TypeScript-first AI framework for building agents, RAG pipelines, and workflows
Letta
Framework for building stateful AI agents with persistent memory, formerly MemGPT
Also listed in
Work on Pydantic AI? Feature it at the top of Agents.
Is your product missing?