Guides

Python AI Agent Frameworks Compared

How LangGraph, CrewAI, AutoGen, and smolagents actually differ, and which one fits a new multi-agent Python project

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Resources

LangChain

The most widely used Python framework for building LLM-powered applications, with 700+ integrations and tools for agents, RAG, and chains

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LangGraph

Framework for building stateful, multi-step AI agent workflows as graphs — ideal for complex reasoning and tool-use pipelines

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Pydantic AI

Type-safe Python framework for building production AI agents, built by the Pydantic team with structured outputs and dependency injection

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smolagents

Hugging Face’s lightweight agent library — minimal, readable code for building tool-using LLM agents with support for any model via the Transformers ecosystem

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