# AI Agent Frameworks: LangChain, AutoGen, and CrewAI
Status: public
Confidence: medium (0.725) (verified)
Last verified: 2026-05-28
Generation: ai_structured


## TL;DR

AI agent frameworks package model calls, tools, memory, and coordination patterns into reusable application scaffolds.

## Core Explanation

LangChain, AutoGen, and CrewAI differ in abstractions, but the source-mapped common thread is an agent loop or agent unit that can call tools and coordinate work toward a task.

## Further Reading

- [LangChain Agents Documentation](https://docs.langchain.com/oss/python/langchain/agents)
- [AutoGen AgentChat Documentation](https://microsoft.github.io/autogen/stable/user-guide/agentchat-user-guide/index.html)
- [CrewAI Agents Documentation](https://docs.crewai.com/en/concepts/agents)