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LangChain

Framework for building LLM apps and agents

Open source library for building applications on top of language models. It offers model wrappers, tool calling, retrievers and agent building blocks in Python and JavaScript.

frameworkpythonjavascriptorchestration

vs Claude Code vs CrewAI vs Cursor vs Devin vs Model Context Protocol vs Agno vs AutoGen LangChain alternatives

More in Agent frameworks

CrewAI

Agent frameworks

Multi-agent framework built around role-based crews

Open sourcemulti-agentpython

Agno

Agent frameworks

Python framework for agents with memory and knowledge

Open sourcepythonmulti-agent

AutoGen

Agent frameworks

Microsoft's framework for multi-agent conversations

Open sourcemulti-agentmicrosoft

Google Agent Development Kit

Agent frameworks

Google's open source toolkit for building agents

Open sourcegooglesdk

Haystack

Agent frameworks

deepset's open source framework for RAG and agents

Open sourceragpipelines

LangGraph

Agent frameworks

Graph-based runtime for stateful agents

Open sourcegraphstateful