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LangChain

The most widely adopted framework for LLM applications

36 approved alternatives Suggest an alternative
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Looking for a tool like LangChain (The most widely adopted framework for LLM applications)? Below are 36 AI tools people use as an alternative to LangChain, ranked by leaderboard position. Each one is approved by our editors and worth comparing before you decide.

Stack AI
Stack AI

No-code AI workflows for enterprise operations teams

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SmolAgents
SmolAgents

Hugging Face's lightweight AI agent library

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Relevance AI
Relevance AI

No-code platform for building AI agents and agent teams

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Raccoon AI
Raccoon AI

AI agent that handles real multi-step tasks across your tools

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Phidata
Phidata

Open-source agent framework, now rebranded as Agno

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OpenHands
OpenHands

Open-source AI software engineer, formerly OpenDevin

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OpenAI Operator
OpenAI Operator

OpenAI's browsing agent, since folded into ChatGPT's agent mode

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MultiOn
MultiOn

AI agent that operates a browser to complete tasks for you

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Moltbook
Moltbook

A social network built for AI agents to find and coordinate with each other

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Manus
Manus

The Chinese autonomous agent that went viral in early 2025

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