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LangChain

At Peak
AI Frameworks

What is LangChain?

Open-source framework for building applications powered by large language models. Includes LangSmith for debugging and monitoring LLM apps.

Heat Score61

Heat score updated May 22, 2026

+27d
-2130d

High momentum

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Signal analysis

LangChain is at peak momentum with a heat score of 61. It's still picking up 2 pts this week. Peak tools have the most active communities, freshest docs, and strongest integrations in the AI Frameworks space — good time to go deep on it.

Pricing

freemiumOpen Source | Free trial: Yes

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