LangChain

Framework for building applications with large language models

⭐98,000
AI Agent FrameworksFree + LangSmith paid
🌐 Visit Website📦 GitHub

About LangChain

LangChain is the most popular framework for building applications powered by language models. It provides modular components for prompt management, chains, agents, memory, and retrieval — making it easier to build complex AI workflows.

Features

✦Chain composition
✦RAG pipelines
✦Agent toolkits
✦Memory systems
✦Streaming
✦Multi-model
✦LangGraph

Pros & Cons

Pros

  • +Massive ecosystem and community
  • +Modular and composable
  • +Supports every major LLM provider
  • +Excellent documentation
  • +LangSmith for monitoring

Cons

  • −Can be overly complex for simple tasks
  • −Frequent breaking changes
  • −Abstraction overhead
  • −Steep learning curve

Platforms

macOSLinuxWindows

Tags

#open-source#framework#python#javascript#rag#chains

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