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LangChain

Open source framework for building applications with LLMs - RAG, agents, chains, and memory.

About LangChain

Open source framework for building applications with LLMs - RAG, agents, chains, and memory.

LangChain is the most popular framework for building applications with language models. It provides abstractions to connect LLMs to data sources (RAG), create autonomous agents, chain multiple calls (chains), and manage conversation memory. With LangSmith for observability and LangGraph for complex agents, it's the complete ecosystem for AI development.

For You

  • 🔧 Standard framework for LLM apps
  • 📚 Extensive documentation and examples
  • 🆓 Open source and free

For Founders

  • 🏗️ Build chatbots with RAG quickly
  • 🔌 Connect any LLM to any data source
  • 🚀 From prototype to production with LangServe

For Companies

  • 📊 LangSmith for production monitoring
  • 🤖 LangGraph for complex enterprise agents
  • 🔒 Secure deployment with LangServe

Capabilities

  • Chains to orchestrate LLMs
  • RAG with any vector store
  • Agents with customizable tools
  • LangSmith for observability

Use Cases

  • Chatbot with RAG on company documents
  • Autonomous agents that use tools
  • Text processing pipelines
  • Conversational applications with memory

Start free with LangChain

Watch our free lesson and find out how to use LangChain to change the way you work and get more done.

Quick Summary

Category: AI Infrastructure
Vendor: LangChain
Price: Open Source
Rating: 4.6

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