LangGraphvsLangChain

Comparing LangGraph and LangChain — features, pricing, and which is better for your needs in 2026.

LangGraph

Framework for building stateful multi-actor AI applications

Free (open source)

AI Agents & Frameworks

Visit LangGraph

LangChain

Framework for building applications powered by language models

Free (open source)

AI Agents & Frameworks

Visit LangChain

Feature Comparison

FeatureLangGraphLangChain
PricingFree (open source)Free (open source)
CategoryAI Agents & FrameworksAI Agents & Frameworks
State machines
Multi-agent
Human-in-the-loop
Persistence
Streaming
LLM chains
Agents
RAG
Memory
Tool integration

LangGraph vs LangChain: Which Should You Choose?

Both LangGraph and LangChain are powerful tools in the AI space, but they serve different needs.

Choose LangGraph if:

  • You need state machines
  • You need multi-agent
  • You need human-in-the-loop
  • You need persistence
  • You need streaming
  • You prefer free (open source) pricing

Choose LangChain if:

  • You need llm chains
  • You need agents
  • You need rag
  • You need memory
  • You need tool integration
  • You prefer free (open source) pricing

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