LangGraph vs LlamaIndex

AI Agents comparison · Updated Mar 2026

🏆
Quick Verdict
LangGraph wins overall
LangGraph edges ahead with overall stronger positioning. Choose LlamaIndex if you need Best-in-class for RAG applications.
✍️ Writing LangGraph
💻 Coding LangGraph
👥 Teams LangGraph
💰 Budget LangGraph
🏢 Enterprise LangGraph
Choose LangGraph if…
Teams building production-grade agentic applications
Visit LangGraph →
Choose LlamaIndex if…
Best-in-class for RAG applications; Excellent data connector library
Visit LlamaIndex →

At a Glance

LangGraph 🏆 LlamaIndex
Category AI Agents AI Agents
Pricing freemium freemium
Starting Price Freemium Freemium
Best For Teams building production-grade agentic applications rag, framework, llm
Features Listed 6 6

Feature Comparison

LangGraph 🏆 LlamaIndex
Stateful graph-based agent orchestration Data ingestion and indexing
Built-in checkpointing and persistence Multi-modal RAG pipelines
Human-in-the-loop interrupts Query engine and chat engine
Streaming support Agent reasoning over data
Multi-agent coordination 150+ data connectors
LangChain ecosystem integration LlamaCloud managed service

Pricing Comparison

LangGraph
freemium
Best Value
Paid
Open-source framework is free. LangGraph Cloud starts at $39/month for hosted deployments.
LlamaIndex
freemium
Paid
Open-source free; LlamaCloud from $97/month; Enterprise custom pricing

Strengths & Weaknesses

LangGraph 🏆
Pros
  • +Excellent state management
  • +Seamless LangChain integration
  • +Strong production deployment story
  • +Built-in streaming
Cons
  • Requires LangChain familiarity
  • Graph mental model takes time to learn
LlamaIndex
Pros
  • +Best-in-class for RAG applications
  • +Excellent data connector library
  • +Strong production tooling
  • +Great Python SDK
Cons
  • Steeper learning curve than LangChain
  • LlamaCloud can be expensive
  • JavaScript SDK less mature

Winner by Buyer Type

Buyer Type Best Pick Reason
Solo Developer LangGraph Dev-friendly features + low cost
Marketing Team LangGraph Content creation & collaboration
Enterprise LangGraph Scalability & admin controls
Budget-Conscious LangGraph Best value at lowest price
Content Creators LangGraph Output quality & creative tools
Technical Teams LangGraph API access & developer features

Final Recommendation

🏆 Overall Winner
LangGraph
LangGraph comes out ahead in this comparison. At Freemium, it offers excellent state management. If LlamaIndex fits your workflow better based on the use-case breakdown above, go with that — but for most users, LangGraph is the safer default choice.

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