A agentindex
Comparison

LangGraph vs LlamaIndex

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

LangGraph

Graph-based agent orchestration from LangChain.

  • + Explicit state graph suits complex workflows
  • + Checkpointing enables human-in-the-loop
  • − Steep learning curve
  • − Tied to the LangChain ecosystem

LlamaIndex

The data framework for LLM applications.

  • + Best-in-class data connectors and retrieval
  • + Workflows now support agentic flows
  • − Broad surface area is intimidating
  • − Agent story overlaps with LangGraph
Spec LangGraph LlamaIndex
Category framework framework
License MIT MIT
Open source Yes Yes
Self-hostable Yes Yes
MCP support Yes Yes
Pricing free free
Starting price BYOK usage cost BYOK usage cost
Models claude, gpt, gemini, byok claude, gpt, gemini, local, byok
Languages python, typescript python, typescript
GitHub stars 35.7k 50.4k
Last activity 2026-06-25 2026-06-24