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The Stack · Comparison

LangGraph vs LlamaIndex

A side-by-side of two agent frameworks for building AI agents — live GitHub data, languages, and what each is best at.

Short answer: LlamaIndex leads LangGraph vs LlamaIndex by community traction (★ 51k vs ★ 39k). Pick LangGraph for stateful multi-agent workflows; pick LlamaIndex for RAG.

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LangGraphLlamaIndex
GitHub stars★ 39k★ 51k
LanguagePythonPython
CategoryAgent frameworksAgent frameworks
Best forstateful multi-agent workflowsRAG
Repositorylangchain-ai/langgraphrun-llama/llama_index

The short verdict

LangGraph and LlamaIndex are both credible choices. By community traction, LlamaIndex leads (★ 51k). Pick LangGraph for stateful multi-agent workflows; pick LlamaIndex for RAG.

LangGraph details → · LlamaIndex details →

LangGraph vs LlamaIndex — FAQ

Is LangGraph or LlamaIndex better?

Both are credible agent frameworks. By community traction LlamaIndex leads (★ 51k). Pick LangGraph for stateful multi-agent workflows; pick LlamaIndex for RAG.

What's the difference between LangGraph and LlamaIndex?

LangGraph is Graph-based orchestration for stateful, multi-actor agent workflows with explicit control flow and checkpointing.. LlamaIndex is Data framework for connecting LLMs to private data — indexing, retrieval, and agentic RAG over your documents..

Which has more GitHub stars, LangGraph or LlamaIndex?

LlamaIndex has more — ★ 51k vs ★ 39k (live counts).

Can I use LangGraph and LlamaIndex together?

Often yes — many teams combine agent frameworks. Check each tool's docs for interop; they solve overlapping but not identical problems.

What languages do LangGraph and LlamaIndex use?

LangGraph is primarily Python; LlamaIndex is primarily Python.

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