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LlamaIndex

The strongest option for document-centric retrieval.

currentLlamaIndex ↗Verified 2026-08-13

Ingestion

and retrieval

Specifications

KindFramework
GraphYes, property graph index
LanguagePython, TypeScript
LicenceMIT
GitHub stars~45k

Official links

LlamaIndex official site

What matters

  • Deep document handling and many indexing strategies
  • The common advice is LlamaIndex for retrieval, LangGraph for orchestration

Best for PDFs, knowledge bases, structured data.

Compare with

All 5 side by side →

LlamaIndex vs LangChain & LangGraph →LlamaIndex vs Haystack →LlamaIndex vs RAGFlow →LlamaIndex vs GraphRAG →LlamaIndex vs LightRAG →

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LangChain & LangGraph · LangChainHaystack · deepsetRAGFlow · InfiniFlowGraphRAG · MicrosoftLightRAG · HKU Data Science