GraphRAG vs LightRAG

Side-by-side comparison of two AI agent tools

Short answer

  • Pick GraphRAG for: a modular graph-based Retrieval-Augmented Generation (RAG) system. Pick LightRAG for: eMNLP2025 LightRAG: Simple and Fast Retrieval-Augmented Generation.

From GitHub data refreshed daily.

G
GraphRAGopen-source

A modular graph-based Retrieval-Augmented Generation (RAG) system

L
LightRAGopen-source

[EMNLP2025] LightRAG: Simple and Fast Retrieval-Augmented Generation

Metrics

GraphRAGLightRAG
Stars36.2k40.0k
Star velocity /mo160140
Commits (90d)272.2k
Releases (6m)510
Downloads (30d, npm + PyPI)—126.2K
Overall score0.56619792835524580.7509536032311694

FAQ

Which is more popular, GraphRAG or LightRAG?
LightRAG has more GitHub stars (39,954 vs 36,194).
Which is more actively developed, GraphRAG or LightRAG?
LightRAG had more commits in the last 90 days (2,201 vs 27).
Should I use GraphRAG or LightRAG?
Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.