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RAG & search

HKUDS/LightRAG

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

MITPython
Stars
40k
Forks
5.7k
Open issues
240
Last push
2d ago

About LightRAG

LightRAG is a free, open-source RAG and AI search tool by HKUDS, written mainly in Python. [EMNLP2025] LightRAG: Simple and Fast Retrieval-Augmented Generation. It has 40k GitHub stars and 5.7k forks, and was last updated 2d ago. It's released under the MIT license, a standard open-source license.

License
MIT
Language
Python
Stars
40,260
Last update
2d ago
Runs on Mac
Not stated
GPU
Not stated
Paid API key
Not stated
Self-hostable
Not stated

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LightRAG FAQ

Is LightRAG free?

Yes. LightRAG is open source and free to use. It's released under the MIT license, a standard open-source license.

Does LightRAG run on a Mac?

The project doesn't say. Check its installation guide before you start.

Does LightRAG need a GPU?

The project doesn't state hardware needs. AI models generally run much faster with a GPU.

Is LightRAG still maintained?

Yes. It was last updated 2d ago and has 240 open issues on GitHub.

What are alternatives to LightRAG?

Similar free, open-source tools include ragflow, graphrag, PageIndex, memvid.

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