HKUDS / LightRAG
[EMNLP2025] LightRAG: Simple and Fast Retrieval-Augmented Generation
Why this job: says: retrieval augmented; topics: rag, retrieval-augmented-generation, knowledge-graph, graphrag
What it does
- Deep Contextual Understanding. Through graph-structured indexing, LightRAG captures complex semantic dependencies between entities, overcoming the fragmented context limitations typical of traditional chunk-based retrieval methods. Its gene
- Exceptional Comprehensiveness & Diversity. LightRAG’s dual-level retrieval mechanism allows it to integrate detailed facts and abstract concepts concurrently. This enables the system to achieve remarkable performance in query result compreh
- Extreme Retrieval Efficiency & Low Cost. LightRAG does not rely on inefficient community reports or multi-hop reasoning for complex queries. This drastically reduces the number of LLM calls required during both the indexing and querying pha
- Incremental Updates & Selective Deletion. LightRAG addresses the challenges of incrementally updating and selectively deleting content from graph-based knowledge bases, keeping them current in dynamic data environments. When a document is d
- Multiple Document Parsing Engines. LightRAG's document processing pipeline supports MinerU, Docling, and Native and can be extended with third-party parsers. LightRAG's Native engine efficiently parses images, tables, and formulas in Word a
Get started
uv pip install lightrag-hku
# 或: pip install lightrag-hku- Maintenance
- Active
- Last commit yesterday
- Stars
- 40,627
- +119 this week
- Licence
- MIT
- Allows business use
- Downloads for
- None listed
- No release files
- Latest version
- v1.5.7
- Released 2 months ago
- Built with
- Python
- 90% of the code
Is it looked after?
- Contributors
- 8
- Last 90 days
- Issues
- 85% closed
- 246 still open
- Pull requests
- 1,810 merged
- 187 waiting
- Releases
- 83
- 23 in the last year
- Contributing guide (opens in new tab)
- Security policy (opens in new tab)
- No code of conduct
Similar repos
| Repo | Stars | Last commit | Licence | Downloads for |
|---|---|---|---|---|
| RManLuo / gfm-rag | 313 | 2 months ago | Apache-2.0 | No downloads |
| microsoft / graphrag | 36,613 | 8 days ago | MIT | No downloads |
| FengZhenfei / carrel | 802 | yesterday | MIT | No downloads |
More: languages, topics and project record
Languages
- Python 90%
- TypeScript 8%
- Shell 2%
- JavaScript <1%
Topics
- knowledge-graph
- large-language-models
- retrieval-augmented-generation
- genai
- graphrag
- llm
- rag
- gpt
- docling
- mineru
- ragas
Project record
- JobRAG and search
- StatusFeatured
- Commits10,915
- Forks5,769
- Watching285
- Stars in 28 days+575
- CreatedOct 2, 2024
- First seen by usNov 7, 2026
- CheckedNov 10, 2026

