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LEANN is an innovative vector database that enables RAG applications on personal devices with 97% storage savings compared to traditional solutions. It uses graph-based selective recomputation and high-degree preserving pruning to compute embeddings on-demand rather than storing them all. The system can index millions of documents locally while maintaining search accuracy, supporting various data sources including documents, emails, browser history, chat logs, and codebases. LEANN offers complete privacy by keeping all data on-device and provides both Python API and CLI interfaces for easy integration.

yichuan-w/LEANN: RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.

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