# LEANN

> LEANN is a lightweight RAG-focused library for vector search on embeddings, achieving 97% storage savings via advanced compression and quantization techniques on personal devices. Implemented in Rust/Python, it supports efficient ANN indexing without full DB overhead. Ideal for embedded apps and private prototyping; far lighter than Milvus, more efficient on-device vs hnswlib.

- **URL:** https://github.com/search?q=LEANN+RAG&type=repositories
- **Category:** ANN Indexing Libraries
- **Tags:** Open Source, Rag, Private, Ann Library, Embeddable
- **Updated:** 2026-04-29 11:31
- **Canonical page:** https://vectordb.ever.works/items/leann

## Details

## Overview

LEANN enables RAG on everything with significant storage savings.

## Features

- 97% storage savings
- Fast and accurate RAG
- 100% private on device

## Pricing

Free and open-source.

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