GraphCanon updated Sep 20, 2026 · GitHub synced Sep 20, 2026
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Decision brief
LEANN is a retrieval-augmented generation (RAG) application that provides substantial storage savings and ensures privacy. It supports various models such as ColQwen2 and ColPali, making it easy to integrate into Python,
Good fit when
- When you need significant storage savings, LEANN offers up to 97% reduction compared to other solutions.
- If privacy is a top concern, use LEANN for fully private RAG applications directly on your device without relying on cloud services.
Avoid when
- Avoid using LEANN if you have strict hardware limitations since it requires the installation of both Python and C++ dependencies.
- LEANN may not be suitable for users who prefer tools that do not demand manual setup of vector databases or models like Ollama and ColQwen2.
Observed Jul 11, 2026 · Source: enrich:decision_facts
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Maintenance and security
Full trust report- Maintenance
- Active (17d since push)
- As of Aug 18, 2026
- Provenance
- Not a fork · Organization account
- As of Aug 18, 2026
- Security (OSV)
- No lockfile
- As of Jul 11, 2026
Public GitHub metadata and optional OSV scans. Signals, not a guarantee. Trust methodology.
Install
pip install LEANN PyPIHow it fits your stack(15)
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Alternative
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Similar tools
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Evidence and technical details
Sourced facts, taxonomy, compatibility claims, README excerpt, and machine-readable endpoints.
Overview
LEANN offers retrieval-augmented generation (RAG) applications with significant storage savings and privacy.
Capability facts
- CLI
- CLI entrypoint
Source: pyproject.toml:[project.scripts] · Aug 18, 2026
- Languages
- python
Source: github.language+pyproject.toml · Aug 18, 2026
Categories
Graph entities
Compatibility
Sourced claims from the README excerpt - not unsourced marketing copy.
Source: README excerpt (regex_v1, Aug 18, 2026)
```python from leann import LeannBuilder, LeannSearcher, LeannChatSource link
Tags
README
📦 Prerequisites: Install uv Install uv first if you don't have it. Typically, you can install it with: 🚀 Quick Install Clone the repository to access all examples and try amazing applications, and install LEANN from PyPI to run them immediately: python from leann import LeannBu...
For agents
This page has a .md twin and JSON over the API.