# FAISS

> Library for efficient similarity search by Meta

- Category: [Vector & Search](https://ailandscape.org/category/vector-search) › Similarity & Indexing
- Homepage: https://faiss.ai
- Repository: https://github.com/facebookresearch/faiss
- Tags: similarity, indexing, cpp
- Added to the landscape: 2026-03-18

## Similar tools in Similarity & Indexing

- [Annoy](https://ailandscape.org/tool/annoy): Approximate nearest neighbors by Spotify
- [ScaNN](https://ailandscape.org/tool/scann): Scalable nearest neighbors library by Google

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Part of [AI Landscape](https://ailandscape.org), an open map of the AI ecosystem. Web page: https://ailandscape.org/tool/faiss · Index for AI assistants: https://ailandscape.org/llms.txt