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Annoy

Open-source library from Spotify for approximate nearest neighbor search.

Category
Vector Databases
Pricing model
Free Free to use. Not confirmed here; check the vendor's site.
Official site
https://github.com/spotify/annoy
Link checked
2026-11-06. Added 2026-11-06.

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This entry gives the product's category, the pricing model as shown on the vendor's own pages when we could confirm it, and a link to the official site. It is not a review or an endorsement. Plans and prices change, so confirm on the vendor's site. Is this your product? Get a "Listed on AI Tool Index" badge.

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