Resource / Free Vector Databases

Qdrant

An open-source vector search engine offering filtering, similarity search and a cloud service.

Free and open source

Open source and free to self-host; the Qdrant Cloud free tier is subject to the official plan page.

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Strong Candidate · Maintenance risk 4/5

Last verified: 2026-08-28. A free tier is not a permanent commitment; re-check the official conditions before use.