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Qdrant

Rust vector database for similarity search.

DatabaseOpen source
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Vector database for similarity search over embeddings, with metadata filtering, used in RAG and recommendations.

When to use

For semantic search and RAG at scale, with filters and performance.

When to avoid

For a few thousand vectors, where pgvector in your Postgres is already enough.

Alternatives

They do a similar job. Compare before choosing.

  • Chroma

    Simple embeddings database, built for AI apps.

    DatabaseOpen source★ 29.6K

  • pgvector

    Vector search inside PostgreSQL.

    DatabaseOpen source★ 23.5K

Related

From the same area, with a close purpose.

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