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Qdrant

High-performance open-source vector search engine

Search Engines ★ 33.8k stars Medium setup Apache-2.0

Qdrant is an open-source vector similarity search engine and database written in Rust. It powers semantic search, recommendations and retrieval-augmented generation with a convenient API.

Official siteSource code

Key features

  • Fast vector similarity search
  • Payload filtering with vectors
  • Distributed clustering
  • REST and gRPC APIs

Pros & cons

Strengths

  • Excellent performance
  • Easy to deploy

Trade-offs

  • Specialized for vector workloads

Qdrant replaces

Self-hosted Pinecone alternativesSelf-hosted Algolia alternatives

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