Qdrant
Free tierHigh-performance vector search engine built for production-grade AI retrieval at any scale
Free tier available·Technical·API available·Open source
Key strengths
Built entirely in Rust for maximum performance using SIMD and a custom storage engine (Gridstore)Native hybrid search combining dense and sparse vectors (BM25, SPLADE++, miniCOIL) in a single queryFlexible deployment: fully managed cloud, hybrid cloud, private/air-gapped, and edge optionsAdvanced metadata filtering applied during HNSW traversal for high recall with low latencyMemory-efficient storage with up to 64x reduction via asymmetric, scalar, and binary quantization
Free tier + paid plans
San Francisco, USA
Self-hostable
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