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Elasticsearch

Vector search and kNN queries built into the established Elasticsearch platform

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Elasticsearch provides dense vector search and kNN queries as part of its search platform. Teams already using Elasticsearch can add vector similarity search for RAG and semantic search without adopting a separate vector database. Supports HNSW indexing, hybrid search combining BM25 with vector similarity, and integration with embedding models.

Pricing: Usage-based

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Elasticsearch Alternatives

Explore 16 products in the Vector databases category. View all Elasticsearch alternatives.

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