Elasticsearch
Distributed full-text search and analytics engine with built-in vector and hybrid search
Elasticsearch is a distributed search and analytics engine built on Apache Lucene. It does full-text (BM25) keyword search, dense and sparse vector search, and hybrid search that combines lexical and vector ranking, exposed over a RESTful API.
Teams use it for log and event analytics, application search, and as the retrieval layer for RAG. It runs self-hosted or on-premises, or as managed Elastic Cloud (serverless and hosted on AWS, GCP, and Azure). Open source under a dual-license model.
Pricing: Usage-based
Elasticsearch Alternatives
Explore 24 products in the Vector databases category. View all Elasticsearch alternatives.
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