--- canonical: "https://www.softatlas.io/opensearch/products/opensearch-core" name: "OpenSearch Core" provider: "OpenSearch" category: "Productivity & Collaboration / Knowledge Management / Enterprise Search" review_count: 0 ai_powered: false website: "https://opensearch.org/platform/opensearch-core" updated: "2026-07-10" --- # OpenSearch Core By [OpenSearch](/opensearch.md) OpenSearch Core is a powerful search and analytics engine built on Apache Lucene, designed to help users ingest, search, visualize, and analyze data. ## Features - Perform traditional keyword-based queries using the Okapi BM25 algorithm - Incorporate text embedding models and advanced vector search capabilities - Combine keyword and semantic search to improve search relevance and accuracy - Execute k-NN searches and manage vector data with an integrated vector database - Render search data and create visualizations with natural language instructions - Run lightning-fast indexing, searches, and analytics on streaming or historical data - Handle growing data volumes with horizontal scaling and distributed architecture - Add new features and capabilities using an expansive library of pre-built plugins ## Built for DEVELOPERS, OPERATIONS, EXECUTIVES Source: https://www.softatlas.io/opensearch/products/opensearch-core