OpenSearch Vector

OpenSearch Vector

OpenSearch Vector is an open-source search and analytics suite that enables high-performance vector search for AI applications.

FreeWebDesktopAPIOpen sourceKoreanMultimodal
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Overview

OpenSearch Vector is an open-source search and analytics suite that enables high-performance vector search for AI applications. It supports k-NN search using HNSW and IVF algorithms, making it a core component for RAG architectures. By combining traditional lexical search with vector-based semantic search, it provides superior relevance and scalability for handling billions of embeddings.

Key features

  • High-performance k-NN search
  • Support for HNSW and IVF algorithms
  • Hybrid search (Lexical + Semantic)
  • Real-time data indexing
  • Scalability to billions of vectors
  • Robust security and access control
  • SQL and PPL query support

Pricing

FreeStarting price: Free (Open Source)
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Use cases

  • Building RAG-based chatbots
  • Image and video similarity search
  • Recommendation systems
  • Anomaly detection and security analysis

Who it is for

Data EngineersAI DevelopersSearch Architects

Integrations

LangChainLlamaIndexAmazon SageMakerHugging Face

Tags

RAG

How we verified this

Company, pricing, and feature details come from the primary sources below and our latest verification pass. When sources disagree, the official source and the most recent check win.

Last verified 08/30/2026Verified sources: 1

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