# OpenSearch

> Open-source search and analytics suite with native k-NN vector search capabilities.

- **URL:** https://opensearch.org/
- **Category:** Core Vector Databases
- **Tags:** Open Source, Knn, Analytics
- **Updated:** 2026-04-28 11:38
- **Canonical page:** https://vectordb.ever.works/items/opensearch

## Details

## Overview

Community-driven fork of Elasticsearch with vector search plugin.

## Features

- Approximate k-NN search
- Neural search plugin
- Scalable distributed search

## Pricing

Free and open-source.

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