
OpenSearch search relevance helps ensure that users’ queries go beyond matching keywords, connecting their underlying intent with the most meaningful results. Whether searching across documents, databases, or products, OpenSearch enables you to accurately interpret what users are really looking for and surface results that reflect their true needs.
By narrowing the gap between intent and outcome, OpenSearch transforms search into a smarter, more intuitive experience.

Compare and evaluate your search results

Rerank your search results by relevance

Visualize search quality metrics with intuitive dashboards

Deliver smarter, intent-driven search experiences
OpenSearch offers a rich set of tools to surface more relevant results by aligning closely with user intent. Its powerful relevance features and plugins adapt seamlessly to the structure and complexity of your data—whether you’re indexing product catalogs, logs, or unstructured documents.
Designed for transparency and control, OpenSearch lets you fine-tune search behavior through customizable scoring, pipelines, and relevance testing.
Establish a strong foundation for building smarter, faster, and more adaptive search experiences that connect users to the right content, tailored to your organization’s unique data.
Find out how OpenSearch helps deliver more relevant search results

Unlock better search relevance and get the full picture with User Behavior Insights
Most analytics tools fall short when it comes to measuring true search quality—they simply don’t capture the full picture. User Behavior Insights is a purpose-built suite within OpenSearch designed to close that gap, helping you collect rich data on how users interact with your search experience.
From real-time user behavior tracking to offline and online evaluation capabilities, this toolkit empowers you to run deeper analyses and continuously improve relevance and performance.
OpenSearch provides powerful tools for improving search relevance
Search results reranking
Enhance search relevance and user experience by evaluating, re–scoring,
and re–sorting search results.
Query rewriting
Modify and transform queries at pre-execution time to improve search accuracy, relevance, or performance.
Search results comparison
Evaluate results from two queries side–by–side using the OpenSearch Compare Search Results tool.
Search relevance analytics solutions
Tools like User Behavior Insights and Search Relevance Workbench provide insights for fine-tuning relevance and delivering a smarter search experience.
Read more on the OpenSearch blog
Improve your search relevance with open and extensible community-supported resources
User Behavior Insights (UBI)
An OpenSearch plugin for connecting queries with user behaviors to improve search relevance
Quergy
A plugin for improving search engine precision, matching, and scoring.
Search Relevance Workbench
A toolset that allows you to create the best search experience possible for your users.
Cross-encoder models
Integrate pre-trained cross-encoder models for query reranking—or use your own custom model.
Getting started with the Search Relevance Workbench
Explore the new search relevance features included in OpenSearch 3.x with an overview and demonstration of the Search Relevance Workbench from Berlin Buzzwords 2025.
Streamlining Search Quality: Search Relevance Workbench (YouTube)