What are the key differences between OpenSearch and Elastic Stack (ELK)?

Compare OpenSearch and Elastic Stack (ELK) side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are OpenSearch and Elastic Stack (ELK) scored?

OpenSearch has an AI score of 8.4/10 and Elastic Stack (ELK) has an AI score of 8.5/10. Scores are based on features, user satisfaction, and overall quality analysis.

OpenSearch vs Elastic Stack (ELK) 2026 — Compared

OpenSearch

Elastic Stack (ELK)

WINNER Elastic Stack (ELK)

Elastic Stack (ELK) edges ahead with a score of 8.5/10 compared to 8.4/10 for OpenSearch. While both are highly rated in...

OpenSearch

8.4 Very Good

Web Hosting Get OpenSearch open_in_new

emoji_events WINNER

Elastic Stack (ELK)

8.5 Very Good

Data Analysis Get Elastic Stack (ELK) open_in_new

OpenSearch Pricing not available

payments

Elastic Stack (ELK) From Free (selfhosted); from $0.20/GB per month (Elastic Cloud) Free plan available

psychology AI Verdict

Elastic Stack (ELK) edges ahead with a score of 8.5/10 compared to 8.4/10 for OpenSearch. While both are highly rated in their respective fields, Elastic Stack (ELK) demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Elastic Stack (ELK)

verified Confidence: Low

Ready to decide? Get Elastic Stack (ELK) arrow_forward

description Overview

OpenSearch

OpenSearch is the community-driven, open-source fork of Elasticsearch and Kibana. It was created to ensure that a truly open-source search and analytics suite remains available to the community. It offers all the features of the original Elastic Stack, including powerful full-text search, visualization, and alerting. OpenSearch is an excellent choice for organizations that want to avoid vendor loc...

Elastic Stack (ELK)

The Elastic Stack, consisting of Elasticsearch, Logstash, and Kibana, is the most widely used open-source log management solution. It provides powerful full-text search capabilities, making it ideal for complex data exploration and visualization. Kibana offers a rich UI for building dashboards, while Elasticsearch provides the engine for lightning-fast queries. While it requires significant effort...