Elasticsearch vs OpenSearch: Which is Better in 2026?
Choosing between Elasticsearch and OpenSearch comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Elasticsearch is our overall pick for data & databases workflows. Pick OpenSearch if you need a free tier to start with.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Elasticsearch
Distributed search and analytics
Best for you if:
- • Elasticsearch is a distributed search and analytics engine for logs, metrics, and text
- • It powers search functionality with full-text search, aggregations, and near real-time indexing
OpenSearch
Open-source search and analytics suite
Best for you if:
- • OpenSearch is an open-source, enterprise-grade suite for search and observability, designed to manage unstructured data at scale.
- • It offers capabilities including machine learning and AI tools (vector search, anomaly detection), advanced search solutions (e-commerce, document search), observability (performance monitoring, log analysis), and security analytics (threat intelligence, event correlation).
| At a Glance |  Elasticsearch |  OpenSearch |
|---|---|---|
Starts at | Usage-based/moServerless | $174/moAWS Serverless |
Best For | Data & Databases | Data & Databases |
Rating | - | - |
Choose Elasticsearch or OpenSearch?
Choose Elasticsearch if
Distributed search and analytics
- Fast search
- Scalable
- Great ecosystem
Choose OpenSearch if
Open-source search and analytics suite
- Open source
- Community driven
- No licensing concerns
| Feature | Elasticsearch | OpenSearch |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.3/5 284 reviews | ★4.4/5 15 reviews |
| Categories | Data & DatabasesAnalytics | Data & DatabasesAnalytics |
In-Depth Analysis
Elasticsearch
Distributed search and analytics
Strengths
- +Fast search
- +Scalable
- +Great ecosystem
Weaknesses
- -Resource hungry
- -Complex operations
Key features
OpenSearch
Open-source search and analytics suite
Strengths
- +Open source
- +Community driven
- +No licensing concerns
Weaknesses
- -Self-managed complexity
- -Plugin ecosystem smaller than Elastic
Key features
Pricing: Elasticsearch vs OpenSearch
| Plan | Elasticsearch | OpenSearch |
|---|---|---|
| Tier 1 | $0 Free (Self-hosted) | Free Open Source |
| Tier 2 | Usage-based Serverless | Free AWS Free Tier |
| Tier 3 | From $0.0208/hour Hosted (Standard) | $174 AWS Serverless |
| Tier 4 | Custom Enterprise | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Elasticsearch pricing and OpenSearch pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Elasticsearch
Want the highest-rated option?
Neither has user reviews yet.
Go with: Elasticsearch
Value user reviews?
Neither has user reviews yet.
Go with: Elasticsearch
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Both are data & databases tools. Compare their specific features to decide.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Elasticsearch
- Larger review base (284 reviews)
- Free tier available
- Our pick for this comparison
OpenSearch
- Higher user rating: 4.4/5 vs 4.3/5
The Bottom Line
Elasticsearch is our pick.
Frequently Asked Questions
Is Elasticsearch or OpenSearch better?
Elasticsearch is rated in our evaluation. Both are freemium.
What are Elasticsearch and OpenSearch used for?
Elasticsearch: Distributed search and analytics. OpenSearch: Open-source search and analytics suite.
What does Elasticsearch cost vs OpenSearch?
Elasticsearch is freemium (free tier + paid plans). OpenSearch is freemium (free tier + paid plans). Visit their websites for detailed pricing.