Apache Solr vs OpenSearch: Which is Better in 2026?
Choosing between Apache Solr 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: Apache Solr is our overall pick for developer tools workflows. Pick OpenSearch if you need data & databases.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Apache Solr
Enterprise search with faceted, real-time, and distributed capabilities
Best for you if:
- • You need something completely free
- • You need developer tools features specifically
- • Apache Solr is an open-source, multi-modal search platform built on Apache Lucene, offering full-text, vector, and geospatial search capabilities.
- • It is highly scalable, fault-tolerant, and reliable, featuring distributed indexing, replication, load-balanced querying, automated failover, and centralized configuration.
OpenSearch
Open-source search and analytics suite
Best for you if:
- • You need data & databases features specifically
- • 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 |  Apache Solr |  OpenSearch |
|---|---|---|
Starts at | Free | $174/moAWS Serverless |
Best For | Developer Tools | Data & Databases |
Rating | - | - |
Choose Apache Solr or OpenSearch?
Choose Apache Solr if
Enterprise search with faceted, real-time, and distributed capabilities
- Battle-tested
- Highly scalable
- Rich features
- You want a fully free tool (OpenSearch requires payment)
- Your work is developer tools-shaped, not data & databases-shaped
Choose OpenSearch if
Open-source search and analytics suite
- Open source
- Community driven
- No licensing concerns
- Your work is data & databases-shaped, not developer tools-shaped
| Feature | Apache Solr | OpenSearch |
|---|---|---|
| Pricing Model | Free | Freemium |
| User Rating | ★4.2/5 40 reviews | ★4.4/5 15 reviews |
| Categories | Developer ToolsData & Databases | Data & DatabasesAnalytics |
In-Depth Analysis
Apache Solr
Enterprise search with faceted, real-time, and distributed capabilities
Strengths
- +Battle-tested
- +Highly scalable
- +Rich features
Weaknesses
- -Complex setup
- -Steep learning curve
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: Apache Solr vs OpenSearch
| Plan | Apache Solr | OpenSearch |
|---|---|---|
| Tier 1 | Free Open Source | Free Open Source |
| Tier 2 | N/A | Free AWS Free Tier |
| Tier 3 | N/A | $174 AWS Serverless |
Pricing verified from each vendor's public pricing page. Compare in detail on Apache Solr pricing and OpenSearch pricing.
Who Should Use What?
On a budget?
Apache Solr is free. OpenSearch is freemium.
Go with: Apache Solr
Want the highest-rated option?
Neither has user reviews yet.
Go with: Apache Solr
Value user reviews?
Neither has user reviews yet.
Go with: Apache Solr
3 Questions to Help You Decide
What's your budget?
Apache Solr is free. OpenSearch is freemium. Go with Apache Solr if free matters most.
What's your use case?
Apache Solr is a developer tools tool. OpenSearch is in data & databases. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Apache Solr
- Larger review base (40 reviews)
- Completely free
- Our pick for this comparison
OpenSearch
- Higher user rating: 4.4/5 vs 4.2/5
- Better fit for data & databases
The Bottom Line
Apache Solr is our pick.
Frequently Asked Questions
Is Apache Solr or OpenSearch better?
Apache Solr is rated in our evaluation. Apache Solr is free and OpenSearch is freemium.
What are Apache Solr and OpenSearch used for?
Apache Solr: Enterprise search with faceted, real-time, and distributed capabilities. OpenSearch: Open-source search and analytics suite.
What does Apache Solr cost vs OpenSearch?
Apache Solr is completely free. OpenSearch is freemium (free tier + paid plans). Visit their websites for detailed pricing.