Dremio vs ClickHouse: Which is Better in 2026?
Choosing between Dremio and ClickHouse 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: ClickHouse is our overall pick for data & databases workflows. Pick Dremio 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:
Dremio
The Agentic Lakehouse for AI and Analytics, providing fast, governed, and unified data access.
Best for you if:
- • You want to try before committing
- • Unifies data across sources with zero ETL for AI and analytics.
- • Provides an AI Semantic Layer for trusted AI context and accurate answers.
ClickHouse
Fast open-source analytics database
Best for you if:
- • ClickHouse is a column-oriented database for real-time analytics on massive datasets
- • It delivers sub-second query performance on billions of rows for OLAP workloads
| At a Glance |  Dremio |  ClickHouse |
|---|---|---|
Starts at | FreeFree tier available | Custom |
Best For | Data & Databases | Data & Databases |
Rating | 4.6/5 | 4.4/5 |
Free plan | Yes | No |
Choose Dremio or ClickHouse?
Choose Dremio if
The Agentic Lakehouse for AI and Analytics, providing fast, governed, and unified data access.
- Significantly improves query performance (e.g., 10x faster, millisecond latency)
- Reduces data setup time and eliminates manual work (e.g., 90% reduction, 60hrs eliminated)
- Provides unified access to data across diverse sources without ETL
- You want a free tier before you commit
Choose ClickHouse if
Fast open-source analytics database
- Extremely fast analytics
- Good compression
- SQL interface
| Feature | Dremio | ClickHouse |
|---|---|---|
| Pricing Model | Freemium | Paid |
| User Rating | ★4.6/5 69 reviews | ★4.4/5 20 reviews |
| Categories | Data & DatabasesAnalytics | Data & DatabasesAnalytics |
In-Depth Analysis
Dremio
The Agentic Lakehouse for AI and Analytics, providing fast, governed, and unified data access.
Strengths
- +Significantly improves query performance (e.g., 10x faster, millisecond latency)
- +Reduces data setup time and eliminates manual work (e.g., 90% reduction, 60hrs eliminated)
- +Provides unified access to data across diverse sources without ETL
- +Offers robust data governance and security with fine-grained access control
- +Built on open-source standards (Apache Iceberg, Arrow, Polaris) for flexibility and avoiding lock-in
Weaknesses
- -No explicit mention of a free tier or trial on the provided pages
- -Requires understanding of lakehouse architecture concepts
Key features
ClickHouse
Fast open-source analytics database
Strengths
- +Extremely fast analytics
- +Good compression
- +SQL interface
- +Column-oriented
- +Open source
Weaknesses
- -Not for OLTP
- -Updates expensive
- -Operations complex
- -Learning curve
- -Specific use cases
Key features
Pricing: Dremio vs ClickHouse
| Plan | Dremio | ClickHouse |
|---|---|---|
| Tier 1 | $0.20 per DCU Dremio Cloud | Basic |
| Tier 2 | Contact Sales Dremio Enterprise | usage-based Scale |
| Tier 3 | N/A | custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Dremio pricing and ClickHouse pricing.
Who Should Use What?
On a budget?
Dremio has a free tier. ClickHouse is paid only.
Go with: Dremio
Want the highest-rated option?
Dremio: 4.6/5 (69 reviews). ClickHouse: 4.4/5 (20 reviews).
Go with: Dremio
Value user reviews?
Dremio: 69 reviews (4.6/5). ClickHouse: 20 reviews (4.4/5).
Go with: Dremio
3 Questions to Help You Decide
What's your budget?
Dremio is freemium. ClickHouse is paid. Dremio lets you start free.
What's your use case?
Both are data & databases tools. Compare their specific features to decide.
How important are ratings?
Dremio is rated higher: 4.6/5 vs 4.4/5.
Key Takeaways
ClickHouse
- Our pick for this comparison
Dremio
- Has a free tier
- Higher user rating: 4.6/5 vs 4.4/5
- Larger review base (69 reviews)
The Bottom Line
ClickHouse is our pick. Dremio has a free tier if you want to test without paying.
Frequently Asked Questions
Is Dremio or ClickHouse better?
ClickHouse is rated in our evaluation. Dremio is freemium and ClickHouse is paid.
What are Dremio and ClickHouse used for?
Dremio: The Agentic Lakehouse for AI and Analytics, providing fast, governed, and unified data access.. ClickHouse: Fast open-source analytics database.
What does Dremio cost vs ClickHouse?
Dremio is freemium (free tier + paid plans). ClickHouse is a paid tool. Visit their websites for detailed pricing.