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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 wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick. Pick Dremio if you need a free tier to start with.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Oct 2026

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 a free tier before you commit
  • • You want significantly improves query performance (e.g., 10x faster, millisecond latency)
  • • You want reduces data setup time and eliminates manual work (e.g., 90% reduction, 60hrs eliminated)

ClickHouse

Fast open-source analytics database

Best for you if:

  • • You want extremely fast analytics
  • • You want good compression
At a Glance
DremioDremio
ClickHouseClickHouse
Starts at
FreeFree tier available
Custom
Best For
Data & DatabasesData & Databases
Rating
4.6/54.5/5
Free plan
Yes No

Choose Dremio or ClickHouse?

Dremio

Choose Dremio if

The Agentic Lakehouse for AI and Analytics, providing fast, governed, and unified data access.

  • You want a free tier before you commit
  • You want significantly improves query performance (e.g., 10x faster, millisecond latency)
  • You want reduces data setup time and eliminates manual work (e.g., 90% reduction, 60hrs eliminated)
ClickHouse

Choose ClickHouse if

Fast open-source analytics database

  • You want extremely fast analytics
  • You want good compression
FeatureDremioClickHouse
Pricing ModelFreemiumPaid
User Rating
★4.6/5
71 reviews
★4.5/5
23 reviews
Categories
Data & DatabasesAnalytics
Data & DatabasesAnalytics

In-Depth Analysis

DremioDremio

The Agentic Lakehouse for AI and Analytics, providing fast, governed, and unified data access.

Starts at Free
Good value

Dremio's pricing structure is fair, offering a consumption-based model that scales with usage.

Watch out

Self-managed upgrades in Enterprise tier require internal resources.

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

AI Semantic Layer for trusted AI contextData Unification with Zero ETL and AI functions for unstructured dataAgent Choice for data querying and visualization (integrated or custom)Open Catalog (Apache Polaris) with fine-grained access controlAutonomous Reflections for query accelerationAutomatic Iceberg Clustering for data layout optimization

ClickHouseClickHouse

Fast open-source analytics database

Starts at Custom
Good value

ClickHouse Cloud is genuinely cheap for read-heavy analytical workloads thanks to aggressive columnar compression and per-minute compute billing.

Watch out

Cross-region data transfer is billed separately. Multi-region architectures with replication can double or triple effective storage costs.

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

Analytics databaseColumnarFast queriesSQLReal-timeOpen source

Pricing: Dremio vs ClickHouse

PlanDremioClickHouse
Tier 1
$0.20 per DCU
Dremio Cloud
Basic
Tier 2
Contact Sales
Dremio Enterprise
usage-based
Scale
Tier 3N/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 (71 reviews). ClickHouse: 4.5/5 (23 reviews).

Go with: Dremio

Value user reviews?

Dremio: 71 reviews (4.6/5). ClickHouse: 23 reviews (4.5/5).

Go with: Dremio

3 Questions to Help You Decide

1

What's your budget?

Dremio is freemium. ClickHouse is paid. Dremio lets you start free.

2

What's your use case?

Both are data & databases tools. Compare their specific features to decide.

3

How important are ratings?

Dremio is rated higher: 4.6/5 vs 4.5/5.

Key Takeaways

ClickHouse

  • Our pick for this comparison

Dremio

  • Has a free tier
  • Higher user rating: 4.6/5 vs 4.5/5
  • Larger review base (71 reviews)

The Bottom Line

ClickHouse wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases 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.

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