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ClickHouse vs MotherDuck

ClickHouse: Open-source columnar OLAP database known for very fast aggregations over billions of rows. MotherDuck: Serverless cloud data warehouse built on DuckDB, with hybrid local-plus-cloud execution.

key differences

  • Licensing: ClickHouse is open source (permissive) (Apache License 2.0); MotherDuck is proprietary (Proprietary).
  • ClickHouse is built for larger datasets (Multi-PB) than MotherDuck (≤ 10 TB).
  • Horizontal scaling is native in ClickHouse and none in MotherDuck.
  • Transactions: ClickHouse offers limited ACID; MotherDuck offers full.
  • Only ClickHouse has secondary indexes, full-text search, vector search, geospatial, materialized views.
  • Only MotherDuck has transactions, runs in webassembly.

choose clickhouse for

  • +Product and web analytics
  • +Log and observability backends
  • +Real-time dashboards over event streams
  • +Time-series and IoT metrics at scale

best at · Real-time analytics, OLAP, Observability

choose motherduck for

  • +Startup and team data warehouse
  • +Embedded analytics in SaaS apps
  • +Hybrid local/cloud data exploration
  • +Serving DuckDB-based dashboards

best at · Warehouse, OLAP, Lakehouse

ClickHouseOpen-source columnar OLAP database known for very fast aggregations over billions of rows.
MotherDuckServerless cloud data warehouse built on DuckDB, with hybrid local-plus-cloud execution.
overview
Primary model
Columnar / OLAP
Columnar / OLAP
Also supports
Relational, Document, Vector, Time-Series
Relational, Document
Type
Database engine
Managed service
Status
Active
Active
Developer
ClickHouse, Inc.
MotherDuck
First release
2016
2023
Latest version
26.10.2.103 (Oct 24, 2026)
–
License
Open source (permissive)Apache License 2.0
ProprietaryProprietary
Free tier
✓
✓
popularity
WhichDB Score
69.8
37.7
Rank
#10
#52
GitHub stars
50.6K
–
Stack Overflow questions
2.2K
–
scale & guarantees
Comfortable data size
Massive (Multi-PB)
Medium (≤ 10 TB)
Horizontal scaling
Native
None
Multi-region
Read replicas
None
ACID
Limited
Full
Consistency
Eventual
Strong
Schema
Strict
Strict
Architecture
Distributed, Shared storage, Single node, Client server
Serverless, Shared storage, Client server
deployment
Self-hosted
✓
—
Vendor-managed cloud
✓
✓
Serverless
✓
✓
Embedded
—
—
Edge
—
—
Clouds
AWS, Google Cloud, Azure, Alibaba Cloud, Tencent Cloud, Aiven
AWS
capabilities
Transactions
—
✓
Joins
✓
✓
Secondary indexes
✓
—
Full-text search
✓
—
Vector search
✓
—
Geospatial
✓
—
JSON
✓
✓
Change data capture
—
—
Triggers
—
—
Stored procedures
—
—
Materialized views
✓
—
TTL / expiry
✓
—
Pub/Sub
—
—
Columnar storage
✓
✓
In-memory
—
—
Durable persistence
✓
✓
Compression
✓
✓
Encryption at rest
✓
✓
Role-based access
✓
—
Time travel
—
—
Branching
—
—
Online schema changes
✓
✓
Streaming ingest
✓
—
Offline sync
—
—
Runs in WebAssembly
—
✓
interfaces
Query languages
SQL (ClickHouse dialect), PRQL, KQL (experimental)
SQL (DuckDB dialect)
Client languages
Python, Go, Java, JavaScript, Rust, C++, C#
Python, JavaScript, Java, Go, R
Best for
Real-time analytics, OLAP, Observability, Warehouse
Warehouse, OLAP, Lakehouse
Add more to this comparisonNot sure either fits? Try smart match

ClickHouse vs MotherDuck: FAQ

What is the difference between ClickHouse and MotherDuck?

ClickHouse: Open-source columnar OLAP database known for very fast aggregations over billions of rows. MotherDuck: Serverless cloud data warehouse built on DuckDB, with hybrid local-plus-cloud execution. Licensing: ClickHouse is open source (permissive) (Apache License 2.0); MotherDuck is proprietary (Proprietary). ClickHouse is built for larger datasets (Multi-PB) than MotherDuck (≤ 10 TB). Horizontal scaling is native in ClickHouse and none in MotherDuck.

When should I choose ClickHouse over MotherDuck?

Choose ClickHouse for product and web analytics; log and observability backends; and real-time dashboards over event streams. Choose MotherDuck for startup and team data warehouse; embedded analytics in SaaS apps; and hybrid local/cloud data exploration.

Is ClickHouse or MotherDuck more popular?

ClickHouse ranks #10 on the WhichDB Score (69.8/100) and MotherDuck ranks #52 (37.7/100). Popularity is not fit: check the requirements that matter for your project.

Are ClickHouse and MotherDuck open source?

Yes. ClickHouse is open source. License: Apache License 2.0. No. MotherDuck is proprietary, closed-source software.