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ClickHouse vs Actian Analytics Engine (Vector)

ClickHouse: Open-source columnar OLAP database known for very fast aggregations over billions of rows. Actian Analytics Engine (Vector): Actian's vectorized columnar analytics database, born from CWI's X100; renamed Analytics Engine in 2026.

key differences

  • Licensing: ClickHouse is open source (permissive) (Apache License 2.0); Actian Analytics Engine (Vector) is proprietary (Commercial).
  • ClickHouse is built for larger datasets (Multi-PB) than Actian Analytics Engine (Vector) (≤ 1 PB).
  • Transactions: ClickHouse offers limited ACID; Actian Analytics Engine (Vector) offers full.
  • Only ClickHouse has full-text search, geospatial, json, materialized views, ttl / expiry.
  • Only Actian Analytics Engine (Vector) has transactions.
  • ClickHouse has a serverless option; Actian Analytics Engine (Vector) does not.

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 vector for

  • +Enterprise data warehouses and data marts
  • +Sub-second BI dashboards on large fact tables
  • +On-prem analytics where data cannot leave the site
  • +Replacing ageing Netezza-class appliances

best at · OLAP, Warehouse, Real-time analytics

ClickHouseOpen-source columnar OLAP database known for very fast aggregations over billions of rows.
Actian Analytics Engine (Vector)Actian's vectorized columnar analytics database, born from CWI's X100; renamed Analytics Engine in 2026.
overview
Primary model
Columnar / OLAP
Columnar / OLAP
Also supports
Relational, Document, Vector, Time-Series
Relational, Vector
Type
Database engine
Database engine
Status
Active
Active
Developer
ClickHouse, Inc.
Actian (HCLSoftware)
First release
2016
2010
Latest version
26.10.2.103 (Oct 24, 2026)
8.0 (Jul 31, 2026)
License
Open source (permissive)Apache License 2.0
ProprietaryCommercial
Free tier
✓
✓
popularity
WhichDB Score
69.8
3.7
Rank
#10
#428
GitHub stars
50.6K
–
Stack Overflow questions
2.2K
–
scale & guarantees
Comfortable data size
Massive (Multi-PB)
Large (≤ 1 PB)
Horizontal scaling
Native
Native
Multi-region
Read replicas
None
ACID
Limited
Full
Consistency
Eventual
Strong
Schema
Strict
Strict
Architecture
Distributed, Shared storage, Single node, Client server
Single node, Distributed, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
✓
✓
Serverless
✓
—
Embedded
—
—
Edge
—
—
Clouds
AWS, Google Cloud, Azure, Alibaba Cloud, Tencent Cloud, Aiven
–
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
Client languages
Python, Go, Java, JavaScript, Rust, C++, C#
Java, C, C#, Python
Best for
Real-time analytics, OLAP, Observability, Warehouse
OLAP, Warehouse, Real-time analytics, Vector search
Add more to this comparisonNot sure either fits? Try smart match

ClickHouse vs Actian Analytics Engine (Vector): FAQ

What is the difference between ClickHouse and Actian Analytics Engine (Vector)?

ClickHouse: Open-source columnar OLAP database known for very fast aggregations over billions of rows. Actian Analytics Engine (Vector): Actian's vectorized columnar analytics database, born from CWI's X100; renamed Analytics Engine in 2026. Licensing: ClickHouse is open source (permissive) (Apache License 2.0); Actian Analytics Engine (Vector) is proprietary (Commercial). ClickHouse is built for larger datasets (Multi-PB) than Actian Analytics Engine (Vector) (≤ 1 PB). Transactions: ClickHouse offers limited ACID; Actian Analytics Engine (Vector) offers full.

When should I choose ClickHouse over Actian Analytics Engine (Vector)?

Choose ClickHouse for product and web analytics; log and observability backends; and real-time dashboards over event streams. Choose Actian Analytics Engine (Vector) for enterprise data warehouses and data marts; sub-second BI dashboards on large fact tables; and on-prem analytics where data cannot leave the site.

Is ClickHouse or Actian Analytics Engine (Vector) more popular?

ClickHouse ranks #10 on the WhichDB Score (69.8/100) and Actian Analytics Engine (Vector) ranks #428 (3.7/100). Popularity is not fit: check the requirements that matter for your project.

Are ClickHouse and Actian Analytics Engine (Vector) open source?

Yes. ClickHouse is open source. License: Apache License 2.0. No. Actian Analytics Engine (Vector) is proprietary, closed-source software. License: Commercial.