What is ClickHouse?
ClickHouse is a columnar SQL database built for fast analytical queries over large datasets, originally developed internally and open-sourced in 2016. ClickHouse, Inc. was incorporated in 2021 and is headquartered in the San Francisco Bay Area, with a subsidiary in Amsterdam. The core database remains free under the Apache 2.0 license; ClickHouse Cloud is a separate usage-based managed service starting around $50/month.
Read the full overview
Sources checked 27 September 2026: official website, documentation, GitHub repository, pricing page.
Key capabilities
- Columnar SQL engine: Vectorized execution built for sub-second aggregate queries.
- Multiple protocols: Native, HTTP and MySQL-compatible wire interfaces.
- Deployment choice: Self-hosted (free) or ClickHouse Cloud (usage-based, from ~$50/month).
Real-time analytics and OLAP database workloads are the primary use case.
Shortlist ClickHouse when you need fast aggregation over billions of rows for analytics, observability or logging. Compare the operational cost of self-hosting a cluster against ClickHouse Cloud's usage-based pricing.
Benchmark against your actual query patterns and data volume, and confirm your team's plan for cluster sizing and backups before choosing self-hosting over ClickHouse Cloud.
Technical details
- Access
- Self-hosted
- Source model
- Open source
- Founded
- 2016
- Headquarters
- San Francisco, USA
- Pricing model
- Freemium
- API
- Not specified
- Website
- clickhouse.com ↗
Official resources
What to verify for your environment
Start from the users, systems and operating responsibilities the tool needs to support.
- Confirm current features, licensing and support terms with the publisher.
- Validate deployment, data location, access control, backup and recovery requirements.
- Test integrations, export paths and a representative operational workflow before committing.
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