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ClickHouse

  • Open source (Apache-2.0)
  • Self-hosted
  • 49.9k

Verified Sep 2026

The leading database for AI

Columnar OLAP that answers queries in milliseconds: the analytics database behind modern data apps.

The columnar OLAP engine: billions of rows, sub-second aggregations, materialized views, now with Postgres compatibility efforts and a Langfuse acquisition feeding its AI-analytics story. The real-time analytics default for product and log data.

Who it's for

Teams that need blazing-fast OLAP analytics over billions of rows in real time.

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