chDB-core: In-process OLAP SQL Engine

library 26.1.0 ·python

✓ verified Jun 30, 2026

chDB-core is an in-process OLAP SQL Engine, embedding the powerful analytical capabilities of ClickHouse directly within Python applications. It allows users to execute high-performance SQL queries without the need for a separate ClickHouse server installation or network communication. The library maintains an active development and release cadence, with version 26.1.0 being the current stable release.

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Resources

docschdb.readthedocs.io/en/latest/index.html ↗

githubgithub.com/chdb-io/chdb-core ↗

changeloggithub.com/chdb-io/chdb-core/releases ↗

packagepypi.org/project/chdb-core/ ↗

API endpoints

full doc /v1/registry/chdb-core

install /v1/registry/chdb-core/install

compatibility /v1/registry/chdb-core/compatibility