compare
chDB vs DuckDB
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | chDB | DuckDB |
|---|---|---|
| Language | Python | C++ |
| Licence | Apache-2.0 | MIT |
| Stars | 2.9k | 42k |
| Latest | v4.4.0 | v1.5.6 |
| Last push | 2026-10-02 | 2026-10-06 |
| Release cadence | about 24 days between releases | about 31 days between releases |
| Active contributors | 5 commit authors on the default branch in the last 90 days | 46+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
chDB replaces DuckDB. Alternatives to DuckDB →
PartialIn-process SQL OLAP engine for Python built on ClickHouse, with ClickHouse's SQL dialect and functions.
chDB
- v4.4.02026-09-11Requires chdb-core>=26.7.0; the durable extras require chdb-core>=26.7.3.
- v4.3.02026-08-17Release chDB with chdb-core 26.7.0 and ADBC extra support.
- v4.2.12026-07-13Requires chdb-core>=26.5.0.
- v4.2.02026-07-02Requires chdb-core>=26.5.0.
- v4.1.92026-06-09feat(datastore): mirror pandas iteration on LazyGroupBy / SeriesGroupBy
chDB
✓ signed The latest release, v4.4.0, carries a signature GitHub verified.
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DuckDB
✓ signed The latest release, v1.5.6, carries a signature GitHub verified.
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