A side-by-side of two vector databases for building AI agents — live GitHub data, languages, and what each is best at.
| DuckDB | LanceDB | |
|---|---|---|
| GitHub stars | ★ 39k | ★ 11k |
| Language | C++ | Rust |
| Category | Vector databases | Vector databases |
| Best for | analytical + vector search | embedded vector search |
| Repository | duckdb/duckdb | lancedb/lancedb |
DuckDB and LanceDB are both credible choices. By community traction, DuckDB leads (★ 39k). Pick DuckDB for analytical + vector search; pick LanceDB for embedded vector search.
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