I TESTED POLARS 2.1 AGAINST DUCKDB 2.0 (10 MINUTE VIDEO)

Summary from the TLDR Data newsletter

DuckDB 2.0 adds client-server and AI features, while Polars improves streaming and processing of larger-than-memory datasets. On a 23 GB dataset with 2 GB RAM, Polars 2.0 ran out of memory, but 2.1 finished in 438 seconds, nearly twice as fast as DuckDB's 837 seconds.