DuckDB extension uses Jev to classify CSV rows in ~10s per 1k rows

josh_wills · x · 2026-09-17

Developer hamiltonulmer shipped a DuckDB extension that lets you classify rows of any CSV/Parquet file or DuckDB table using Typesafe AI's Jev, right inside SQL — roughly 10 seconds per 1,000 rows.

He argues it beats calling a general-purpose LLM on speed while being far more ergonomic than a traditional classifier, making it a handy addition to data-analysis pipelines for labeling and categorizing text columns.

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