DuckDB exposes Postgres SQL, and most coding LLMs have been trained on that. Of the small models I tested, Qwen 3.5 is the clear winner. Going to larger LLMs,

DuckDB exposes Postgres SQL, and most coding LLMs have been trained on that. Of the small models I tested, Qwen 3.5 is the clear winner. Going to larger LLMs, Sonnet and Opus lead the charts.