DataFunSummit

Sep 1, 2026 · Artificial Intelligence

AI Generates One‑Shot Semantic Layers: MotherDuck Finds Eval More Valuable Than the Model

MotherDuck’s experiment shows that while AI agents can automatically build a Malloy semantic layer, the layer does not improve token efficiency or answer accuracy compared with plain Markdown + SQL, and the real long‑term asset may be the evaluative tests rather than the semantic model itself.