Small Models Decide, Code Does, LLMs Think

I spent an evening taking model calls out of a browser agent. A Google Flights task went from 15 seconds to under 7. The biggest gains came from moving dates, ranking, and field values into code. That experiment changed how I think about where models belong in a system. What prompted it On September 15, TypeSafe AI launched Jev and called it a System One model, after Kahneman’s fast, intuitive System 1....

September 26, 2026 · 6 min · 1167 words · Me