DataFunSummit

Sep 30, 2026 · Artificial Intelligence

Why AI Agents Need a Dedicated Decision Layer: Inside Jev's System One Model

TypeSafe AI's Jev introduces a specialized 'System One Model' that replaces free-form LLM generation with fast, cheap structured decisions (Choice, Score, Noul) for high-frequency Agent control tasks like tool routing, guardrails, and context compaction, revealing an emerging Decision Layer in Agent architecture.