AI Engineering

Sep 18, 2026 · Artificial Intelligence

Jev: The Decision-Only AI Model That Sparked 14 Projects in 48 Hours

TypeSafe AI's Jev model, a non-generative 'System One' classifier using parallel constrained decoding and RLCD calibration, delivers 20-200x speedups and 40-400x cost reductions over LLMs for structured decisions, spawning 14 open-source projects in 48 hours for routing, browser automation, coding tools, game control, and rocket landing.