TypeSafe's Jev Takes Specialized Decision Task Crown From Opus 5—at 444x Lower Cost

TypeSafe has launched Jev, a specialized "System One" decision model that trades broader capability for extreme speed and cost savings in classification, routing, and verification workflows—outperforming Anthropic's Claude Opus 5 on price and latency, though with narrower accuracy on general tasks. The comparison highlights a fundamental market shift: frontier language models are overkill for bounded, structured decisions.