Digging into Jev today, TypeSafe's new "System One" model that skips text generation entirely. You give it app state + a question, it hands back typed decisions & probabilities, not prose. It literally can't hallucinate, because it only ever picks from labels you define upfront, no free text, no room to invent stuff. Also apparently 40-200x faster than frontier LLMs. Here's a table comparing Jev with traditional LLMs: