← Index

RANKAgents & automation

Typesafe AI's Jev Model

Video preview0:07

Jev is an AI model that provides typed decisions, such as yes/no probabilities, list selections, or scores, instead of conversational text, operating significantly faster and cheaper than full LLM calls.

Pattern Jev AI decision models

typesafe just released an ai model that never writes a single word. jev is typesafe ai's first "system one" model, launched september 15. it returns typed decisions instead of chatting, a yes/no probability, a pick from a list, or a score, each in 70-500ms. > 200x faster & 400x cheaper than a full llm call > answers multiple questions per request in parallel > trained for calibrated probabilities, not chat quality three things people already built with it, and you can run yourself: 1. found a flight in 7 seconds for $0.0039, 5-line install 2. a claude code tip found by ranking 1,000 posts with jev 3. 63k-star trading repo now runs its backtests on jev