Typesafe AI's Jev Model
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