Key Info

OpenRouter is showcasing Jev, a decision model from Typesafe AI that answers yes/no and multiple-choice questions with a confidence score. It is aimed at low- and medium-entropy tasks: instead of relying on a heavy generation step for every micro-moment, developers can break work into small decisions that are fast and cheap to run.

Highlights

  • Jev returns a confidence score with each answer, making it practical for decisions on every message, tool call, or even sentence.
  • The model is described as roughly 10x cheaper for this class of decision task, emphasizing speed and cost over open-ended generation.
  • OpenRouter has published demo mini apps with source code in OpenRouter Labs and provides a dedicated model page on OpenRouter.