Jev from TypeSafe AI ( @typesafeai ) is now available on

Announced Jev on Merge Gateway, taking unstructured state and typed questions to return calibrated decisions at low latency.
The original post
Jev from TypeSafe AI ( @typesafeai ) is now available on Merge Gateway. Send unstructured state and a typed question, and Jev returns a typed decision with a calibrated probability with little latency. Input runs $0.042 per million tokens and output is free.
Engagement when collected
Numbers are a snapshot taken from X when the case was added to the library (schema v1, collected 2026-09-19); they will not match today.
Where this case fits
Filed under general Jev builds. In the pattern Jev is built for, the model answers a bounded question per step — and ordinary code acts on the answer, because the answer is already a value rather than a paragraph. Browse the full case library for the work it sits next to.
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Last updated: 2026-09-22 · sources & corrections · every card links to its author's original post