Awesome Jev

A curated list of projects, integrations, and resources for Jev, TypeSafe AI’s System One model: typed decisions with calibrated confidence instead of text.

Jev answers structured questions (Choice, Score, Noul) about program state in a single fast pass. The projects below use it for the questions that come up again and again in real software: should we, which one, how much, what next? Open-ended generation and deep reasoning still go to a conventional LLM.

658 entries · every one checked to actually call Jev · last reviewed 2026-11-13

There are over a thousand Jev repositories on GitHub, and most of them only mention it. This list is selective, and the bar is written down:

• Jev is central. Someone opened the code and confirmed the project calls Jev (or reproduces it), rather than naming it in a README.
• 10+ stars, so a day-one burst of near-identical repositories does not fill the list. Official projects and notable teams can arrive earlier.
• It runs. A README that explains what it does and how to run it.
• Numbers carry a source. Speed, cost and accuracy figures come from the project itself and are…