patterns · 4 groups
Where a decision beats a reply.
A decision model picks one option from a known set and reports how confident it is. These are the places that pays off.
Fit check · 4 questions
Would Jev suit your product?
Answer four short questions for a plain-language summary and a ready-to-paste prompt for Cursor, OpenCode or Claude Code.
Figures on these cards are reported by the linked sources. JevBench results appear only on the leaderboard.