ArticleResearch8 min
I tested Jev's confidence. Don't trust the number yet.
A pre-registered test of TypeSafe's Jev against Claude Opus 5.5 and a local Qwen3-14B on 340 decisions with known answers: accuracy, calibration, cost and speed, per class.
evalscalibrationjev+2
Asif Waliuddin
Oct 1, 2026