
Jev, the AI That Never Writes a Sentence: Cheaper and Faster Than Claude, But Accuracy Swings With How You Ask
TypeSafe AI's judgment-only model Jev lost to Claude Haiku 4.5 on a single phishing-detection question in a third-party benchmark released two days after launch. Splitting the task into 5 questions and fitting weights on 1,000 labeled emails pushed it to 95.0%. Yet Haiku's single signal at 94.2% actually beats its own 5-question composite of 93.2%.








