Professor suspected AI-powered cheating on take-home midterms, makes finals in-person — only two students scored within 10% of their midterm score

Summary

A Brown University professor suspected that almost his entire class cheated on take-home mid-term exams using AI tools after they scored unusually high. In-person final exams showed that only two students scored within 10% of their midterm score, with just one getting a higher grade compared to their midterms.