A UC Berkeley professor has stopped grading students’ homework for correctness after noticing artificial intelligence tools were helping them rack up top marks. Richard Borcherds, a renowned mathematician who received the prestigious Fields Medal in 1998, said widespread student use of AI has undermined the value of traditional homework grading. “Student use of AI for homework is now widespread,” Borcherds told The California Post. “Grading for correctness just adds a huge incentive for them to use AI for homework instead of doing it themselves, and penalizes students for honesty.” Sign up for the California Morning Report newsletter The biggest news, opinion and culture shaping California right now. Thanks for signing up! Paying graders to evaluate AI generated answers is also a waste of time and money, he said. Borcherds now awards credit based primarily on whether students complete their assignments rather than whether their answers are correct, acknowledging that he does not know of a better solution. The professor said it has become increasingly difficult to distinguish work produced by artificial intelligence from work written by students themselves. “There is no easy…