‘A new study from University of Chicago Law School researchers has uncovered a stark contrast between AI and human judicial decision-making, potentially reshaping our understanding of technology’s role in the legal system. The research, conducted by Eric A. Posner and Shivam Saran, replicated an experiment previously run with 31 U.S. federal judges but used OpenAI’s GPT-4o as the decision-maker in a simulated international war crimes appeal.’