by Jacqueline Mitchell, Beth Israel Deaconess Medical Center Performance of Generative Pre-trained Transformer 4 (GPT-4) Histogram of GPT-4’s performance. Performance scale scores (Bond et al2): 5 = the actual diagnosis was suggested in the differential; 4 = the suggestions included something very close, but not exact; 3 = the suggestions included something closely related that might have been helpful; 2 = the suggestions included...