AlexNet, created by Alex Krizhevsky, Sutskever and Geoffrey Hinton, used a deep convolutional neural network (CNN)—a powerful new type of computer program—to recognize images far more accurately than ever, kick-starting major progress in AI.

Once friends and business partners, and now rivals, Elon Musk and Sam Altman are dueling it out in a California federal courtroom. Their personal animus may impact the course of generative AI model development,