With everyone’s attention fixed on powerful chatbots like ChatGPT and Claude, it’s been easy to overlook the growth of another field of artificial intelligence: world models. These systems can grasp three-dimensional space and physics, providing the foundation for everything from robots to smart glasses to self-driving cars — and a capability that today’s chatbots lack. In the past two weeks, Nvidia Corp.,
ChatGPT and Claude? The Real AI Action Is Elsewhere: Parmy Olson
April 23, 2026, 4:00 AM UTC