The AI boom has been built largely on progress in language models, but a different approach has gained enormous attention in the industry this year: world models, which are designed to generate accurate predictions about the physical world, rather than words and numbers.

I sat down with Amit Jain, co-founder and CEO of Luma AI, to discuss the promise of world models—and where current approaches to training them still fall short—on the latest episode of AI Deep Dive, The Information’s new show exploring the hard problems on tech’s frontier.