From Genie 4 to ByteDance's world model: Zhang Yiming's "generate the next second" plan

Google released the world model Genie 4 on October 28; users can use natural language to change the weather, move the camera, and introduce characters in real time, and the model includes physical simulations such as aerodynamics and collisions, and adds sound generation for the first time. The article also reviews ByteDance's work on world models since 2024, including two routes, VLA and 3D simulation, as well as Seedance 2.5, Seed3D, and SeedRealtime, and Zhang Yiming personally coordinating resources with the aim of connecting AI models, cloud computing, content platforms, and Pico hardware.