
Genie 4, explained: what world models are, and why Google keeps chasing them
On October 27, 2026, Google DeepMind announced Genie 4, its newest world model. Unlike an AI video model — which hands you a finished clip — Genie 4 generates a world you step into: it responds to your keyboard every frame, you can rewrite the scene mid-simulation with plain English, and the world now carries its own live sound — wind, footsteps, music, spoken dialogue — instead of a soundtrack laid over video afterwards. The new capabilities are the story, but they are also this moment's clea








