Google Deepmind's Genie 4 puts a modern spin on agent designs that predate LLMs

Google Deepmind introduced Genie 4, a real-time world model that renders scenes frame by frame in response to keyboard and text-prompt input, generates its own background audio, and simulates talking characters. Gemini models plan the simulation in the background to keep it coherent, with Gemini 3.8 Flash checking multistep goals and Gemini 4 Argon tested in a demo where Genie 4 simulates Apptronik's Apollo robot playing checkers. Deepmind calls Genie 4 an early experimental model that stays consistent over short sessions but can drift in longer ones; it is available to select testers as a research preview, with SynthID watermarking on all output.