Google's CEO Sundar Pichai officially introduced the Genie 4, describing it as their "most realistic and interactive world model" while explaining the features. The model is now a research preview for trusted testers.
Sound And Real-Time Controls
Unlike earlier versions, Genie 4 makes sound along with visuals. Music, background noise such as wind or waves, and even spoken dialogue are created together with the world. Characters can talk and react to what the user does in real time.
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Users move around and control the camera with standard keyboard keys. Typed prompts can change the scene, such as switching the weather, adding a person or an object, or moving the camera. Google's Gemini models adapt these prompts to fit the scene and keep the world consistent as it grows.
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Bigger Leap In Realism
Google says realism is the biggest improvement. Genie 4 simulates physics such as aerodynamics and collisions. Human characters move more naturally and respond to their surroundings. In demos, the model produced a misty lake with a saxophone player, a 1980s Japanese train station and a stained-glass landscape.
Excited to share Genie 4 today our most realistic and interactive world model: - steer dynamic environments in real time, shaping events, camera angles, and actions - generate native audio matched to the world, from realistic background sounds to characters who can converse in real time! - simulate photorealistic scenes and real-world physics - create more coherent multi-step events through reasoning from Gemini We've started to roll out as a research preview to trusted testers. Coming soon to Google AI Ultra subscribers in Project Genie and early access partners via the Gemini API and AI Studio.
— Sundar Pichai (@sundarpichai) October 27, 2026
Working With Gemini On Multi-Step Tasks
The model also works with Gemini to handle tasks that need many steps. Gemini splits a goal into steps and checks each frame to see if a step worked. It changes the plan if the world changes. Google showed this with robots, including a humanoid playing checkers.
The company sees this as a way to test how AI systems and robots behave in different settings before they face the real world.
Early Testers Put It To Use
Filmmakers are using Genie 4 as a quick draft mode to run scenes and adjust angles, lighting and dialogue. Photojournalists are turning a single archival photograph into a scene that can be explored. Game developers use it to prototype ideas without writing engine code. Some companies are testing it to generate scenarios.
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Still Early Research
Google says this is early research. Details and objects can shift or drift over time, mainly in long sessions or after many edits. Complex physics, accurate audio, readable text and long-term consistency are still being worked on.
Safety And Availability
Google says Genie 4 has strict guardrails and went through internal checks. Every video and audio clip it makes carries SynthID, Google's invisible watermark for AI-generated content.
Genie 4 is coming soon to Google AI Ultra subscribers through Project Genie. It will also reach early-access partners in the Gemini API and Google AI Studio. A waitlist is open.
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