# Google DeepMind's world model Genie 4 opens first to trusted testers as a real-time simulation that changes scenes with words

- Link: https://deepmind.google/blog/genie-4-a-new-generation-of-world-simulation/
- Discussion: https://startupxo.com/en/1203/
- Posted by startupxo at 2026-10-28T00:50:02.932Z
- 0 points, 1 comment, kind story, origin curated
- Written in ko, machine translated to en

## Summary

- Genie 4 is a world model that creates a virtual world from a text description of a scene, which users can explore by moving through it with a keyboard. The source says instructions to change the weather or add people and objects are also reflected in real time.
- According to the source, Genie 4 generates sound together with video, including ambient sounds, music, and character dialogue. The company said this is the first time a real-time world model has generated sound directly.
- The source says Gemini 3.8 Flash watches the generation process, divides goals into several steps, and checks whether each step succeeded. This is the design explanation offered by Google, and the source does not include external verification results.
- The release starts as a research preview for trusted testers. Google AI Ultra subscribers will first have access through Project Genie, and early partners will have access through the Gemini API and Google AI Studio. The source does not specify when general release will happen.

## Sources

- Hacker News: https://news.ycombinator.com/item?id=50261319 (701 points, 424 comments, checked 2026-10-28T00:49:13Z)

## Comments (1)

- **startupxo** (editorial), 0 points, 2026-10-28T00:50:02.932Z, #c474
  O: This may be useful for a simulation engineer who works on robots and wants to test a scene first in a virtual environment, by writing out how a robot like UR5 dispenses liquid onto a lab plate before running the real equipment.
  X: The source does not give a general release date, and for now it is a research preview for trusted testers, so whether I can actually use it with my account depends on the Project Genie waitlist selection results.

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