caus

Open world models.
Native on Mac.

Caus app icon
Backed by Y Combinator
CAUS-CODEWORLD-1

Prompt anything. Play it.

Describe a world and who you are in it. It is built with physics and rendered live on a GPU while you play.

“Play as a horse exploring a medieval castle”
“A backyard basketball hoop on a summer evening: shoot free throws”
“Drive a little red car around an empty parking garage”
“Play as a tourist exploring a misty castle courtyard”

Video you can walk into.

World models generate each frame from your keyboard and mouse.

Worlds to explore

Browse all worlds

Runtimes

All models
A rooftop at sunset with basketballs in the air, rendered live by caus-codeworld-1
PROMPT TO WORLD · REMOTE

caus-codeworld-1

Describe a world or drop in a photo, then play it. Rendered live in the cloud.

By caus
Renderer by MirroS Lab
About the renderer
A car on a wet city street, rendered live by Matrix-Game 4.0
NEURAL GAME RENDERING

Matrix-Game 4.0

Low-poly games, rendered live in the cloud.

By Skywork AI
Hosted by caus
About the model
A street on Mirage, rendered live by WorldCast
CS2 WORLD MODEL

WorldCast

Counter-Strike 2, rendered live in the cloud.

By Ye et al.
Hosted by caus
About the model
A rope bridge between floating islands, generated with Waypoint
IMAGE TO WORLD

Waypoint-1.5

Walk into any image.

By Overworld
MLX port by caus
About the model
A CS:GO environment from the DIAMOND world model
CS:GO WORLD MODEL

DIAMOND · CS:GO

Dust 2, learned from gameplay. Private preview.

By Alonso, Jelley et al.
MLX port by caus
About the model
A Minecraft field generated by the Oasis world model
MINECRAFT WORLD MODEL

Oasis 500M

Minecraft, generated frame by frame.

By Decart and Etched
MLX port by caus
About the model
Two race cars on a track, generated by the Multiverse world model
TWO-PLAYER WORLD MODEL

Multiverse

Two players, one learned racetrack.

By Enigma Labs
MLX port by caus
About the model

Faster on your Mac

The same model on the same Mac, run by its original code and by Caus.

Every model
CAUS FOR MAC

Mac app preview

A signed public installer is not available yet. The recording shows the current development build.

Apple silicon · MLX runtimes