WestWorld: A Knowledge-Encoded Scalable

Trajectory World Model for Diverse Robotic Systems

WestWorld Matches Ground Truth Most Accurately

Go1 Quadruped (Walk Straight)

Hopper (Hop Forward)

Walker2D (Walk Forward)

Real-World Deployment on Go1 Quadruped

Pretraining Yields Largest Gains for WestWorld

Go1 Quadruped (Walk Straight)

With Pretraining
Without Pretraining

Hopper (Hop Forward)

With Pretraining
Without Pretraining

Walker2D (Walk Forward)

With Pretraining
Without Pretraining