world model

Definition of world model

1. : an AI system that learns how the physical world behaves, such as how objects move and react, so it can predict or simulate what happens next

   • The robot uses a world model to imagine the outcome before it grabs the cup.
   • Some world models can generate playable, interactive 3D scenes.

2. : an internal picture of reality that a model may or may not form while learning

   • Researchers debate whether language models have a real world model or just good statistics.