Action conditioning
An action-conditioned predictor takes a proposed action into account when predicting a future state. V-JEPA 2 adds robot action data after its actionless video pretraining stage.
Why it matters
Changing the proposed action should change the predicted outcome. Passive video understanding and action-conditioned control therefore require different evidence.
Relationships
informsAction conditioning → Planner
Related models
WML · World Model Laboratory
Explore the connection between perception, prediction, planning, and action studied in WFM through experiments in WML. Compare predictions with simulated outcomes in interactive physics scenes, then explore a different action from the same decision point.
Educational simulation: WML uses simplified predictors; it does not validate the performance of learned foundation world models or transfer to the real world.
Open the experiment in WML