JEPA World Model Implementation for Super Mario Bros Dynamics
July 14, 2026
A custom Joint-Embedding Predictive Architecture (JEPA) reproduces LeWorldModel dynamics using Super Mario Bros pixels and actions. While the model predicts five-step futures more accurately than strong baselines and enables reward-free planning, it fails at long-horizon navigation and obstacle clearance.
HOW THIS AFFECTS YOU
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researcherThis demonstrates that predictive world modeling via JEPA does not inherently equate to goal-oriented policy mastery.