Meta's RoboJEPA: 8B-parameter robot world model reveals first multi-embodiment scaling law

meta · hf · 2026-10-09

Meta released RoboJEPA, a JEPA-based latent world model trained on real-robot data spanning 12 embodiments. Its 'imagination error' follows a second-order power law in compute, enabling out-of-range quality prediction; downstream planning improves predictably with compute, and the model can be deployed zero-shot as a robotic agent planning toward a single goal image on real hardware. At 8B parameters it is the largest JEPA predictor to date, with checkpoints, training and deployment code all open-sourced.

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