Dyna-2 Shows Scaling Laws in World-Action Models Trained on 1M Hours of Video

DJiafei · x · 2026-08-15

Dyna Robotics published a research blog on Dyna-2, a World-Action Model (WAM) pre-trained on over one million hours of human video data. Key findings include that the model exhibits clear scaling laws on held-out human data. Crucially, it demonstrates the emergence of a human-to-robot transfer scaling law on unseen robot data, proving that scaling human video pre-training directly improves zero-shot robot performance.

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