Dyna Robotics introduces Dyna-2 world-action model
Rewkang · x · 2026-08-11
Dyna Robotics has introduced Dyna-2, a world-action model pre-trained on 1 million hours of human video data.
At this massive scale, the team discovered several new scaling laws:
- World-action models exhibit scaling laws on human data across four orders of magnitude (from 1,000 to 1,000,000 hours).
- This human data scaling law implies a scaling law on never-before-seen robot data.
- Both data and objective functions matter; world modeling and scaling on video data are essential for cross-embodiment scaling transfer to emerge.
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