Runway unveils open-weight world action model Praxis-1, hitting 0.95 correlation
lukas_m_ziegler · x · 2026-10-06
Runway introduced Praxis-1, an open-weight world action model that turns video pretraining into robot control. Trained on third-person video rather than teleoperation demos, its in-model simulation of robot policies predicts real-world outcomes with 0.95 correlation. The thesis: everyday video on the internet dwarfs what any robot lab can collect, so the performance ceiling is set by video availability, not robot demonstrations.
Related event: Runway Releases Open-Weight World Action Model Praxis-1 for Robot Control(4 posts)→
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