GWM-1 can simulate environments, physics and motion. But one of the most complex things to simulate is human behavior – the way people look, move and respond in conversation in a way that feels natural and immersive. This is really difficult to get right.

We believe we’ve… pic.twitter.com/QyDNcH2xiK

— Runway (@runwayml) 11 décembre 2025

GWM-1 can simulate environments, physics and motion. But one of the most complex things to simulate is human behavior – the way people look, move and respond in conversation in a way that feels natural and immersive. This is really difficult to get right. We believe we’ve

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