Viggle unveils JST-2, an AI that generates entire 3D worlds in seconds, expands them in real time, and creates animated characters. Unlike traditional AI video generators, it builds environments directly in 3D with physics built in.

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Viggle's JST-2 is shifting the paradigm from pixel-based video generation to native 3D world building with integrated physics. The model allows for real-time environment expansion and character animation within a spatial context rather than a 2D frame. This represents a significant step toward functional 'world models' that understand depth and physical constraints.