Viggle launches JST-2, a physics-native 3D world model that generates scenes in seconds
anthara_ai · x · 2026-10-20
Viggle released JST-2, which it calls the world's first full-stack physics-native world foundation model.
Unlike most world models trained in pixel/video space, JST-2 was built from first principles with the entire stack in 3D: it can generate a 3D scene in seconds, expand it in real time, and create characters with built-in motion — all through one general architecture. The demo shows a 3D scene produced in about a second.
The retweeting account notes that once environments stop being the slow part of development, indie studios' workflows could change significantly.
Related event: Viggle Launches JST-2, a Physics-Native 3D World Foundation Model(6 posts)→
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