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Jun 5, 2026 · Artificial Intelligence

Tongji’s “Boundless” World Model Wins Open‑Source #1 and Overall #2 in WorldArena

The Tongji University “Boundless” world model achieved the top open‑source score (64.54) and the second‑overall rank (67.87) on WorldArena’s Track‑1, demonstrating high‑quality video generation, stable long‑sequence physics, and embodied interaction across six evaluation dimensions, while using data‑efficient training and a hybrid open/closed‑source strategy.