WorldArena 2.0 Challenge ranks world models on real robot manipulation

The WorldArena 2.0 Challenge, run by a Tsinghua University-led team at IROS 2026, ranked world models across three tracks. Track 1 video quality was won by Visincept's WorldIncept at 72.33, Track 2 reinforcement learning by MW2 at 72.93, and Track 3 real-robot manipulation by MiRobot's ViTacX at 76.64.