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Alibaba's ATH team has released Happy Oyster, a real-time world model that allows users to walk through, direct, and change AI-generated environments on the fly, available via API on Reactor.
AnchorWorld is a framework for egocentric world simulation that enhances interaction integrity and enables flexible world customization through 3D human motion and anchor view definitions, outperforming state-of-the-art baselines.
This paper introduces WorldReasonBench and WorldRewardBench, new benchmarks designed to evaluate video generation models' ability to reason about world-state evolution and physical consistency. The research highlights a gap between visual plausibility and true logical reasoning in current commercial video generators.