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Stateful Harness separates world rules from video rendering

huggingface.co by Chan Yan Ki et al. Editor score 7/10

The framework updates a rule-governed world state before using a frozen video model to render each event, and evaluates rule compliance on 50 counterfactual pairs. The best of 11 video backends produces both required endings in only 32% of pairs under rule-only prompting.

What

- Stateful Harness separates rule-based world evolution from video rendering for interactive world models.

Method

- It resolves user actions under persistent rules, renders resulting events with a frozen video model, then uses each clip to update state; the full harness reached 92% on the benchmark.

Why it matters

- Separating state execution from rendering can make interactive AI systems follow hidden state and rules without changing the video model.

Read on huggingface.co → Code · 3 stars

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