Potential Chinese limits on overseas distribution of open-weight models could recast frontier AI as a national security asset and reshape global model access. Consequences for token efficiency and cost structures point toward heavier reliance on post-training tuning, lightweight open models, and proprietary alternatives. Coverage includes GPT 5.6 and Fable 5 comparisons, SpaceXAI's Grok 4.5, Meta's Muse Image, Microsoft's Frontier Tuning, and the rise of model routers to balance capability, cost, and governance.

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