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Frontier AI at a cost: what Anthropic’s Fable 5.1 means for the US-China model race

This story is from 2026-09-02. It is preserved in the archive; the latest stories are on the live feed.

Anthropic’s powerful new Claude Fable 5.1 model has widened its lead in performance benchmarks over Chinese rivals, even as budget-friendly open-weight models from China continue to gain commercial traction globally. The American company said on Wednesday that Fable 5.1, along with a restricted-acc…

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  1. 2026-09-02 11:30 · South China Morning Post Tech
    Frontier AI at a cost: what Anthropic’s Fable 5.1 means for the US-China model race

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