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After nearly three weeks of being "frozen" due to a US government export control order, the most powerful AI model ever widely released by Anthropic — Claude Fable 5 — has officially resumed operations globally as of 1 July 2026.

In less than a week, Anthropic experienced two contrasting historic milestones: launching the most powerful AI model ever publicly released, then being forced to shut it down entirely by order of the US government.