Claude Fable 5 Is Suddenly Unavailable: What Happened, Why, And What It Actually Means
Quick verdict: On June 12, 2026, Anthropic abruptly switched off its two most advanced models, Claude Fable 5 and Claude Mythos 5, for every single customer. Not because of a bug, not because of a bad launch, but because the US government handed them an export control directive citing national
