The Anthropic Fable mess, explained
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A detailed timeline of the Anthropic-Fable controversy that unfolded over 72 hours in June 2026. Anthropic released Fable 5, a safety-constrained version of its powerful Mythos model family with novel cybersecurity capabilities. After Amazon and other companies reported finding ways to bypass Fable 5's safeguards, the White House urged Anthropic to voluntarily pull the model. When Anthropic's CEO Dario Amodei declined to commit to removing it, the Trump administration imposed export controls on both Fable 5 and Mythos 5, forcing Anthropic to disable access for all customers globally. The author argues Anthropic mostly handled the situation correctly, and the episode inadvertently served as strong advertising for Fable's capabilities.
