Anthropic releases three new models as export restrictions lift overnight

Anthropic just dropped three "5" models in a single morning—Mythos, Fable, and Sonnet—while the Trump administration quietly lifted export restrictions on Fable and Mythos via a late-night letter. Claude Sonnet 5 brings enterprise-grade agent capabilities at half the price, but the real story is how Anthropic is dominating the release cycle while Amazon quietly searches for cheaper AI alternatives.