Anthropic's Fable & Mythos 5.1, Meta's $17B Child-Safety Settlement, Gemini 3.8 Flash
Anthropic launched Claude Fable 5.1 and Mythos 5.1 on September 1 with doubled science scores and a new anti-distillation safeguard. Mythos 5.1 uses the same weights as Fable but lifts cybersecurity restrictions for vetted defenders through the Glasswing program — crystallizing the defining architectural pattern of the month: intelligence is converging across labs while access regimes diverge.
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