Anthropic Offers Mythos Upgrade for Cyber Partners and a 'Safe' Version for the Rest of You

Overview

The public gets Claude Fable 5, a version the company says cannot run cyberattacks because built-in safety classifiers block risky requests. A small group of vetted cyber-defense and biology partners gets Claude Mythos 5, the same underlying model with those safety limits removed in specific areas.

Stats & Key Facts

#Anthropic released its newest frontier AI model in two forms on June 9, 2026.

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Originally published by Wired AI

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