'Oh God, no! Not another thing:' What Anthropic's Mythos-class Fable 5 means for CEOs trying to govern AI

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Good morning. I was speaking with a CEO in financial services this week when I noticed and mentioned that Anthropic had just released its first Mythos-class model to the public. His reaction: “Oh God, no! Not another thing.” Neither of us knew the details yet, beyond the now disputed claim that Claude Fable 5 is a better way to let users query a model deemed too dangerous for general release. To him, that didn’t matter. “I’m not worried about someone making a weapon,” he told me. “I’m worried about all the other crap we now have to think about.”