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Tom’s Guide
Tom’s Guide
Technology
Elton Jones

Claude Fable 5 is here — and it's based on a model Anthropic once deemed too risky for the public

Claude .

Back in April, Anthropic surprised the AI world when it revealed Claude Mythos, a model so capable at cybersecurity tasks that the company decided not to release it publicly.

Instead, Anthropic limited access to a small group of organizations through Project Glasswing, a program created in partnership with the U.S. government and focused on cyberdefense and critical infrastructure protection. At the time, the message was clear: some AI capabilities were simply too powerful to put into everyone's hands.

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