Anthropic Tuesday publicly released Claude Fable 5, its first “Mythos-class” model that it says surpasses its previous frontier Opus models in overall capabilities. But the model’s launch today comes ...

The broad safeguards built into Anthropic's Claude Fable 5, a Mythos-class AI model, blocks some mundane requests on cybersecurity and biology.

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Anthropic said its powerful new AI model, Mythos, could be dangerous in the wrong hands. WSJ’s Nicole Nguyen explains why and shares some cybersecurity tips for the average tech user. Photo: Sean ...

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It says new safeguards make it possible to release a Mythos-class model it previously said was too risky to make public. It says new safeguards make it possible to release a Mythos-class model it ...

Unless you're coding or stress-testing benchmarks, the "latest and greatest" usually won't change how you use AI.

Anthropic today announced the launch of Claude Fable 5, a Mythos-class model that it says is safe for general use. According to Anthropic, Fable 5's capabilities exceed those of any model it has made ...