Anthropic will give defenders what its strongest model finds, but not the model itself

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Anthropic has made Claude Mythos 5 available for code scanning in Claude Security and is integrating it into partners’ defensive products, with users receiving outputs rather than direct access to the model. It is also committing $35mn in credits to open-source security work.

Anthropic is widening access to its most capable cybersecurity model, without letting most people near the model. Claude Mythos 5 now runs code scans inside Claude Security and is being built into the products defenders already use.

The distinction is the whole design. A user of a partner tool receives a specific artifact, a suggested patch or an alert, and has no way to prompt the model to write an exploit instead.

What is live today is the scanning. Enterprise customers can point Mythos 5 at a repository and get findings tagged with a CWE category, severity and confidence rating, and a suggested fix, billed as ordinary...

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