Anthropic Restricts Its Cyber-Capable Model to Defenders Only

Anthropic is opening a cyber-capable model — referred to as Claude Mythos 5 — exclusively to security defenders, paired with a $35 million fund and credits for open-source security work.

Anthropic is testing a middle path between releasing a powerful capability and locking it away entirely. According to a roundup from @TraffAlex, the company is opening a cyber-capable model — referenced as Claude Mythos 5 — only to defenders, alongside a $35 million Defender Advantage Fund and credits earmarked for open-source security work.

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