Buzzy claim: 'Claude Mythos 5.1' withheld over cyber and bio capability

VraserX · x · 2026-09-03

Account VraserX claims Anthropic's 'Claude Mythos 5.1' is too capable in cyber and biology to release broadly, creating AI that exists and is useful but is off-limits to most people — a dynamic he expects to grow. Note: the claim is unverified and the model name does not match any known official Anthropic release; treat as rumor.

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