Anthropic's Project Glasswing—restricting Claude Mythos to security researchers—sounds necessary to me
Highlights
- ▸Project Glasswing is the first formal 'restricted release because of dual-use security risk' from a frontier lab — it's the template, not the one-off
- ▸Claude Mythos has already found thousands of high-severity vulnerabilities across every major OS — the capability is real, not theoretical
- ▸Expect 'model exists but gated to vetted partners' as a normal state for specific capability domains — the frontier is no longer synonymous with the released model
Original excerpt
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Anthropic _didn’t_ release their latest model, Claude Mythos (system card PDF), today. They have instead made it available to a very restricted set of preview partners under their newly announced Project Glasswing.
The model is a general purpose model, similar to Claude Opus 4.6, but Anthropic claim that its cyber-security research abilities are strong enough that they need to give the software industry as a whole time to prepare.
Mythos Preview has already found thousands of high-severity vulnerabilities, including some in _every major operating system and web…
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