Anthropic sets the terms of access, pricing, disclosure, and defensive-use framing for Claude Mythos Preview.
model governancerelease controlsecurity research
Entity log
Critical impactOfficial
Bloomberg: a small group of unauthorized users accessed Claude Mythos Preview
Bloomberg News, citing documentation and a person familiar with the matter, reported that a small group of unauthorized users gained access to Anthropic's restricted Claude Mythos Preview model.
Critical impactOfficial
Anthropic announces Project Glasswing and Claude Mythos Preview
Anthropic announced a gated research preview of Claude Mythos Preview through Project Glasswing, naming launch partners and saying access was extended to over 40 additional organizations.