… Those users will be able to upgrade to Mythos 5, Anthropic said, adding that it plans to “expand access over time through a more systematic trusted-access program.” Anthropic did not respond on the record to The Verge’s request for comment explaining how either model relates to Claude Mythos Previe… …
… In Opus 4.7’s system card, Anthropic wrote that Opus 4.7 doesn’t even advance the company’s “capability frontier,” since Claude Mythos Preview received higher results “on every relevant evaluation.” For security reasons, Anthropic is only currently making Mythos Preview available privately to selec… …
… Its launch comes just over a month after rival Anthropic announced Claude Mythos, a security-focused AI model it claimed was too dangerous to publicly release and only shared privately as a part of its own initiative, dubbed Project Glasswing. …
… Other unreleased Anthropic AI models have also been accessed by the group, according to Bloomberg.
… After spending weeks insisting the AI model is so capable at cybersecurity that it is too dangerous to release publicly, it appears the model fell into the wrong hands anyway. …
… The mitochondria prompt refusal seems like a false positive. “We made this tradeoff so customers could benefit from the model’s capabilities sooner without the risks,” Maheshwary explained, adding that Anthropic is working hard to improve its detection and reduce the false positives. “We intend to …
… Fable is the first widely available model in Anthropic’s Mythos class of AI systems, a group the company has spent months warning are too dangerous for public release. …
… Separately, XBOW released data suggesting “frontier models have taken a major step forward in vulnerability discovery.” Meanwhile, Microsoft said its multi-model agentic setup, MDASH, was used to discover 16 CVEs in this week’s Patch Tuesday updates and is the leader on the CyberGym security evalua… …
Anthropic is releasing Claude Opus 4.8 on Thursday, and the company is touting the model’s “honesty.” According to Anthropic, it trains “all its models to be honest — for instance, to avoid making claims that they can’t support.” But it notes that “a general problem with AI models is that they some… …
… Media: https://www.instagram.com/reel/DZXp12HDXdN/?igsh=MWVhcmZ6MG00YnE0aQ%3D%3D Suleyman adds that “we do not want to have to contend with a super-intelligence that has ideas about its own suffering, or ideas about its own feeling.” Claude’s constitution directly references Anthropic’s uncertainty… …