… 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… …
… 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. …
… 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… …
… While Microsoft quickly rolled out Claude Fable 5 to its GitHub Copilot and Foundry customers, I’m told the model isn’t available in the model picker that Microsoft employees use for internal versions of GitHub Copilot. …
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… …
… Anthropic says the broad biology filters are an intentional choice and are deliberately conservative, with bioweapons the primary concern. “With the launch of Claude Fable 5, our first Mythos-class model, we believe models now have a greater ability to accomplish real-world scientific tasks and for… …
… 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… …
… Anthropic currently has no plans to release the model publicly due to concerns that it could be weaponized. “We’re investigating a report claiming unauthorized access to Claude Mythos Preview through one of our third-party vendor environments,” an Anthropic spokesperson said in a statement to Bloom… …
On Wednesday, the AISI, which evaluates AI models for the British government, said both Anthropic’s Claude Mythos Preview and OpenAI’s GPT-5.5 showed progress well above previous trends on cybersecurity testing. …
… In the system card, Anthropic said newer models’ ability to accelerate AI development justified targeting those requests, noting that “using Claude to develop competing models already violates our Terms of Service.” Anthropic has previously accused Chinese rivals like DeepSeek of unfairly distillin…