… Additionally, Anthropic says more than 40 additional organizations that “build or maintain critical software” have access to its Mythos Preview AI model. The goal is for these software organizations to use Mythos to discover and fix security holes before the AI model is released to the world. …
New macOS vulnerabilities were exposed by Anthropic’s Mythos: report Ryan Christoffel | May 14 2026 - 8:57 am PT | May 14 2026 - 8:57 am PT Anthropic’s Mythos AI model has famously been kept fairly secret due to its apparent risk to software systems around the world. …
… But they do note in broad terms that Anthropic’s Mythos Preview model helped them identify the bugs and assisted them throughout the entire collaborative exploit development process: Mythos Preview is powerful: once it has learned how to attack a class of problems, it generalizes to nearly any prob… …
… Both developments follow the introduction of Claude Mythos Preview and Project Glasswing. Anthropic isn’t releasing its most powerful AI model that it announced this week. …
… Meta has unveiled its rebooted AI efforts with a new model it calls Muse Spark. Unlike Anthropic’s Claude Mythos Preview announcement yesterday , Muse Spark is actually available publicly today. …
… More recently, Anthropic released an upgraded version of its publicly available Claude Opus model with version 4.7 . Meanwhile, Claude Mythos remains more capable but only available for select partners including Apple. …
… Lastly, Anthropic promises to release a Mythos-class model for all customers “in the coming weeks.” Anthropic unveiled its Mythos cybersecurity model in early April , but official access has been limited to select stakeholders behind key software platforms. …