Anthropic is restricting public access to its new "Mythos" AI model, claiming it is too powerful and poses cyber security risks. The model is being rolled out to a select group of partners, including Apple and Microsoft, to help identify high-severity vulnerabilities. The company's leadership and investors are heavily tied to the "Effective Altruism" movement, which prioritizes long-term societal risk management over immediate profit, leading to a legal battle with the Pentagon over supply chain designations.












