Anthropic recently announced that it would not release Mythos, its most powerful AI model, to the public. The model discovered thousands of previously unknown software vulnerabilities — flaws that had sat undetected in major operating systems and web browsers for as long as nearly three decades. Anthropic said the model was too dangerous to deploy broadly because the same capabilities that let it find and fix security flaws could let attackers exploit them. A single AI agent, the company warned,