Anthropic's Mythos Claims Under Fire: Who Audits the Auditors?

Anthropic's claim that Claude Mythos can discover zero-day exploits is drawing specific methodological criticism from prominent AI researchers including Yann LeCun and safety researcher Heidy Khlaaf. The debate surfaces a deeper structural problem: AI companies are simultaneously the entities making capability claims and the entities evaluating how dangerous those capabilities are, with no independent verification infrastructure in place. Meanwhile, Anthropic lost an appeals court ruling on the Pentagon blacklisting, launched Managed Agents to strong community response, Meta shipped its first model from a rebuilt AI stack, Google's Gemma 4 crossed two million downloads, and the first federal conviction under the Take It Down Act established criminal precedent for AI-gener ...