Amodei says Anthropic’s safety delay may have cost it an AI lead

Anthropic first released Mythos-class models in February 2026, but CEO Dario Amodei said it delayed broader access until June to build stronger cybersecurity safeguards. Amodei laid out that reasoning Tuesday in a lengthy post on X, written in response to criticism from Nathan Calvin and defending the company’s approach to AI safety. He conceded the decision may have cost Anthropic a competitive edge. Releasing the models sooner, he argues, would have given organizations less time to prepare their infrastructure for increasingly capable AI-powered cyberattacks. “We likely sacrificed a significant chunk of a several-month model lead,” Amodei writes. Anthropic tells The New Stack that the delay follows a commitment in its Responsible Scaling Policy to require a strong argument that catastrophic risk is contained and to delay development and deployment as…

First reported by The New Stack. This page is a short excerpt; the full text is theirs.