Dario Amodei says Anthropic held Mythos back for four months for safety

Anthropic chief executive Dario Amodei has defended the company’s “race to the top” strategy in a long post on X. He was replying to Nathan Calvin, chief strategy officer at the advocacy group Encode AI. Amodei listed nine decisions he said cost Anthropic commercially but made AI safer. He also said the company could have handled some of Calvin’s points better.

Calvin’s criticism followed Anthropic’s response to the backlash over its leaked AI safety bill. On 19 October, he wrote…