Anthropic CEO Dario Amodei on leaving Sam Altman’s OpenAI to start Anthropic: There were a lot of folks inside who didn’t…

Dario Amodei, CEO and co-founder of Anthropic, has revealed the two core convictions that drove him to leave OpenAI and build what is now one of its most formidable rivals—scaling laws and safety. In a candid conversation on investor Nikhil Kamath’s podcast WTF Is, Amodei traced his departure back to 2019, when early experiments with GPT-2 began showing him something most of his colleagues weren’t ready to accept.

“You find incredible increases in performance,” he said, describing what happens when you scale models up with more data and compute. “There were a lot of folks inside and outside who didn’t believe it at all.”