Last May, Anthropic, one of the world’s hottest artificial intelligence start-ups, raised $450 million from investors including Google and Salesforce. It was th

Last May, Anthropic, one of the world’s hottest artificial intelligence start-ups, raised $450 million from investors including Google and Salesforce. It was the beginning of an astonishing funding spree. By August, Anthropic had landed $100 million from two Asian telecoms. Then Amazon committed $4 billion to it, followed by $2 billion more from Google. This month, the venture capital firm Menlo Ventures closed a deal to invest $750 million in Anthropic