The offering could value the five-year-old A.I. start-up at $2 trillion, its bankers have told potential investors, which would exceed Elon Muskβs SpaceX.
From right, Dario Amodei, Anthropicβs chief executive, and Daniela Amodei, an Anthropic co-founder and Mr. Amodeiβs sister, at a company conference in May.