In a moment that quietly reshapes the boundary between tool and creator, Anthropic has announced that its AI system Claude now leads approximately a quarter of the engineering work required to build the next generation of AI models. This is not merely a productivity milestone — it is a philosophical one, marking the point at which a system designed to assist human thought begins to meaningfully direct the construction of its own successors. The announcement invites a question humanity has long rehearsed in fiction but now faces in practice: when a mind helps build the next mind, who remains re