To finance those projects, OpenAI is entering into new territory. In September, chipmaker Nvidia Corp. announced an agreement to invest up to $100 billion in OpenAI’s data center buildout, a deal that some analysts say raises questions about whether the chipmaker is trying to prop up its customers so that they keep spending on its own products.When Sam Altman, the chief executive of ChatGPT maker OpenAI, announced a$500 billion AI infrastructure plan known as Stargate alongside other executives at the Whit ...