Nvidia just put real money behind its favorite metaphor. After two years of calling modern data centers “AI factories,” the chipmaker is going all-in with chips — and cash — to help build them. On Monday, Nvidia and OpenAI announced that the chipmaker plans to invest up to $100 billion in OpenAI through a staged partnership that doesn’t just guarantee the startup first dibs on the world’s most coveted GPUs — it effectively makes Nvidia a co-builder of the infrastructure that will power the next wave of ar ...