(Reuters) -Chipmaker Nvidia is set to invest up to $100 billion in ChatGPT-parent OpenAI, signing a letter of intent for a strategic partnership to deploy at least 10 gigawatts of compute, the companies said on Monday. Nvidia has used its financial clout to keep its hardware central to the buildout of artificial intelligence systems. Keeping OpenAI, which is also exploring its own chip designs, as a key customer could help the company reinforce its dominance as the industry considers rival suppliers. Her ...