SAN FRANCISCO, Feb 2 : OpenAI is unsatisfied with some of Nvidia’s latest artificial intelligence chips, and it has sought alternatives since last year, eight sources familiar with the matter said, potentially complicating the relationship between the two highest-profile players in the AI boom.  The ChatGPT-maker’s shift in strategy, the details of which are first reported here, is over an increasing emphasis on chips used to perform specific elements of AI inference, the process when an AI