Changes may be coming in the artificial intelligence chip space.Nvidia (NVDA 1.83%) has been at the top of the artificial intelligence (AI) investing hierarchy since 2023. However, there could be a significant shift occurring.Up until a few days ago, it appeared that there were only a handful of options for AI hyperscalers to choose from when outfitting their data centers with parallel processors. Nvidia's graphics processing units (GPUs) have been by far the most popular choice, and AMD's GPUs have also ca ...