AMD is way behind. But one kind of competition that's going to more important in a year or two is that the huge companies (Meta, Google, Amazon) are working on their own AI chips, designed to run their workloads at lower cost (time and power) than they'd get from Nvidia. So data centers might wind up full of non-Nvidia chips, and Amazon may make them available to their customers. But they will probably be less flexible.

Here's what Meta says they are doing: https://ai.meta.com/blog/next-generation-meta-training-infer...