More than two years after the AI movement took off, Nvidia still dominates. Research estimates peg Nvidia's share of AI data center ships for generative AI models at a breathtaking 92%. Of course, the pressure is on Nvidia to hold its share, but it has succeeded thus far in doing so. The company's CUDA programming platform optimizes the performance of its AI GPU chips, which has been a competitive moat that other companies haven't breached.