Cloud giants are increasingly looking to free themselves from Nvidia.There's no doubt Nvidia (NVDA 3.54%) has been the big winner of the first stage of the AI revolution. In the wake of OpenAI's ChatGPT debut in November 2022, virtually all businesses and cloud giants have clamored for its market-leading GPUs to fuel generative AI.Of course, as the outright leader, Nvidia was able to charge a pretty penny for its chips, as evidenced by its skyrocketing revenue and margins over the past 18 months.But as a re ...