Nvidia pretty much always dominated the AI GPU market with their closed source driver and Cuda. Nothing has changed about that except for more competition in AI specific hardware which you can buy from several vendors now. But no one has ever used AMD cards with OpenCL for AI or ML. If you were serious about it, you always used Nvidia with Cuda or nowadays some dedicated AI accelerator card (DPUs).
Nvidia pretty much always dominated the AI GPU market with their closed source driver and Cuda. Nothing has changed about that except for more competition in AI specific hardware which you can buy from several vendors now. But no one has ever used AMD cards with OpenCL for AI or ML. If you were serious about it, you always used Nvidia with Cuda or nowadays some dedicated AI accelerator card (DPUs).