You mean Azure OpenAI Service with the ChatGPT (preview) enabled [1]? We've been using it for a couple months now; it's lovely.
1. https://learn.microsoft.com/en-us/azure/cognitive-services/o...
1. https://learn.microsoft.com/en-us/azure/cognitive-services/o...
1. https://learn.microsoft.com/en-us/azure/cognitive-services/o...