Yes, while the GPT API latency will be minimal, whether it's noticeable by users would still depend on the application, use case, and even the location of the client(s). In some cases, the small latencies may still be noticeable for example in gaming, chat apps, or maybe some large enterprise deployment that's tied to specific regions. I agree that for hacking it won't make a significant difference and there's no reason to get on Azure just for GPT - too much overhead and Azure isn't the easiest to figure out to begin with.