Microsoft is OpenAI’s biggest investor, and the former company has injected billions of dollars into the latter company. Well, we’re starting to see the investment pay off for Microsoft. While OpenAI’s ChatGPT Plus has long been an expensive way to get the best AI features available, it has now been usurped by Microsoft’s Copilot Pro subscription. As skeptical as many Windows 11 users were when Microsoft began going all-in on Copilot, the service has grown significantly since it was first shown in preview mode. We’re now at the point where the following can be said definitively: Copilot Pro is a better AI subscription than ChatGPT. Here are four reasons why that’s the case.