I'm a coding hobbyist, it's been very helpful in analyzing bugs, giving quick info about syntax and converting formatting for long sections where manually typing would be time intensive.

Point taken by someone else here saying continued use of AI may mean decreased functionally for stack exchange et al. That said, the advantage of AI is that it's answering your question specifically, instead of spending time sifting through semi related answers.

Outside of code it's good at aping the form of various genres. So if I need to answer an RFP question in a sales proposal, I might feed it the prompt to get a starting point. It always needs editing since it doesn't know the details of our business and because it's writing style is bland, but it's helpful to get a first draft.