I like to use it for one-off scripts. For example, I downloaded a bunch of bank statements the other day, and they had a format something like, "Statement-May-1-2023.pdf" and I asked GPT for a powershell script to convert that to "2023-05-01-BankName-Statement.pdf"

It saved a bunch of manual work on a throwaway script. In the past, I might have done something in Python, since I'm more familiar with it than powershell. Or, I'd say, "well, it's only 20 files. I'll just do it manually." The GPT script worked on the first try, and I just threw it away at the end.