I think where I have found it most useful has been for sort of jogging my memory. For example I was trying to think of a synonym of cool that started with a. Google gave me some, but they weren’t great where chat gpt came up with a better list and only words starting with a. Another example. I was trying to remember a song based on a small fragment of sort of the vibe of lyrics. Weirdly it made up a song name but I was able to coax it into producing more of the lyrics and from that found the song with google.