I use AI to edit cause my prose is messy, rambling and chaotic. I actually remember the first time I used GPT to help me clean up the first paragraph of my chapter and I was kind of astonished at just how nice everything looked. So I just kept working with it paragraph after paragraph. It actually started teaching me a lot of stuff working along side it. If you compared my RAW original chapter to my RAW rewrite of chapter 1, the flow, the plot and detail integration, it's all a lot more coherent and detailed, even before I edit it.
On RR I actually have both stories up now. The AI edited version and the RAW untouched version. More of an experiment now to see what people might think. I'd like to do the same thing here but the rules are much stricter.