The difference is that the resulting software is useless, buggy, unpolished, will only be used by the person who prompted it and only for about three days before they get tired of it, and that nothing was learned.
RE a month usage, that is a good idea, I will use it for a month and do a more long-form post.
I've been using it since I started building it, and have not touched my IDE, thats the goal. All commits to the repository have been made via the tool itself.