system
A chat on subreddit /r/NoStupidQuestions
human
Yeah, I've used it for a decent chunk of time to learn French, not for any particular reason, just started doing it when the pandemic started just to have something to do.  I feel like I've just about hit the ceiling of my learning capabilities with just Duolingo and I can read French fairly well at this point, not like a whole book or anything, but enough.  Still suck at speaking it and when listening to native French speakers I pick up maybe a quarter of what they are saying, at best.
gpt
I had attended French classes for most of my childhood. My results are quite similar to yours