I tried to get it to complete jokes before (and imo it’s worse) but I haven’t tried to get it to do things end-to-end.
I also couldn’t get it to do good fiction though it might be a skill issue on my part (eg the stories in the Mythos Preview System Card, 215-217 were better than anything I or other people I’ve seen managed to prompt out of Fable).
I tried getting Fable to write a parody of Anthropic. Seems much worse than OAI, though I’m biased and tastes might differ: