For one day only (because it's more expensive for me), I've powered my story generator at https://story-machines.net with the latest GPT-3 davinci-003 model. Give it a try, to generate an opening for a short story. It's free, with no registration needed.
@sharplm Thanks a lot! It even texts in German when provided with some words to start with (I provided the title and "Als ich 10 Jahre alt war, fuhr ich ganz alleine mit dem Zug und")
