Create an account at https://beta.openai.com/playground . You get $18 of free credits, and generating small snippets with the most powerful language model costs only a cent.
Another great option is https://textsynth.com/playground.html (made by the very impressive developer Fabrice Bellard - of linux in javascript and world pi digit calculation fame). He deserves some money funneled through that site for his efforts over the decades (and the output is about as good as gpt-3 imo).
When you’re in there, try to challenge it a bit beyond writing fiction.
A stock example was “write a tag line for an ice cream shop”. We tried changing it a bit and I’ll give you some of what it’s punchlines.
“Write a tagline for an ice cream shop run by Bruce Wayne.” Result: “the only thing better than justice is ice cream”
“… run by an SCP”: “The SCP Ice Cream Shop: the only place where you can enjoy ice cream and fear for your life!”
„… run by Saddam Hussein”: “the best ice cream in the world, made by the worst man in the world!”
One thing to watch out for though is it is not self aware at all (at least in a practical sense) and can just make things up. For example, we tried giving it my daughters homework reading comprehension questions on the book “w pustyni i w puszczy” and it gave cogent, plausible and totally wrong answers that it made up on the spot. It would seem it hadn’t been given the book, and would have got an F.
And it can’t speak for itself. I can ask it directly “have you read Tractatus”, and it will insist “no, never”, but knows it front and back like a scholar.