Yikes, this may be tough.

I know you can try Bloom (like this blog post tried) and let it try and download overnight, but you may run into problems. (I've heard the download takes forever)

https://enjoymachinelearning.com/blog/gpt-3-vs-bloom/

Though I will say, it's probably worth whatever cost you're trying to dodge just to hit an API, even if your hardware is great.