Just pipe the output to an upscaling ai like https://letsenhance.io/ /s :)

Why is this downvoted? Chained and piped AIs will probably be the next step towards building ever more powerful AI systems. There is even a framework to chain Machine Learning outputs and use other systems to improve: https://singularitynet.io/

Commercial site requiring immediate sign-up.

Absolutely! I was planning on providing this, but wanted to keep the model free of commercial services. There are open-source alternatives out there, though, which I may add support for in the future.