AI based article rewrite

Are there any AI based decent solutions out there that you can recommend that can handle whole articles? Also what if articles I am looking to rewrite are on one specific subject?

It's quite new technology, still on improving
You will not get it right now, or only for really big money
Use live employees

I came across a site but totally forgot about them but here is what I found off the forum

https://www.blackhatworld.com/seo/your-seo-experience-with-ai-created-articles.1134630/

https://www.blackhatworld.com/seo/news-new-content-spinner-ai-better-than-human-writers.1095740/

https://www.blackhatworld.com/seo/any-tool-to-create-content-using-ai.1046464/