Hi Folks,
I need some advise to Generate AI images then Upscale and sell to stock website.
What is Best tool for Generation in your eye.

Flux Pro 1.1, but pricy. Look for Flux Dev. or Schnell 1.1.

Does is there any tool available which can do everything, we will just give the prompt - maybe in input as CSV file and we supply user/pwd and upload to directly stock website.

No, there is no such service because the demand would be too low as such service would be too pricy.
You can use Leonardo AI, Krea or Freepik for Upscaling and pixify for Keywording.

I am an vector/illustration artist but i guess i should jump into AI too.

Try not too spam with AI as it just would harm the masses.

Please advise.