Hmmm why is it free?
Viewing post in Stable Diffusion GRisk GUI 0.1 comments
The people over at StabbilityAI released the model as an OpenRAIL license. They do charge on their own site for renders but that's for GPU time.
https://stability.ai/blog/stable-diffusion-public-release
My RTX 3070 with 8GB for VRAM can only do 512X512 max.
Grisk create a front end for the model and packaged everything up for us.