Sink In

Sink In runs on credits: you buy them or take a subscription plan, spend them on image generations, and can earn extra through a referral program.

That makes usage worth watching, since the balance drains as you generate.

Sink In is an AI image generator and API service built on Stable Diffusion, with a wide range of models to pick from and fast generation on its hosted infrastructure.

Developers can call the API directly instead of using the web interface, which is the main reason to look at Sink In over a plain image site.

Results depend on the Stable Diffusion models themselves, so their strengths and limits carry over.

Realistic images are one of the things the service is meant for.

Pricing is described as cost-effective, though the credit model means your actual spend varies with how much you generate.