Stablecog

You can generate images on Stablecog without creating an account, which is the detail that sets it apart from most AI image generators.

Stablecog is a free, open-source text-to-image tool that runs Stable Diffusion and Kandinsky models, and it also handles image-to-image generation.

The interface is multilingual, so prompts and menus are not limited to English.

The free plan comes with catches.

Speed is limited, you can only run so many generations in parallel, and every image you make is public.

If you need private generation, you have to pay.

Commercial use of the images is also reserved for paid plans, so anyone making work for clients should look at those tiers first.

Paid plans work on credits, and unused credits do not roll over to the next month.

That favors steady monthly users over people who generate in occasional bursts.

Because the code is open source and customizable, developers can inspect it or adapt it, which is less common among AI art generators.

Stablecog suits casual experimenting and tinkering well.