RunDiffusion is a cloud-based platform offering managed open-source AI tools for Stable Diffusion. It features Automatic1111, Fooocus, ComfyUI, and other professional AI services. With pay-as-you-go pricing starting at $0.50/hr and 30 minutes free, users can access a variety of applications for image creation, customization, and professional workflows. RunDiffusion simplifies AI tool usage, making powerful diffusion models accessible to hobbyists, professionals, and businesses alike.