# Stable Diffusion **Stable Diffusion** pioneered the open-weight approach to image generation — freely downloadable model files that run on consumer GPU hardware. It is the foundation most open local tools ([[comfyui|ComfyUI]], [[automatic1111|AUTOMATIC1111]], [[invokeai|InvokeAI]]) are built on, and the model that made high-quality generation accessible outside of cloud services. ^overview