
Open-source AI image generation model you can run locally or via API with unlimited customization.
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Search on YouTubeStable Diffusion is the gold standard of open-source AI image generation, developed by Stability AI and built upon the work of academic researchers. Because the model weights are freely available, users can install and run it locally with no usage limits and complete privacy. This has spawned an enormous ecosystem of community models, LoRA fine-tunes, ControlNet extensions, and custom UIs like Automatic1111 and ComfyUI. The platform supports advanced workflows including img2img, inpainting, outpainting, and multi-model pipelines. Power users appreciate fine-grained control over samplers, steps, CFG scale, and negative prompts. For those who prefer a hosted solution, Stability AI's API offers cloud-based access at competitive rates. With over 10 million users worldwide and thousands of community-contributed models on platforms like Civitai, Stable Diffusion remains the most flexible and extensible AI image tool available.