Stable Diffusion

Free tier

Open-source image generation model — run locally, fine-tune on your own images, full control.

Free·Technical·Powered by Stability AI·API available·Open source

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Key strengths

fully open-sourcelocal executionLoRA fine-tuninghuge model ecosystem

Completely free

London, UK

Founded 2022

Self-hostable

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Stable Diffusion is a latent diffusion model. SDXL and SD 3.5 are the current generations. Run locally via ComfyUI, Automatic1111 WebUI, or InvokeAI. Fine-tune with LoRA (Low-Rank Adaptation) using 15–30 images. The Stability AI API offers cloud inference. The model weights are freely downloadable from Hugging Face for commercial use (check the license per model version).

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