Best Stable Diffusion AI Tools

Automatic1111

Image & Design

★★★★★

The most popular Stable Diffusion web UI — free, open-source, and feature-complete. Text-to-image, img2img, inpainting, and 1,000+ community extensions in a browser-based interface.

CivitAI

Image & Design

★★★★★

Largest community for sharing AI models and images. 50K+ Stable Diffusion models, LoRAs, and embeddings with ratings, example images, and one-click download — the GitHub of AI image generation.

ComfyUI

Image & Design

★★★★★

Node-based Stable Diffusion interface — the most powerful and flexible AI image generation workflow. Drag-and-drop nodes to build custom image generation pipelines, used by professionals and researchers.