Automatic1111

github.com/automatic1111/stable-diffusion-webui

Open-source web UI for Stable Diffusion image generation.

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Overview

AUTOMATIC1111 is an open-source web interface that allows users to generate images from text prompts using Stable Diffusion models. It provides a browser-based interface with extensive controls for prompt tuning, image generation parameters, and model customization.

Key features

  • Text-to-image and image-to-image generation
  • Inpainting and outpainting
  • Prompt matrix and attention control
  • Textual inversion embeddings
  • Face restoration (GFPGAN, CodeFormer)
  • Neural network upscaling (RealESRGAN, ESRGAN, SwinIR)
  • Batch processing
  • Custom scripts and extensions
  • 4GB VRAM support
  • Generation parameter saving in PNG/EXIF
Pros
  • Free and open-source (AGPL-3.0)
  • Low hardware requirements (4GB VRAM)
  • Extensive feature set for image generation and editing
  • Active community with many extensions
  • One-click installation scripts
  • Supports multiple platforms (Windows, Linux, macOS)
  • Customizable UI and settings
  • No token limits on prompts
Cons
  • Steep learning curve for advanced features
  • Requires manual model downloads
  • Setup can be complex for non-technical users
  • GPU memory constraints for high-resolution generation
  • Dependency on external models and checkpoints
Use this if
You want a free, feature-rich image generation tool with full control over models and settings. You're comfortable with technical setup and have adequate GPU resources.
Skip this if
You need a managed cloud solution without local setup. You require commercial support or SLAs. You have limited GPU memory (under 4GB).

Best for

Image generation and editingAI art creationBatch processing imagesCustom model trainingFace restoration and upscalingOpen-source development

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