ComfyUI Stability AI API Custom Nodes

A collection of custom nodes for using the Stability AI API in ComfyUI.

Features

This custom node package provides the following functionality:

Image Generation Nodes

• StabilityImageUltra: High-quality image generation
• StabilityImageCore: Standard image generation
• StabilityImageSD3: Image generation using Stable Diffusion 3.0

Image Editing Nodes

• StabilityEdit: Multi-functional image editing
  • erase: Remove content in masked area
  • inpaint: Regenerate content in masked area
  • outpaint: Extend image in any direction
  • search-and-replace: Replace specified objects
  • search-and-recolor: Change colors of specified objects
  • remove-background: Automatically remove background

Upscale Nodes

• StabilityUpscaleFast: Fast upscaling
• StabilityUpscaleConservative: Conservative upscaling
• StabilityUpscaleCreative: Creative upscaling (AI detail enhancement)

Control Nodes

• StabilityControlSketch: Generate images from sketches
• StabilityControlStructure: Generate images while maintaining structure
• StabilityControlStyle: Generate images by referencing styles

Others

• StabilityImageToVideo: Generate videos from images

Installation

1. Clone this repository into your ComfyUI's custom_nodes directory:

cd ComfyUI/custom_nodes
git clone https://github.com/ponotech/comfyui-stability-ai-api.git

2. Install dependencies:

cd comfyui-stability-ai-api
pip install -r requirements.txt

3. Create a config.ini file and set your Stability AI API key:

[stability]
api_key = your_api_key_here

Usage

1. Start ComfyUI
2. Add nodes from the "Stability AI" category in the workflow editor
3. Configure node parameters and execute

Important Notes

• Image size constraints:
  • Minimum edge length: 64px
  • Total pixels: 4096-9437184 px
  • Aspect ratio: between 1:2.5 and 2.5:1
• Stability AI account and API key required
• Check Stability AI pricing page for API usage fees

License

This project is released under the MIT License.