ComfyUI – Node-Based Stable Diffusion Interface

ComfyUI is a powerful, modular node-based interface for Stable Diffusion that offers unprecedented control over...

AI/ML Tools Linux Open Source

ComfyUI is a powerful, modular node-based interface for Stable Diffusion that offers unprecedented control over the image generation pipeline. Unlike traditional UIs, ComfyUI lets you visually design complex workflows by connecting nodes, making it ideal for advanced users who want to experiment with custom pipelines, automation, and reproducible workflows.

📑 Table of Contents

Key Features

  • Node-Based Workflow – Visual programming for image generation
  • Workflow Saving – Save and share complex pipelines as JSON
  • Queue System – Batch multiple generations efficiently
  • Low VRAM Mode – Optimized for GPUs with limited memory
  • Custom Nodes – Extensive ecosystem of community extensions
  • API Access – Programmatic control via REST API
  • Live Preview – See images as they’re being generated

System Requirements

  • GPU – NVIDIA GPU with 4GB+ VRAM (6GB+ recommended)
  • RAM – 8GB minimum, 16GB recommended
  • Storage – 15GB+ for models
  • Python – 3.10 or 3.11

Installation on Linux

# Clone the repository
git clone https://github.com/comfyanonymous/ComfyUI.git
cd ComfyUI

# Create virtual environment
python -m venv venv
source venv/bin/activate

# Install PyTorch with CUDA
pip install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cu121

# Install requirements
pip install -r requirements.txt

# Run ComfyUI
python main.py

# Access at http://127.0.0.1:8188

Why Choose ComfyUI

  • Transparency – See exactly how your image is being generated
  • Reproducibility – Workflows can be saved and shared exactly
  • Efficiency – Only recalculates changed nodes
  • Flexibility – Build any pipeline you can imagine
  • Learning – Understand Stable Diffusion internals
  • ComfyUI Manager – Easy extension installation
  • ControlNet Auxiliary – Preprocessors for ControlNet
  • Impact Pack – Advanced detection and processing
  • Efficiency Nodes – Streamlined workflows
  • AnimateDiff – Video generation capabilities
  • IPAdapter – Image prompt adapters

ComfyUI Manager Installation

# Install ComfyUI Manager for easy extension management
cd custom_nodes
git clone https://github.com/ltdrdata/ComfyUI-Manager.git
cd ..
python main.py

Use Cases

  • Advanced Workflows – Multi-stage generation pipelines
  • Automation – Batch processing with custom logic
  • Research – Experiment with model architectures
  • Production – Reliable, reproducible outputs
  • Video Generation – AnimateDiff and SVD workflows

Download ComfyUI

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