AI Art Tutorial: High quality image generation

ComfyUI is a powerful and modular GUI and backend for stable diffusion models, featuring a graph/node-based interface that allows you to design and execute advanced stable diffusion workflows without any coding

Published on March 14, 2025 by Tung Nguyen

Generative AI AI Art ComfyUI

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AI Art Tutorial: High quality image generation with ComfyUI

In the ever-evolving landscape of artificial intelligence, tools like ComfyUI are empowering artists and enthusiasts to create breathtaking, one-of-a-kind images. By leveraging cutting-edge models and a user-friendly interface, ComfyUI turns the once-complicated task of AI art generation into a streamlined, visually intuitive process. Whether you’re new to AI art or looking for a more efficient workflow, this tutorial will guide you step-by-step to produce high-quality, captivating images with ease. Join us as we explore the essential techniques, settings, and tips to unlock your creativity and make the most of ComfyUI.

Tech Stack & Requirements

To achieve high-quality image generation with ComfyUI, this tutorial leverages the following technologies:

  • ComfyUI Framework – A node-based AI image generation tool for flexibility and control.
  • FLUX.1 Dev – The AI model powering advanced image synthesis.
  • T5XXL & CLIP Text Encoders – Enhancing text-to-image generation with precise prompt understanding.
  • Real-ESRGAN Models – Used for upscaling images to 4K resolution while maintaining detail and sharpness.

Hardware Requirements

To ensure smooth performance, a GPU with at least 24GB VRAM is required. Recommended options:

  • NVIDIA RTX 3090 (Minimum requirement)
  • NVIDIA RTX 4090 (for better performance and faster processing)

Having a powerful GPU is essential for handling large model weights and upscaling operations efficiently. Of course, if you’re feeling extravagant (or just casually swimming in cash), a data center GPU like the B200 Blackwell will supercharge your AI art like a jet engine on a tricycle—because why wait when you can render masterpieces at warp speed? 🚀🔥