Intro
This workflow uses similar concepts to my iterative, with multi-model image generation consistent with the official approach for SDXL 0.9. Basically, it starts generating the image with the Base model and finishes it off with the Refiner model. In addition to that, I have included two different upscaling methods, Ultimate SD Upscaling and Hires. Fix. Both have their advantages and disadvantages, although I find the Ultimate SD Upscaling to be more consistent.
This workflow is fully configurable, although it can be used right out of the box without making any changes to the settings.
What does it do?
Generate SDXL 0.9 model images consistent with the official approach (to the best of our knowledge)
Ultimate SD Upscaling
Hires. Fix
Fully configurable
Toggleable global seed usage or separate seeds for upscaling
"Lagging refinement" aka start the Refiner model X% steps earlier than the Base model ended
Compare the outputs to find what works best for you!
Quickly iterate on settings
Note: I have not found the "best" values for denoising strength, samplers, base model %, etc. Feel free to try changing these values and seeing what effect it has!
How to install it?
Download the workflow zip file
Extract the zip file
Launch (or relaunch) ComfyUI
Load the workflow by pressing the
Loadbutton and selecting the extracted workflow json fileSelect
Queue Promptto generate an image
Note: If you do not already have the ComfyUI Manager extension installed, you will need to do this first. It will resolve any missing dependencies you have for you. See below for more info.
Quality of life add-ons
I highly suggest downloading this ComfyUI Manger extension as well for ComfyUI as it will make downloading other extensions MUCH easier moving forwards. In addition to that, if there are any dependencies that you do not already have fulfilled, it can auto-download those for you.
Download URL: https://civarchive.com/models/71980/comfyui-manager
Description
Follows best known "official" approach to generating images
Ultimate SD Upscale
Hires. Fix
FAQ
Comments (5)
7 More Suggested Resources for SDXL:
[1] First Ever SDXL Training With Kohya LoRA - Stable Diffusion XL Training Will Replace Older Models
[2] How To Use SDXL in Automatic1111 Web UI - SD Web UI vs ComfyUI - Easy Local Install Tutorial / Guide
[3] ComfyUI Master Tutorial - Stable Diffusion XL (SDXL) - Install On PC, Google Colab (Free) & RunPod
[4] Stable Diffusion XL (SDXL) Locally On Your PC - 8GB VRAM - Easy Tutorial With Automatic Installer
[5] How to use Stable Diffusion X-Large (SDXL) with Automatic1111 Web UI on RunPod - Easy Tutorial
[6] How To Use SDXL On RunPod Tutorial. Auto Installer & Refiner & Amazing Native Diffusers Based Gradio
[7] How To Use Stable Diffusion XL (SDXL 0.9) On Google Colab For Free
Previews are not showing up, any thoughts? Images are still rendering and saving. No nodes are showing errors.
Your uploaded document has incorrect fields with the incorrect type in them here are the fields, same fields for all 3 outputs
- Value not in list: filename_number_start: 'png' not in ['false', 'true']
- Value not in list: extension: '100' not in ['png', 'jpeg', 'gif', 'tiff', 'webp']
- Failed to convert an input value to a INT value: quality, false, invalid literal for int() with base 10: 'false'
Took a little bit of fiddling to get it updated to SDXL 1.0 and some custom nodes, as some values are off, but all in all maybe 15 minutes and then it works perfectly, very good workflow.
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Details
Available On (1 platform)
Same model published on other platforms. May have additional downloads or version variants.

