Files
jaidaken f09734b0ee
Some checks failed
Python Linting / Run Ruff (push) Has been cancelled
Python Linting / Run Pylint (push) Has been cancelled
Full Comfy CI Workflow Runs / test-stable (12.1, , linux, 3.10, [self-hosted Linux], stable) (push) Has been cancelled
Full Comfy CI Workflow Runs / test-stable (12.1, , linux, 3.11, [self-hosted Linux], stable) (push) Has been cancelled
Full Comfy CI Workflow Runs / test-stable (12.1, , linux, 3.12, [self-hosted Linux], stable) (push) Has been cancelled
Full Comfy CI Workflow Runs / test-unix-nightly (12.1, , linux, 3.11, [self-hosted Linux], nightly) (push) Has been cancelled
Execution Tests / test (macos-latest) (push) Has been cancelled
Execution Tests / test (ubuntu-latest) (push) Has been cancelled
Execution Tests / test (windows-latest) (push) Has been cancelled
Test server launches without errors / test (push) Has been cancelled
Unit Tests / test (macos-latest) (push) Has been cancelled
Unit Tests / test (ubuntu-latest) (push) Has been cancelled
Unit Tests / test (windows-2022) (push) Has been cancelled
Add custom nodes, Civitai loras (LFS), and vast.ai setup script
Includes 30 custom nodes committed directly, 7 Civitai-exclusive
loras stored via Git LFS, and a setup script that installs all
dependencies and downloads HuggingFace-hosted models on vast.ai.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-09 00:56:42 +00:00

2.5 KiB

ComfyUI_UltimateSDUpscale

ComfyUI nodes for performing the image-to-image diffusion process on large images in tiles. This approach improves the details that is commonly found on upscaled images while reducing hardware requirements and maintaining an image size that the diffusion model is trained on.

Installation

Using Git

  1. Git must be installed on your system. Verify by running git -v in a terminal.
  2. Enter the following command from the terminal starting in ComfyUI/custom_nodes/
    git clone https://github.com/ssitu/ComfyUI_UltimateSDUpscale
    

ComfyUI Manager

  1. ComfyUI Manager must be installed.
  2. After launching ComfyUI, open ComfyUI Manager and select the "Custom Nodes Manager" option.
  3. Search for "UltimateSDUpscale" and install the node. Select latest for the most up-to-date version.
  4. Follow any prompts to restart ComfyUI.

comfy-cli

  1. comfy-cli must be installed.
  2. Run this command from the terminal: comfy node install comfyui_ultimatesdupscale

Manual Download

  1. Download the zip file from https://registry.comfy.org/nodes/comfyui_ultimatesdupscale to select the version you want, or obtain the current nightly version by clicking the green "Code" button on the GitHub repository page and selecting "Download ZIP".
  2. Create a new folder in the ComfyUI/custom_nodes/ directory to hold the extracted files (e.g. ComfyUI/custom_nodes/ComfyUI_UltimateSDUpscale).
  3. Extract the contents of the zip file into the ComfyUI/custom_nodes/ComfyUI_UltimateSDUpscale folder.

Usage

Nodes can be found in the node menu under image/upscaling.

Documentation for the nodes can be found in the js/docs/ folder, or viewed within the application by right-clicking the relevant node and selecting the info icon.

Details about most of the parameters can be found here.

Example workflows can be found in the example_workflows/ folder. You can also find them in the ComfyUI application under the Templates menu, scroll down the left sidebar to find the Extensions section, then selecting this repository.

References