Install Stable Diffusion 3 Locally: Step-by-Step with StableSwarmUI & ComfyUI

13 Jun 202425:24

TLDRThis tutorial guides viewers through installing Stable Diffusion 3 on two interfaces: StableSwarmUI and ComfyUI. It covers prerequisites for Windows 10 and 11, downloading and running the installer, and choosing models and settings. The video also demonstrates how to access and use models from Hugging Face, customize UI, and generate images with various prompts, offering a comprehensive introduction to AI image generation.


  • 🔧 Welcome to the tutorial on installing Stable Diffusion 3 using StableSwarmUI and ComfyUI.
  • 💻 StableSwarmUI is available on GitHub and supports various operating systems, with specific steps for Windows 10 and 11.
  • 📂 Create a new folder on your D drive for the installation, and run the downloaded .bat file.
  • ⚙️ The installation process includes downloading and installing .NET 8 and Git, followed by configuration steps.
  • 📝 Agree to the MIT license terms for personal use and customize installation settings if desired.
  • 🎨 Choose a theme and customize settings during the installation process.
  • 📥 Download Stable Diffusion 3 models from the Hugging Face website and place them in the models folder.
  • 🔄 Use the StableSwarmUI interface to select and refresh the models, and generate images based on prompts.
  • 🌐 To install ComfyUI, download the zip file, extract it, and run the appropriate .bat file for your GPU.
  • 🛠️ Use the ComfyUI manager to install custom nodes, models, and manage workflows, ensuring smooth operation.

Q & A

  • What is the tutorial about?

    -The tutorial is about installing Stable Diffusion 3 locally on two interfaces, StableSwarmUI and ComfyUI, and using them to generate images based on text prompts.

  • Which operating systems can the StableSwarmUI be installed on?

    -StableSwarmUI can be installed on various operating systems, but the tutorial specifically demonstrates the installation process on Windows.

  • What are the prerequisites for installing StableSwarmUI on Windows 10?

    -For Windows 10, you need to manually install Git and .NET 8 before installing StableSwarmUI.

  • What is the process of downloading and installing StableSwarmUI on Windows?

    -You click on the provided link to download a bat file, create a new folder outside of the program files directory, move the bat file into it, and then double-click to run it, following the prompts to complete the installation.

  • What is the MIT license mentioned in the tutorial?

    -The MIT license is the license under which the StableSwarmUI is released. It allows for personal use but requires a commercial license for commercial use.

  • How can you customize the installation of StableSwarmUI?

    -During the installation process, you can customize settings such as choosing a theme and configuring options for advanced users.

  • What is the recommended model to download from the Hugging Face website for Stable Diffusion 3?

    -The tutorial recommends downloading the 'sd3 medium' model for its balance between size and quality.

  • How do you update the StableSwarmUI interface with a new model?

    -You download the model and place it in the 'models' folder within the 'stable diffusion' directory. Then, you use the refresh button in the StableSwarmUI interface to update the model list.

  • What is the ComfyUI and how is it different from StableSwarmUI?

    -ComfyUI is another interface for using Stable Diffusion 3, offering a different set of features and workflows compared to StableSwarmUI.

  • How can you create a shortcut for easy access to the StableSwarmUI or ComfyUI interface?

    -You can right-click on the .bat file used to launch the interface, create a shortcut, rename it, change the icon, and then place it on your desktop for one-click access.

  • What are the recommended settings for generating images with the Juggernaut XL model in ComfyUI?

    -The recommended settings include using the DPM Plus+ sampler, Caris scheduler, and adjusting the steps, CFG scale, and other parameters according to the model's specifications.



💻 Installing Stable Diffusion 3 on Swarm UI for Windows

This paragraph details the process of installing Stable Diffusion 3 on Windows using the Swarm UI. The tutorial begins with downloading a batch file from GitHub and setting up the installation folder outside of the program files directory. It guides users through the installation prerequisites for Windows 10 and 11, including the manual installation of git and .NET 8 or automatic setup for Windows 11. The video script includes steps for running the batch file, dealing with security warnings, and completing the installation process. It also covers legal notices about the MIT license for Swarm UI and personal use limitations for the models. Customization options for the UI and model selection are discussed, along with the final steps to launch the Swarm UI interface.


🔍 Downloading and Using Stable Diffusion 3 Models

The second paragraph explains how to download and use Stable Diffusion 3 models. It starts with creating an account on the Hugging Face website and navigating through the process of logging in and agreeing to terms for non-commercial use. The tutorial then instructs on selecting and downloading the appropriate model files, placing them in specific folders within the Stable Diffusion directory. The paragraph continues with instructions on how to refresh and select models within the Swarm UI interface, and provides a walkthrough on generating images using various settings and prompts. It also touches on the use of text encoders like CLIP models and the importance of using recommended settings for each model to achieve optimal results.


🖼️ Exploring Model Settings and Advanced Workflows in Comfy UI

This section delves into the use of different models and their recommended settings within the Comfy UI. It discusses the process of downloading additional models from the Civit AI website, such as the Juggernaut models, and how to apply specific settings for each to enhance image generation quality. The paragraph also covers the installation of Comfy UI, including creating a folder, downloading, and extracting the necessary files. It guides users on launching Comfy UI with an Nvidia GPU and introduces the Comfy UI manager for installing custom nodes and models. The tutorial provides a step-by-step method for setting up and organizing workflows, testing models, and resolving potential node errors in the Comfy UI environment.


🛠️ Managing Comfy UI and Troubleshooting Workflows

The fourth paragraph focuses on managing Comfy UI and troubleshooting workflows. It explains how to use the manager button to install missing custom nodes, update models, and refresh the UI. The tutorial demonstrates how to access and utilize the workflow gallery to import and load different workflows, and how to handle errors when nodes are missing or settings are incorrect. It also advises on the potential issues of having too many custom nodes and the importance of starting with simple workflows before moving to more complex ones. The paragraph concludes with an invitation to join a Discord server for further discussions and sharing of AI-generated images.


🎨 Testing Different Models and Workflows in Comfy UI

This paragraph showcases the testing of various models and workflows in Comfy UI. It describes the process of selecting different models like sd3 medium, sd3 with clips, and Juggernaut sdxl, and applying their recommended settings for image generation. The tutorial includes steps for changing seeds to randomize image outputs and adjusting workflow settings to fit different models. It also discusses the use of the workflow gallery to find and import new workflows, and the importance of saving and organizing custom workflows. The paragraph concludes with testing a prompt with non-dictionary words to demonstrate the model's ability to learn and generate images after repeated attempts.


📢 Conclusion and Additional Resources

The final paragraph concludes the tutorial with a summary of the process and an invitation to engage with the community. It encourages viewers to like the video if they found it useful and provides information about joining a Discord server for further discussions and sharing AI-generated images. The paragraph also mentions an additional YouTube channel focused on AI experiments and provides a link to it. The music in the background signifies the end of the tutorial while leaving the audience with a call to action to explore more AI tools and resources.



💡Stable Diffusion 3

Stable Diffusion 3 is an advanced AI model for generating images from textual descriptions. It is a significant part of the video's theme, as the tutorial focuses on its installation and usage. The script mentions downloading and installing this model through the hugging face website, indicating its importance in the AI-generated image process.


StableSwarmUI is one of the two interfaces introduced in the video for using Stable Diffusion 3. It is highlighted as a beta version available on GitHub, created by Stability AI. The script provides a step-by-step guide on how to install and configure StableSwarmUI on Windows operating systems, showcasing its role in the video's instructional content.


ComfyUI is the second interface discussed in the video, which is also used to work with Stable Diffusion 3. The script describes an alternative installation process for ComfyUI, emphasizing its user-friendly nature and the availability of additional features like the ComfyUI manager for more advanced tasks.


Git is a version control system that is essential for the installation process of StableSwarmUI as mentioned in the script. It is required to be manually installed on Windows 10 systems before proceeding with the Stable Diffusion 3 setup, indicating its foundational role in the software development and management.


.NET is a free, cross-platform, open-source developer platform that is referenced in the script as a prerequisite for installing StableSwarmUI on Windows systems. The video demonstrates the automatic installation of .NET 8 when using Windows 11, highlighting its importance in the setup process.

💡Hugging Face

Hugging Face is a company that provides a platform for AI models, including Stable Diffusion 3. The script describes the process of logging into the Hugging Face website, agreeing to terms, and downloading models, which is a crucial step in the video's tutorial on setting up AI image generation tools.

💡Model Download

The term 'model download' is central to the script as it refers to the process of acquiring the AI models necessary for image generation. The video outlines the steps to download models like 'sd3 medium' from the Hugging Face website and how to subsequently place them in the correct folders for use with the interfaces.

💡Legal Notice

The script mentions a legal notice associated with the StableSwarmUI, which is under the MIT license, but the models like Stable Diffusion 3 are for personal use only. This notice is important as it sets the terms of use and the need for purchasing a license for commercial applications of the technology.

💡Text Encoders

Text encoders, such as CLIP models, are essential components in the AI image generation process described in the video. They are used to interpret the textual prompts and generate images accordingly. The script provides instructions on downloading and using these models in conjunction with Stable Diffusion 3.


The concept of a 'workflow' in the script refers to a series of steps or nodes in ComfyUI that dictate the process of image generation. The video demonstrates how to load, modify, and save workflows, as well as troubleshoot issues with missing nodes, showcasing the customizable nature of the AI image generation process.


The term 'generate' is repeatedly used in the script to describe the action of creating an image using the AI model based on the provided settings and prompts. It is a key action in the video's demonstration of how to use Stable Diffusion 3 through both StableSwarmUI and ComfyUI interfaces.


Tutorial on installing Stable Diffusion 3 locally using two different interfaces: StableSwarmUI and ComfyUI.

StableSwarmUI is in beta and can be installed on various operating systems, with a demonstration on Windows.

For Windows 10, manual installation of git and .NET 8 is required before proceeding with StableSwarmUI.

Windows 11 automates the installation process for git and .NET 8.

A bat file download is initiated from a provided link to begin the installation.

Users are advised to create a new folder outside of the program files for the installation.

The bat file initiates the download and installation of .NET 8, which is approximately 220 megabytes.

A legal notice regarding the MIT license for StableSwarmUI and personal use limitation for models is presented.

Customization options for the Swarm UI installer, including theme selection, are available.

Models for Stable Diffusion 3 must be downloaded separately, with a choice to skip base models.

The installation process includes monitoring progress in the command window and waiting for completion.

Instructions for creating a shortcut to the Swarm UI for easy access are provided.

The hugging face website is introduced for downloading Stable Diffusion 3 models.

A detailed account creation process for accessing models on hugging face is described.

Models are selected based on size and compatibility with the user's system, with a focus on the sd3 medium model.

The process of placing the downloaded model in the correct folder for the Swarm UI is explained.

Users are shown how to refresh the model list and select the newly downloaded model in the Swarm UI.

Settings and options for generating images with Stable Diffusion 3 using the Swarm UI are discussed.

The tutorial covers the use of text encoders and their impact on image generation.

Different models are tested using the Swarm UI with various settings for comparison.

The second part of the tutorial focuses on installing ComfyUI and its process is outlined.

ComfyUI installation involves downloading a zip file and extracting its contents.

Instructions for launching ComfyUI with an Nvidia GPU and creating a desktop shortcut are given.

The ComfyUI manager is introduced for additional functionalities and its installation steps are detailed.

The process of importing and testing different models in ComfyUI is demonstrated.

Workflows and nodes in ComfyUI are explained, with a guide on how to use and troubleshoot them.

The tutorial concludes with tips on saving and organizing workflows in ComfyUI.

An invitation to join a Discord server for AI tool discussions and sharing AI-generated images is extended.