Quick How to! Use Stable Diffusion 3 in 3 minutes | Tutorial | ComfyUI | Colab | Stability AI API

Abe aTech
23 Apr 202403:07

TLDRThis tutorial demonstrates how to utilize Stable Diffusion 3 in just 3 minutes with ComfyUI and Colab, leveraging the Stability AI API. Start by obtaining an API key from the Stability AI website, then use a Google Colab notebook to set up and run the necessary steps. The guide also covers manual installation via terminal for ComfyUI, including configuring the API key and generating images with various settings. The video emphasizes the need for experimentation and credits to achieve desired results.

Takeaways

  • 🔑 Start by obtaining an API key from the Stability AI website if you don't already have one.
  • 📚 Use a free Google Colab notebook to work with Stable Diffusion 3, as linked in the description.
  • 🔍 In the Colab notebook, add a new secret named 'SD3_API' and paste your API key to allow access.
  • 🛠 Install all dependencies by running the first step in the notebook.
  • 🖼️ Access your Stable Diffusion 3 generator by running step 2 and clicking the provided link.
  • 🎨 Update your prompts, select aspect ratio, seed, model style, and hit submit to generate images using the Stability API.
  • 💰 You start with 25 credits, which can generate three to six images depending on the model used.
  • 🚀 The Turbo model is cheaper, but the full model performs better with text descriptions.
  • 🛠️ For Comfy UI, install custom nodes or clone the GitHub repository manually if it's not available in the manager.
  • 🔄 Restart Comfy UI and refresh the browser to access the Stable Diffusion 3 node.
  • 🌐 Input your prompts, adjust settings like aspect ratio, model, seed, and denoise strength for image generation.
  • 📝 Note that while the full model offers better results, it may require several tweaks and credits to achieve the desired image.

Q & A

  • What is the first step to use Stable Diffusion 3 as described in the tutorial?

    -The first step is to obtain an API key from the Stability AI website by logging in or creating an account if you don't already have one.

  • How do you use a Google Colab notebook for Stable Diffusion 3?

    -You open the provided Colab notebook link in the description, make a copy of it, and open the secrets tab to add a new secret named 'SD3_API' where you paste your API key and allow notebook access.

  • What does running step 1 in the Colab notebook do?

    -Running step 1 installs all the necessary dependencies for the Stable Diffusion 3 generator in the notebook.

  • How do you access your Stable Diffusion 3 generator after running step 2 in the Colab notebook?

    -After running step 2, you scroll to the bottom and click on the provided link, which takes you to your Stable Diffusion 3 generator.

  • What can you do with the Stable Diffusion 3 generator interface?

    -You can update your prompts, select aspect ratio, seed, model style, and submit to generate images using the Stability API.

  • How many credits do you start with when using the Stability API for image generation?

    -You start with 25 credits, which allows you to generate three to six images depending on the model used.

  • What is the difference between the Turbo and the full model in terms of cost and text handling?

    -The Turbo model is cheaper, but the full model handles text better and produces better results with text prompts.

  • How can you install Stable Diffusion 3 in Comfy UI if it's not available in the manager?

    -You manually install it by opening the terminal, changing the directory to your custom nodes folder, cloning the GitHub repository, and pasting your Stability AI API key in the configuration file.

  • What happens after you install Stable Diffusion 3 manually in Comfy UI?

    -You need to restart Comfy UI and refresh your browser to see the Stable Diffusion 3 node, where you can then input your prompts and settings.

  • What settings can you adjust in the Stable Diffusion 3 node in Comfy UI?

    -You can adjust the aspect ratio, model, fix the seed, and set the denoise strength for the image.

  • What is the process for creating a new sign from text to image in the Stable Diffusion 3 node in Comfy UI?

    -You input your text prompts, select the settings for aspect ratio, model, seed, and denoise strength, and then run the process to generate the image.

Outlines

00:00

🛠️ Setting Up Stable Diffusion with API Key

The paragraph provides a step-by-step guide on how to use Stable Diffusion, a generative AI model. It starts by instructing the user to obtain an API key from the Stability AI website, which involves logging in or creating an account if necessary. Once the API key is created, the user is guided to use a free Google Colab notebook, which is linked in the description. The user is then directed to add a new secret in the notebook's secrets tab, named 'SD_API_KEY', and to paste the API key there for access. The process includes running the notebook in steps to install dependencies and access the Stable Diffusion generator. The paragraph also touches on the credit system and the different models available for image generation, with a note on the Turbo model being cheaper but the full model being more effective with text.

Mindmap

Keywords

💡Stable Diffusion

Stable Diffusion is a term referring to a type of artificial intelligence model capable of generating images from textual descriptions. In the context of the video, it is the main subject being taught, showing viewers how to utilize this technology through a tutorial. The script mentions using Stable Diffusion 3, indicating a specific version or iteration of the model.

💡ComfyUI

ComfyUI is a user interface platform that simplifies the process of using complex tools and technologies. In the script, it is mentioned as an alternative method to use Stable Diffusion 3, suggesting that it provides a more user-friendly way to interact with the AI model.

💡API Key

An API key is a unique code used to authenticate requests to an API (Application Programming Interface). The script instructs viewers to obtain an API key from the Stability AI website, which is necessary to access and use the Stable Diffusion model's capabilities within the tutorial.

💡Google Colab

Google Colab is a cloud-based platform for machine learning education and research. It allows users to write and execute Python code in a browser, making it accessible for those without a powerful local setup. The video script describes using a Google Colab notebook to run the Stable Diffusion model.

💡Dependencies

In software development, dependencies are other software packages that a program requires to function properly. The script mentions installing dependencies in the Colab notebook, which are necessary for the Stable Diffusion model to operate within that environment.

💡Aspect Ratio

Aspect ratio refers to the proportional relationship between the width and height of an image or screen. The script explains that users can select an aspect ratio when generating images with Stable Diffusion, which determines the shape of the output image.

💡Model Style

Model style in the context of AI refers to the specific characteristics or 'personality' of the AI model that influence the output. The script mentions selecting a model style when using Stable Diffusion, which affects the aesthetic and stylistic outcome of the generated images.

💡Seed

In AI image generation, a seed is a value that helps determine the randomness in the output. By fixing the seed, users can reproduce the same image multiple times. The script mentions the option to fix the seed when generating images with Stable Diffusion.

💡Denoise Strength

Denoise strength refers to the intensity of the noise reduction process in image generation. It affects the clarity and detail of the final image. The script explains that users can set the denoise strength when using Stable Diffusion to refine the quality of the generated images.

💡Text to Image

Text to image is a process where an AI model generates an image based on textual input. The script demonstrates how to use Stable Diffusion for text to image generation, where the model creates visual representations from textual descriptions provided by the user.

💡Image to Image

Image to image refers to the process where an AI model transforms or modifies an existing image based on additional input or instructions. The script shows an example of image to image generation where an input image is altered according to the user's prompts.

💡GitHub

GitHub is a platform for version control and collaboration that allows developers to work on projects together. The script mentions cloning a GitHub repository to manually install a custom node for Stable Diffusion in ComfyUI, which is a way to extend the platform's functionality.

💡Custom Nodes

Custom nodes in the context of UI platforms like ComfyUI are additional components or modules that can be installed to add new features or capabilities. The script guides users on how to install a custom node for Stable Diffusion 3 to enable its use within ComfyUI.

Highlights

A quick tutorial on using Stable Diffusion 3 in just 3 minutes.

The necessity of obtaining an API key from the Stability AI website.

Instructions on creating an account and copying the API key for use.

Utilizing a free Google Colab notebook for the tutorial.

Link to the Colab notebook provided in the description for easy access.

How to add a new secret in the Colab notebook for the API key.

Running the first step in the notebook to install dependencies.

Accessing the Stable Diffusion 3 generator after running step 2.

Customizing image generation with prompts, aspect ratio, and model style.

Initial credit allocation of 25 for using the Stability API.

Different models available for image generation with varying costs and capabilities.

The creation of the tutorial notebook from a GitHub repository.

Launching Comfy UI and installing custom nodes for Stable Diffusion 3.

Manual installation of Stable Diffusion 3 using terminal commands.

Configuring the Stable Diffusion 3 node with the Stability AI API key.

Restarting Comfy UI and using the Stable Diffusion 3 node for image generation.

Adjusting settings such as aspect ratio, model, seed, and denoise strength in Comfy UI.

Demonstration of text-to-image and image-to-image generation capabilities.

The need for tweaking and additional credits to achieve desired image results.

Invitation for feedback on the new models in the comments section.

A call to action for staying updated with Stability AI's latest developments.

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