I tried to build a ML Text to Image App with Stable Diffusion in 15 Minutes

Nicholas Renotte
20 Sept 202218:43

TLDRIn this thrilling episode of 'Code That', the host attempts to create a text-to-image generation app using Stable Diffusion within a 15-minute time frame. The app, built with Python's Tkinter and Stable Diffusion, allows users to input prompts and generate AI-crafted images. Despite facing challenges, including GPU memory issues, the host successfully demonstrates the app's ability to produce stunning images, showcasing the power of open-source deep learning models.


  • ๐Ÿ˜€ The video is a tutorial on building a text-to-image generation app using Stable Diffusion in a very short time frame.
  • ๐Ÿ” The app is created using Python with the libraries Tkinter for the GUI and Stable Diffusion for the image generation.
  • โฐ The challenge is to build the app within a 15-minute time limit, with penalties for looking at pre-existing code or going over time.
  • ๐Ÿ› ๏ธ The app requires importing several dependencies including Tkinter, PIL for image handling, and the Stable Diffusion pipeline from Hugging Face.
  • ๐Ÿ“ Users can input a text prompt into the app, and the Stable Diffusion model generates an image based on that prompt.
  • ๐ŸŽจ The video demonstrates setting up the GUI with an entry field for prompts, a button to trigger image generation, and a frame to display the image.
  • ๐Ÿ’ป The tutorial includes coding the 'generate' function that interacts with the Stable Diffusion pipeline to create images from text prompts.
  • ๐Ÿ”„ The process involves specifying the model, loading it onto a GPU, and using the pipeline to generate images with a given guidance scale.
  • ๐Ÿ–ผ๏ธ The generated images are saved as .PNG files, allowing users to use them elsewhere.
  • ๐Ÿš€ The video concludes with successfully generating various images from different prompts, showcasing the capabilities of the Stable Diffusion model.
  • ๐Ÿ”— The source code for the app is provided in the video description for viewers to try out and learn from.

Q & A

  • What is the main topic of the video?

    -The main topic of the video is building a text-to-image generation app using Stable Diffusion in Python with a 15-minute time limit.

  • What is Stable Diffusion?

    -Stable Diffusion is a deep learning model used for generating images from text descriptions, which is one of the most expensive and interesting models of its time.

  • What programming framework is used to create the app?

    -The programming framework used to create the app is Python, utilizing the Tkinter library for the GUI and the Stable Diffusion model for image generation.

  • What is the time limit for building the app in the video?

    -The time limit for building the app in the video is 15 minutes.

  • What is the penalty for looking at pre-existing code or documentation during the challenge?

    -The penalty for looking at pre-existing code or documentation is a one-minute time penalty.

  • What is the consequence if the presenter fails to meet the time limit?

    -If the presenter fails to meet the time limit, there will be a giveaway of a 50 Amazon gift card to the viewers.

  • What is the purpose of the auth token imported from 'auth_token'?

    -The auth token is used to authenticate with the Hugging Face platform, which is necessary to access the Stable Diffusion model.

  • How does the app handle the image generation process?

    -The app uses the Stable Diffusion pipeline to generate images based on the text prompt entered by the user, with the process being facilitated by the 'generate' function.

  • What is the significance of setting the 'guidance scale' in the Stable Diffusion model?

    -The 'guidance scale' determines how closely the Stable Diffusion model follows the text prompt provided by the user, with higher values making the image generation more strict and lower values making it more flexible.

  • What issue did the presenter encounter during the image generation process?

    -The presenter encountered an issue with memory usage, possibly due to incorrect settings for the GPU's floating-point precision (torch.half vs torch.float16).

  • How does the presenter save the generated image for use?

    -The presenter saves the generated image by calling the 'save' method on the image object, naming it 'generated_image.png'.

  • What additional resources does the presenter mention for finding text prompts?

    -The presenter mentions a website called 'Prompt Hero' as a resource for finding text prompts to test with the Stable Diffusion model.



๐Ÿš€ Introduction to Building a Text-to-Image App

The script begins with an introduction to a challenge: building a text-to-image generation app using the stable diffusion model within a tight 15-minute time frame. The host of 'Code that' sets the rules, mentioning a time penalty for looking at pre-existing code and a reward for viewers if the time limit is not met. The episode's goal is to create an application that allows users to input text prompts and receive AI-generated images.


๐Ÿ› ๏ธ Setting Up the Application Framework

The host proceeds to set up the application framework by creating a new file and importing necessary dependencies, including tkinter for the GUI, imageTK for image rendering, and the stable diffusion pipeline from the 'diffusers' library. The application window is configured with a specified size and dark theme. An entry field for the text prompt and a placeholder frame for the generated image are added to the interface.


๐Ÿ”„ Implementing the Image Generation Function

The script continues with the implementation of the 'generate' function, which is responsible for creating the image based on the user's text prompt. The host specifies the model ID for the stable diffusion model and sets up the pipeline with the appropriate parameters, including the use of a GPU for processing. The function is designed to capture the text prompt, generate the image, and save it as a PNG file, with the generated image displayed within the application.


๐ŸŽจ Testing the Application and Generating Images

In the final stages of the script, the host tests the application by inputting various text prompts to generate images, such as 'space trip landing on Mars' and 'Rick and Morty planning a space heist'. The host encounters a memory issue, which is resolved by adjusting the data type used for the GPU processing. The successful generation of images is demonstrated, showcasing the capabilities of the stable diffusion model. The script concludes with the host encouraging viewers to try the model themselves and providing resources for finding more prompts.



๐Ÿ’กStable Diffusion

Stable Diffusion is a deep learning model that specializes in generating images from textual descriptions. It is considered one of the most advanced and intriguing models in the field of AI. In the video, the host attempts to integrate Stable Diffusion into a text-to-image application, demonstrating its capability to produce images based on user prompts, which is central to the video's theme of exploring cutting-edge AI technologies.

๐Ÿ’กCode that

Code that appears to be the name of the video series where the host challenges himself to build various applications within a very limited time frame. The series likely focuses on coding and rapid application development, as evidenced by the host's endeavor to create a text-to-image app within 15 minutes.

๐Ÿ’กText-to-Image Generation

Text-to-Image Generation refers to the process where a machine learning model converts textual prompts into visual images. This concept is the core of the video, as the host is building an app that uses Stable Diffusion to generate images from text input by the user, showcasing the practical application of AI in creating visual content.


Tkinter is a Python library used for creating graphical user interfaces. In the script, the host imports Tkinter to build the user interface for the text-to-image app, allowing users to input text prompts and receive generated images, which demonstrates the practical use of Tkinter in application development.

๐Ÿ’กHugging Face

Hugging Face is a company that provides a platform for sharing and collaborating on machine learning models. The script mentions an auth token from Hugging Face, which is used to authenticate and access the Stable Diffusion model within the app, highlighting the importance of such platforms in accessing and utilizing AI models.

๐Ÿ’กAuth Token

An Auth Token is a security credential used to access an API or service securely. In the context of the video, the host uses an auth token from Hugging Face to gain access to the Stable Diffusion model, illustrating the use of authentication in integrating third-party services into applications.

๐Ÿ’กPi Torch

PyTorch is an open-source machine learning library based on the Torch library. It is used for applications such as computer vision and natural language processing. In the script, PyTorch is imported to facilitate the use of Stable Diffusion, indicating its role in processing the AI model's requirements.


Diffusers, in the context of the video, refers to a library or module that includes the Stable Diffusion pipeline. The host imports this to create an instance of the Stable Diffusion model, which is essential for the app's functionality to generate images from text prompts.


In the context of AI and image generation, a prompt is a text description that guides the model to create a specific image. The script describes the user entering a prompt into the app, which the Stable Diffusion model then uses to generate an image, showcasing the interactive aspect of the app.

๐Ÿ’กGuidance Scale

Guidance Scale is a parameter in the Stable Diffusion model that dictates how closely the generated image should adhere to the input prompt. The higher the scale, the more strictly the model follows the prompt. The script mentions adjusting this parameter to control the image generation process.


AutoCast is a feature in PyTorch that automatically manages the precision of tensor operations. In the script, AutoCast is used to optimize the performance of the Stable Diffusion model on the GPU, demonstrating the consideration of computational efficiency in AI model deployment.


Building a text-to-image generation app using Stable Diffusion in 15 minutes.

Introduction to Stable Diffusion, a deep learning model for image generation.

Challenge rules: no pre-existing code, documentation, or a 1-minute penalty for each violation.

15-minute time limit for building the app.

Use of Python and the Tkinter library for the app's GUI.

Importing necessary dependencies for image rendering and Stable Diffusion.

Setting up the app's window size and title.

Creating an entry field for the user to input text prompts.

Designing the placeholder for the generated image.

Adding a 'Generate' button to trigger image creation.

Configuring the Stable Diffusion pipeline with a pre-trained model.

Using an auth token from Hugging Face for model access.

Loading the model onto a GPU for efficient processing.

Creating a function to handle the image generation process.

Incorporating error handling for memory limitations and model revisions.

Successfully generating an image with the Stable Diffusion model.

Saving the generated image for further use.

Demonstrating the app's ability to generate various images based on prompts.

Highlighting the open-source nature of Stable Diffusion and its potential applications.

Providing resources like 'Prompt Hero' for finding creative prompts.

Completing the challenge within the time limit and showcasing the final app.