Stable Diffusion Model Hash: How to Get & Install Different Versions of Stable Diffusions

Danesh Ramuthi

Last Updated January 26, 2023

Stable Diffusion is a method of stabilizing the solution of a diffusion process, a mathematical model used to describe the spread of a substance or property through a medium. The goal of stable Diffusion is to ensure that the solution of the diffusion equation remains well-behaved and does not exhibit any unwanted or unrealistic behavior, such as blow-up or oscillation.

Stable Diffusion was created by StabilityAI and EleutherAI, and LAION as a machine learning text-to-image model for creating digital images from natural language descriptions. The model’s versatility allows it to be used in various contexts, such as the automatic generation of text-guided image translations.

A subset of the LAION-Aesthetics V2 dataset was used to train SD on 256 Nvidia A100 GPUs!

Unlike other models, including DALL-E, Stable Diffusion’s code can be freely accessed online. It is compatible with most mainstream PC hardware, which features a capable graphics processing unit (GPU).

What is Stable Diffusion Model Hash?

In the context of hash function, a stable diffusion model refers to a class of hash functions that uses the diffusion process to create a hash value from the input data. The idea behind this approach is to diffuse the input data to create the hash value so that the output is not just a simple function of the input but also a function of the diffusion process. This makes the hash value more random and harder to predict.

How to acquire a Stable Diffusion model’s hash outside of Stable Diffusion?

I found a google collab; you can use it to find out the hash of the model. Just enter the URL or upload it from your computer to get the model’s hash.

Here’s the Google Colab: 

How to get the weights for stable diffusion model hash?

Download the.ckpt file and perhaps look at this discussion for a Colab notebook that demonstrates how to utilise it. 

Here’s the stable-diffusion-v-1-3-original version files: 

How to use Stable Diffusion V2.1 and Different Models in the Web UI - SD 1.5 vs 2.1 vs Anything V3

Video By SECources


0:00 Introduction to the video

0:38 Official page of Stability AI who released Stable Diffusion models

1:14 How to download official Stable Diffusion version 2.1 with 768×768 pixels

1:44 How to copy paste the downloaded version 2.1 model into the correct web UI folder

2:05 Where to download necessary .yaml files which are the configuration file of Stable Diffusion models

2:41 Where to and how to save .yaml file in our web UI installation

3:53 Modification of command parameters in webui-user.bat file to properly run version 2.1

4:55 What are command line arguments and where to find their full list

5:28 The importance of messages displayed in the command window of web ui app

6:05 Where to switch between models in the Stable Diffusion web-ui

6:36 Test results of version SD (Stable Diffusion) 1.5 with generic keywords

7:18 The important thing that you need to be careful when testing and using models

8:09 Test results of version SD (Stable Diffusion) 2.1 with generic keywords

9:20 How to load and use Analog Diffusion and its test results with generic keywords

9:57 Where to get yaml file for version 1.x based models and how to use it for version 1.x based models

10:36 Test results of version Stable Diffusion Anything V3

11:28 Where you can find different Stable Diffusion models?

12:17 Ending speech of the video

What is a Diffusion Model?

Generative models are a type of machine learning that can produce new data based on training data. These models include flow-based models, variational autoencoders, and GANs, which can create high-quality images. Diffusion models, in particular, learn to restore data by undoing the effects of noise added to the training data. This allows them to generate coherent images from noise. These models can also be trained to remove noise from images. By using text as input, diffusion models can generate a wide variety of images through text-to-image synthesis. Additionally, diffusion models can be used for image denoising, inpainting, outpainting, and bit diffusion.

Components Of Stable Diffusion

The main components of stable diffusion include:

  1. Diffusion regularization: During training, this component introduces noise into the generated images, which improves the model’s capacity to produce high-quality images by encouraging it to learn more robust features.
  2. Spectral normalization: This component stabilizes the training process by leveling the generator network’s weights, preventing the generator from becoming too powerful and overwhelming the discriminator.
  3. Adaptive weight averaging: By keeping the weights of the generator’s average during training, this component raises the quality of the generated images.
  4. Self-attention mechanism: This element aids the model in concentrating on the input image’s key elements, resulting in more realistic and detailed output images.
  5. Gradient Penalty: By introducing a penalty term to the loss function that encourages the gradients to be close to 1, this component stabilizes the training and prevents the discriminator from collapsing.
  6. Exponential Moving Average: To lessen the effect of noise and promote more consistent training and higher-quality images, this component helps to average the generator’s settings across time.
  7. Orthogonal regularization: This component contributes to training stability by including a term in the loss function that encourages the generator’s parameters to remain orthogonal to each other, preventing mode collapse.

Stable Diffusion Inpainting Tutorial

Stable Diffusion inpainting is a method for restoring images by filling in missing or damaged areas. This technique is often used to remove unwanted elements from an image or to repair historical photographs. It is a relatively new approach that has shown promising results.

To experiment with stable diffusion inpainting, one can go to the Huggingface Stable Diffusion Inpainting website. The process involves uploading an image, identifying the area that needs to be replaced, entering a prompt for what should be added in its place, and then selecting “run” to generate the inpainted image.

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Danesh Ramuthi


Danesh is a scientist and a content writer with more than 2 years of experience. He is also a published author of a science fiction children’s book titled Imaginary Tales

AI has always been in his mind and soul ever since the cult classic movie 2001: A Space Odyssey inspired him to become a writer. Seeing a lot of stigma and misconceptions on AI, he has decided to found Ava Machina as an Hub for people from different backgrounds to gather and learn about AI through expert insights as well as redirecting them to the right source.

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