Quick Tutorial - Running Stable Diffusion on a Mac

A quick and easy guide how to install Stable Diffusion Automatic1111 on a Mac with Apple Silicon.

To watch some great music videos created with StableDiffusion, Unreal Engine and Blender, visit our YouTube music channel:

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Chapters:
00:00 Basic infos
01:53 Installing the required apps and packages
03:20 Downloading the required models for Stable Diffusion
05:48 Optimizing the Stable Diffusion environment by editing the COMMANDLINE_ARGS
06:37 Starting the Stable Diffusion Automatic1111 webui
07:52 See if everything works
08:30 Final remarks

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Installation process:
(just copy and paste the commands into a terminal window, as described in the video)

Step1: Install homebrew (that's going to take a while):

Step 2: Install required packages:

Step 3: Install Stable Diffusion / Automatic1111:

Step 4: Download the Stable Diffusion 1.5 Standard model and save it into the folder:
~/stable-diffusion-webui/models/Stable-diffusion
Download link:

Step 5: (optional): Download additional models from CivitAI:

change line #COMMANLINE_ARGS="" into
export COMMANDLINE_ARGS="--skip-torch-cuda-test --upcast-sampling --opt-split-attention"
Then save and close the file

Step 6.1: (ONLY if your Mac is low of memory, like 8GB RAM)
change line #COMMANLINE_ARGS="" into
export COMMANDLINE_ARGS="--skip-torch-cuda-test --upcast-sampling --opt-split-attention --medvram"
or if that still doesn't work:
export COMMANDLINE_ARGS="--skip-torch-cuda-test --upcast-sampling --opt-split-attention --lowvram"
Then save and close the file

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Starting Automatic1111:
Open the terminal app and type:
cd ~/stable-diffusion-webui

wait until you see the message:
Paste that URL into a browser and you are good to go!
DON'T CLOSE THE TERMINAL WINDOW!

To stop Automatic1111 hit CONTROL + c
To update Stable Diffusion Automatic1111 to a new version, type:
cd ~/stable-diffusion-webui
git pull
and wait until it's finished

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Useful links (espescially when you are into video production):

Controlnet Extension - download and infos:

Downloading models for the Controlnet extension:

Deforum Extension - download and infos:

Local installation guide for Automatic1111 on a Mac with Apple Silicon:

Some great Youtube channels, covering Stable Diffusion:

#stablediffusion #automatic1111 #tutorial

[mariusmule]

I would like to thank you for this video. It gave me the details I needed for stable diffusion as well as adding new models. Thank you again.

[sourenanaghikhani]

It was very helpful! Would you mind show us how we should add the extensions?

[windofmarten]

Hi! Thank you very much for your video. It's really helpful. Maybe you can also help with a Stable Video Diffusion Image-to-Video Model Card?

[maya-akim]

Again, another awesome video, keep it up 👏

[justthecoolestmusicjohne]

Is this an Unlocked and Unleashed version that you are talking about or is this software just a normal Locked version? Thanks and I look forward to your reply. John E

[heyjenheck]

Hi! This video was so helpful. I'm getting "A tensor with all NaNs was produced in Unet." I followed instructions (float32) and tried a few prompts but no luck. M1 with 16 RAM

[mrstormi]

7:46 there is no local url text to copy the address from. can you help please?

[Inlight.filmchange]

Thanks for the video: after months of trying finally I've managed to install Stable Diffusion on my Mac. Only one problem now, when I try to generate an image this text pops up: AttributeError: 'NoneType' object has no attribute 'lowvram'
Time taken: 0.0 sec. Do you know whay is this happening and what can be done?thanks

[fayyazb]

Super! Will try out. Thank You for sharing.
How to clean uninstall all this if you don't want it on the Mac anymore?

[timcollins]

i got homebrew installed on the terminal, however when i copy and paste step 2 i get an error, any idea why?

[Vendegemusic]

Thank you for the video. Did you succeed to install deforum or other installations on your M1? I got the same MacBook Pro M1 Max and I don't know the way to do this properly...

[hymhymhym]

Thanks for the above steps. Are there any update on the steps because certain packages / models has newer versions? Hope you could reply. Thanks. again

[aalaamaa]

Hello, many thanks for this video. However I keep on stumbling on this error message after step 6, when wanting to run Automatic1111: "RuntimeError: Couldn't install gfpgan". Any help would be much appreciated. Thank you

[ZeppelinPistol]

At step 6 i have this error: Stable diffusion model failed to load :(

[cannikchua]

Hi I am using MacBook M1 Pro 2021, I follow your instruction, the step 1 run pretty well but I stuck at step 2. The terminal can't run the step 2 command (command not found: brew). Please help

[MrStonetat]

Hi I got that error do you have any idea how to fix that? 
zsh: command not found: brew

[danielt]

can you tell if the installation will work on my MacBook Pro (Retina, 15-inch, Mid 2015)/2.5GHz Quad-Core Intel Core i7/16GB 1600MHz DDR3?

[宝强王-os]

hello my dear, can u subscribe a tutorial for how to trainning my own custom model in stable diffusion on macbook pro m1, very thankful

[PRIYANKA]

hi, ive installed everything but when i enter the text i get an error " RuntimeError: not implemented for 'Half' "