⚡ Stable Diffusion 3 (SD3) Custom Nodes

Multimodal Diffusion Transformer (MMDiT) model architecture by Stability AI with dedicated text-alignment and aesthetic enhancements.

27Compatible Nodes
6.5GBAvg Req VRAM
11With Dependencies

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Running complex Stable Diffusion 3 (SD3) nodes and generating massive images? Spin up a cloud instance on Vast.ai with affordable, high-performance GPUs (RTX 4090, A6000) starting at pennies per hour.

Deploy on Vast.ai

🛠️ Recommended PyTorch & CUDA Environment

For flawless installation and execution of custom Stable Diffusion 3 (SD3) nodes, configure your ComfyUI embedded python environment as follows:

Target PyTorch:torch==2.2.2+cu121
Target CUDA:CUDA 12.1+
Run in your main ComfyUI root folder:
.\python_embeded\python.exe -m pip install torch==2.2.2+cu121 --extra-index-url https://download.pytorch.org/whl/cu121

Which GPU should you use for Stable Diffusion 3 (SD3)?

See exactly which quantization of Stable Diffusion 3 (SD3) fits each graphics card.

NVIDIA GeForce RTX 3060
12GB VRAM
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NVIDIA GeForce RTX 4060
8GB VRAM
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NVIDIA GeForce RTX 4070
12GB VRAM
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NVIDIA GeForce RTX 4070 Ti
12GB VRAM
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NVIDIA GeForce RTX 4080
16GB VRAM
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NVIDIA GeForce RTX 4090
24GB VRAM
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NVIDIA GeForce RTX 3080
10GB VRAM
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NVIDIA GeForce RTX 3090
24GB VRAM
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NVIDIA GeForce RTX 3070
8GB VRAM
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NVIDIA GeForce RTX 4060 Ti (16GB)
16GB VRAM
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NVIDIA GeForce GTX 1650
4GB VRAM
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NVIDIA GeForce RTX 3050
8GB VRAM
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Apple MacBook Pro (M3 Max)
36GB VRAM
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📂 Compatible Custom Nodes Directory

Showing 27 verified nodes

Bobs_Latent_Optimizer

by bobsblazed
image_generationupscaling
12.0GB VRAM

ComfyUI Any-Device Offload

by FearL0rd
controlmodel_management
12.0GB VRAM
⚠️ Setup Req

ComfyUI nodes to use AttentionMask

by leeguandong
image_generationtext
12.0GB VRAM

ComfyUI-SmartModelLoaders-MXD

by Maxed-Out-99
image_generationmodel_management
12.0GB VRAM
⚠️ Setup Req

ComfyUI-WeeLLM

by Jit-Roy
image_generationtext
12.0GB VRAM

Comfyui_TTP_Toolset

by TTPlanetPig
image_generationupscaling
12.0GB VRAM

Customizable API Call Nodes by BillBum

by AhBumm
image_generationtext
12.0GB VRAM
⚠️ Setup Req

Image Oasis

by nikodemon80
image_generationupscaling
12.0GB VRAM
⚠️ Setup Req

Kraken Tools

by KrakenUnbound
upscalingvideo
12.0GB VRAM
⚠️ Setup Req

SD3.5 Empty Latent Size Picker

by theshubzworld
image_generationmodel_management
12.0GB VRAM

Tenser Tensor

by tenser-tensor
image_generationupscaling
12.0GB VRAM
⚠️ Setup Req

The Last Model Switcher

by maxomarai
image_generationupscaling
12.0GB VRAM

UNet Downloader for ComfyUI

by huihuihuiz
image_generationmodel_management
12.0GB VRAM
⚠️ Setup Req

comfyui-ralu-sampling

by Milkyawaway
image_generationmodel_management
12.0GB VRAM

Stability API nodes for ComfyUI

by Stability-AI
upscalingworkflow
3.0GB VRAM

ComfyUI-Alimama-ControlNet-compatible

by zhiselfly
control
2.0GB VRAM

ComfyUI-InstantX-IPAdapter-SD3

by Slickytail
image_generation
2.0GB VRAM
⚠️ Setup Req

ComfyUI Conditioning Resizer

by MaruPelkar
animationvideo
256MB VRAM

SD3-Scaling

by TylerZoro
image_generationutility
256MB VRAM

TTools for ComfyUI

by toxicwind
textupscaling
256MB VRAM
⚠️ Setup Req

ComfyUI-ModelSamplingSD3Advanced

by SparknightLLC
controlmodel_management
128MB VRAM

ComfyUI-SD3-Powerlab

by G-370
utility
128MB VRAM

ComfyUI-SD3-nodes

by Sida Liu
image_generation
128MB VRAM

ComfyUI-SD3LatentSelectRes

by GavChap
image_generationupscaling
128MB VRAM

ComfyUI_SD3_Flowedit

by raindrop313
utility
128MB VRAM
⚠️ Setup Req

aicu-comfyui-stability-ai-api

by aicuai
videoworkflow
128MB VRAM
⚠️ Setup Req

florence_dw

by yiwangsimple
model_managementupscaling
128MB VRAM