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Open-weight model · Text to image

stable-diffusion-3.5-large

by Stability AI stabilityai/stable-diffusion-3.5-large

Stable Diffusion 3.5 Large is a Multimodal Diffusion Transformer (MMDiT) text-to-image model that features improved performance in image quality, typography, complex prompt understanding, and resource-efficiency.

Parameters8.1B
Context
Weights71.6 GB
Licenseother
AccessAccess requested at publisher
Monthly Downloads110.7k

Runs On

What it takes to serve stable-diffusion-3.5-large (8.1B parameters): the memory its weights need at each precision, and the cheapest way to rent enough data-center GPUs to hold them.

PrecisionWeightsMemory neededCheapest setupPer hourAlso fits
16-bit 16.3 GB 19.6 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 8.1 GB 9.8 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 4.1 GB 4.9 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00

Memory is the weights at that precision plus 20% for the runtime and a short context; a long context needs more. Prices are the lowest on-demand hourly rates in the SAVRN Index, read Sep 18, 2026.

Model Card

Stable Diffusion 3.5 Large is a Multimodal Diffusion Transformer (MMDiT) text-to-image model that features improved performance in image quality, typography, complex prompt understanding, and resource-efficiency. Please note: This model is released under the Stability Community License. Visit Stability AI to learn or contact us for commercial licensing details. - For individuals and organizations with annual revenue above $1M: please contact us to get an Enterprise License. For local or self-hosted use, we recommend ComfyUI for node-based UI inference, or diffusers or GitHub for programmatic use. - Text Encoders: This model was trained on a wide variety of data, including synthetic data and…

Excerpt from the card by Stability AI, licensed other.

Identity and Version

Repository
stabilityai/stable-diffusion-3.5-large
Publisher
Stability AI
Task
Text to image
Modality
Image
Library
diffusers
Parameters
8.1B parameters
Languages
en
Revision
ceddf0a7fdf2064ea28e2213e3b84e4afa170a0f
First published
2024-10-22
Last updated
2024-10-22

Files and Weights

45 files, 71.6 GB in total. The weights are 16 files totalling 71.6 GB in safetensors.

Weights16 files · 71.6 GB
Configuration14 files · 187.0 KB
Tokenizer9 files · 6.4 MB
Documentation3 files · 22.8 KB
Other2 files · 18.3 MB
Repository1 file · 1.6 KB
Every file
FileTypeSizeSHA-256
sd3.5_large.safetensorsWeights16.5 GB
text_encoder/model.fp16.safetensorsWeights247.3 MB
text_encoder/model.safetensorsWeights247.3 MB
text_encoder_2/model.fp16.safetensorsWeights1.4 GB
text_encoder_2/model.safetensorsWeights1.4 GB
text_encoder_3/model-00001-of-00002.safetensorsWeights5.0 GB
text_encoder_3/model-00002-of-00002.safetensorsWeights4.5 GB
text_encoder_3/model.fp16-00001-of-00002.safetensorsWeights5.0 GB
text_encoder_3/model.fp16-00002-of-00002.safetensorsWeights4.5 GB
text_encoders/clip_g.safetensorsWeights1.4 GB
text_encoders/clip_l.safetensorsWeights246.1 MB
text_encoders/t5xxl_fp16.safetensorsWeights9.8 GB
text_encoders/t5xxl_fp8_e4m3fn.safetensorsWeights4.9 GB
transformer/diffusion_pytorch_model-00001-of-00002.safetensorsWeights10.0 GB
transformer/diffusion_pytorch_model-00002-of-00002.safetensorsWeights6.3 GB
vae/diffusion_pytorch_model.safetensorsWeights167.7 MB
SD3.5L_example_workflow.jsonConfiguration11.6 KB
model_index.jsonConfiguration706 B
scheduler/scheduler_config.jsonConfiguration141 B
text_encoder/config.jsonConfiguration574 B
text_encoder_2/config.jsonConfiguration570 B
text_encoder_3/config.jsonConfiguration740 B
text_encoder_3/model.safetensors.index.fp16.jsonConfiguration21.0 KB
text_encoder_3/model.safetensors.index.jsonConfiguration19.9 KB
tokenizer/special_tokens_map.jsonConfiguration588 B
tokenizer_2/special_tokens_map.jsonConfiguration576 B
tokenizer_3/special_tokens_map.jsonConfiguration2.5 KB
transformer/config.jsonConfiguration397 B
transformer/diffusion_pytorch_model.safetensors.index.jsonConfiguration126.9 KB
vae/config.jsonConfiguration809 B
LICENSE.mdDocumentation11.7 KB
README.mdDocumentation10.5 KB
text_encoders/README.mdDocumentation636 B
mmdit.pngOther262.1 KB
sd3.5_large_demo.pngOther18.1 MB
.gitattributesRepository1.6 KB
tokenizer/merges.txtTokenizer524.6 KB
tokenizer/tokenizer_config.jsonTokenizer705 B
tokenizer/vocab.jsonTokenizer1.1 MB
tokenizer_2/merges.txtTokenizer524.6 KB
tokenizer_2/tokenizer_config.jsonTokenizer856 B
tokenizer_2/vocab.jsonTokenizer1.1 MB
tokenizer_3/spiece.modelTokenizer791.7 KB
tokenizer_3/tokenizer.jsonTokenizer2.4 MB
tokenizer_3/tokenizer_config.jsonTokenizer20.6 KB

License and Download

License
other
Access
Access requested at publisher
Download size
71.6 GB
Request access from Stability AI

Stability AI grants access through its official repository on Hugging Face.

Built From

Memory Requirements

PrecisionWeights in memory
As published71.6 GB
16-bit16.3 GB
8-bit8.1 GB
4-bit4.1 GB

Weights only, from the published parameter count; the key-value cache and runtime add to this.

Questions About stable-diffusion-3.5-large

How much GPU memory does stable-diffusion-3.5-large need?

About 19.6 GB at 16-bit and 4.9 GB at 4-bit: the weights (8.1B parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run stable-diffusion-3.5-large on?

At 16-bit, 1x MI300X from $1.85 an hour; at 4-bit, 1x MI300X from $1.85 an hour, at the lowest on-demand prices the SAVRN Index lists.

What license is stable-diffusion-3.5-large released under?

other, as its publisher declares it. Read the license text before commercial use.

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