whatmodel.sh / image / Stable Diffusion 3.5 Large

Stable Diffusion 3.5 Large is an open-weights image model from Stability AI, released October 2024. Its published size is 8.1B parameters. Licence: stabilityai-community.

41.5±1.3#102 of 144 image modelsfrom 11 benchmark results across 10 sources

Score within the LMArena text-to-image comparison set only.

$ how it compares

The image models ranked either side of Stable Diffusion 3.5 Large, out of 197 with a score, then more from Stability AI.

#modelscorewhereRAMreleased
135FLUX.1 [schnell] Black Forest Labs42±2api $0.0030/image +local~7.7GB2024-08
136OmniGen2 BAAI42±2api $0.15/image +local~17GB2025-06
137Stable Diffusion 3.5 Large Stability AI42±1api $0.065/image +local~5.4GB2024-10
138Show-o2 7B Show Lab, NUS42±3local~23GB2025-06
139Playground v2 (1024px aesthetic) Playground41±4local~4.9GB2023-12
more from Stability AI
141Stable Diffusion 3.5 Medium Stability AI41±3api $0.035/image +local~20GB2024-10
148Stable Diffusion XL 0.9 (base) Stability AI40±6local~4.9GB2023-06
149Stable Diffusion 3 Medium Stability AI40±2api $0.035/image +local~11GB2024-06

see all image models · find the ones that fit your machine

$ what it's good at

text to image▂▅▅▃▄▄█▃▁▂▁▁ #86 of 126 · 88% of its score · 8 tests

Beats Latent Diffusion text2img-large (LDM-KL-8-G, LAION-400M), VQ-Diffusion (ITHQ), FLUX.1 Kontext [dev] here, though they rank higher overall. Trails Playground v2.5, Playground v2 (1024px aesthetic), Show-o2 7B here, though they rank lower overall.

testresultvs the others in its rundifficultycountswhy
LMArena text-to-image938.3 ✎▃▂▃▄▇█▄▂▄▂·▂ beats 1/75avg 1027▇▇▇▇▇▇▇▇▇▇▇ 27%typical
GenExam (relaxed overall, GPT-5 judge)15.9% ✎▄█▃▂▂▂▆▄·▂·▂ beats 6/16hard · avg 26%▇▇▇▇▇▇▇▇ 19%sharp
T2I-ReasonBench (overall)55.2% ✎▅▂█▂▂▂····▂▂ beats 7/13easy · avg 69%▇▇▇▇▇▇ 16%at its level
GenEval59.1% ✎██·▄·▄·█···▄ beats 1/8easy · avg 71%▇▇▇▇ 10%at its level
ServImage task acceptance (human payment decisions, commercial design tasks)8.6% ✎▂▃··▂··▃█··▂ beats 1/11hard · avg 18%▇▇ 4.9%sharp
MMMG image generation (average over 15 tasks)33.2% ✎█··█▄▄·▄▄·▄▄ beats 0/9medium · avg 51%▇▇ 4.6%at its level
WISE (WiScore overall, GPT-4o judge)46.0% ✎▄·▆▂▆█▄▆▂▄·▄ beats 11/22medium · avg 60%▇▇ 3.8%at its level
UltraText Bench (Composite, bilingual dense text rendering)7.5% ✎▃▂▂█▃▁▂▃·▁·▁ beats 0/22hard · avg 28%▇ 3.4%sharp · noisy
image to image / editing▁▁·▃▂▃█▃▃▄▁▁ #57 of 62 * · 4.9% of its score · 1 test

Beats UNO here, though they rank higher overall.

testresultvs the others in its rundifficultycountswhy
ServImage task acceptance (human payment decisions, commercial design tasks)8.6% ✎▂▃··▂··▃█··▂ beats 1/11hard · avg 18%▇▇ 4.9%sharp
other tests3 not in a task · 11% of its score
testresultvs the others in its rundifficultycountswhy
VVRBench accuracy (10,000 verifiable synthetic-scene tasks)2.5% ✎▃·█▅▃·▅▃···▃ beats 1/10very hard · avg 7.6%▇▇ 5.9%sharp · too hard for it
Rapidata Benchmark.ai image benchmark (overall Elo)794.4 ✎▃▁▁▄▂█▂▁▁▂▁▁ beats 0/34avg 875▇▇ 4.2%typical
Knowledge Visualization T2I (Brief Caption, English overall)31.1% ✎▅·▃·▃··▃·█▃▃ beats 4/9hard · avg 28%▇ 0.7%blunt

$ where to run it

Through an API

api · Replicate · $0.065/image · replicate.com ↗ · price sourceUSD per output image on Replicate's stability-ai/stable-diffusion-3.5-large model (billing: per output image; hardware time not added). Product: Replicate model API. API model: stability-ai/stable-diffusion-3.5-large. Settings: one output image. Price basis: published list rate. Currency: USD. Not a Stability AI direct API tariff. Replicate official model page, observed 2026-09-25.

Other ways to run it

version

  1. Run it as published · needs ~19.94 GB, NVIDIA only · from stability.ai (official)
    uv run --with diffusers --with transformers --with accelerate --with torch --with sentencepiece --with protobuf python -c "import torch; from diffusers import StableDiffusion3Pipeline; p=StableDiffusion3Pipeline.from_pretrained('stabilityai/stable-diffusion-3.5-large', torch_dtype=torch.bfloat16).to('cuda'); p('a cat holding a sign', num_inference_steps=28, guidance_scale=3.5).images[0].save('out.png')"

Official weights and documentation: huggingface.co/stabilityai ↗

$ how the score was worked out · LMArena leaderboard dataset 27%, GenExam: A Multidisciplinary… 19%, T2I-ReasonBench: Benchmarking… 16% and 7 more

Each result implies a score on its own, after adjusting for how hard its test is and who ran it. The score is their weighted average, with a small pull toward the middle for thinly tested models. Each test's weight is its counts column above; here it's added up by who ran the tests. How it works

$ improve this page

Use a short GitHub form or edit the data through a pull request. Every number needs a source; here's which ones we can use.

data updated · sources and licences · json