The AI Bench
Stability AI · Differs by model

Stable Diffusion

Stability AI’s image models. SDXL is old but small and still the most downloaded; 3.5 Medium is newer.

How much memory it needs

Memory to run each model, from its model card or the size of its files. Smaller versions trade some quality for less memory.

ModelVersionNeedsBusiness use
Stable Diffusion 3.5 MediumFP811.6 GBWith limits
BF1616.5 GB
Stable Diffusion XL Base 1.0FP166.9 GBAllowed

Which computers run it

The best model in this group for each machine.

ComputerBest versionFit
Laptop or PC, no graphics card, 32 GBStable Diffusion 3.5 Medium FP8Needs a graphics card
RTX 4060 · 8 GBStable Diffusion XL Base 1.0 FP16Just fits
RTX 3060 · 12 GBStable Diffusion XL Base 1.0 FP16Runs great
RTX 5060 Ti · 16 GBStable Diffusion XL Base 1.0 FP16Runs great
RTX 4090 · 24 GBStable Diffusion XL Base 1.0 FP16Runs great
RTX 5090 · 32 GBStable Diffusion XL Base 1.0 FP16Runs great
Mac with M4 · 16 GBStable Diffusion XL Base 1.0 FP16Runs great
Mac with M4 Pro · 48 GBStable Diffusion XL Base 1.0 FP16Runs great
Mac with M5 Max · 128 GBStable Diffusion XL Base 1.0 FP16Runs great
Ryzen AI Max+ 395 · 128 GBStable Diffusion XL Base 1.0 FP16Runs great
DGX Spark · 128 GBStable Diffusion XL Base 1.0 FP16Runs great
RTX PRO 6000 · 96 GBStable Diffusion XL Base 1.0 FP16Runs great
Mac Studio with M5 Ultra · 256 GBStable Diffusion XL Base 1.0 FP16Runs great
Mac Studio with M3 Ultra · 512 GBStable Diffusion XL Base 1.0 FP16Runs great

What it is good and bad at

Good at

  • SDXL fits 8 GB cards and has huge community support

Not good at

  • Older than the 2026 models
  • 3.5 Medium: free for business only under $1M revenue

Start it

  • Stable Diffusion 3.5 Medium: runs in ComfyUI (also diffusers). Model card
  • Stable Diffusion XL Base 1.0: runs in ComfyUI (also diffusers). Model card