# Stable Diffusion 1.5 requirements

Updated: 2026-06-15

860M UNET image model, released 2022-10.

- Peak VRAM: ~3.7 GB at fp16 (~4 GB all-resident)
- Offload floor: ~2 GB, much slower
- Resolution: 512×512
- Tools: AUTOMATIC1111, ComfyUI, Draw Things, diffusers
- License: CreativeML OpenRAIL-M (commercial use: yes)
- Runs on 29 of 39 tracked devices

Sources: https://huggingface.co/stable-diffusion-v1-5/stable-diffusion-v1-5, https://github.com/AUTOMATIC1111/stable-diffusion-webui/wiki/Optimizations, https://huggingface.co/Comfy-Org/stable-diffusion-v1-5-archive/blob/main/v1-5-pruned-emaonly-fp16.safetensors
More: https://localmodel.run/model/stable-diffusion-1-5