# Can I run Stable Diffusion 3.5 Large on iPhone 16?

Updated: 2026-06-15

**No, not enough memory.** Needs ~7 GB at Q4 GGUF, but only ~4.5 GB is usable on iPhone 16. With aggressive CPU offload it can run on as little as ~5 GB, much slower.

- Model: 8.1B MMDIT image model, peak ~7 GB VRAM at Q4 GGUF
- Device: 8 GB unified, ~4.5 GB usable
- All components resident (no offload): ~19 GB
- Offload floor (slow): ~5 GB
- Tools: ComfyUI, Draw Things, diffusers
- License: Stability Community License (commercial use: conditional)

Sources: https://stability.ai/news-updates/introducing-stable-diffusion-3-5, https://huggingface.co/city96/stable-diffusion-3.5-large-gguf, https://stability.ai/news-updates/stable-diffusion-35-models-optimized-with-tensorrt-deliver-2x-faster-performance-and-40-less-memory-on-nvidia-rtx-gpus, https://huggingface.co/docs/diffusers/en/api/pipelines/stable_diffusion/stable_diffusion_3.

More: https://localmodel.run/can-i-run/stable-diffusion-3-5-large/iphone-16