# Can I run DeepSeek V3 on iPhone 15 Pro?

> **No, not enough memory.** Needs ~383.7 GB even at Q4_K_M, but only ~4.5 GB is usable.

Last validated: 2026-06-15.

## Memory math
- DeepSeek V3: 671B (MoE, 37B active); Q4_K_M weighs 376.66 GB on disk.
- At Q4_K_M with a 4k context it needs ~383.7 GB (weights + KV cache + ~0.8 GB runtime overhead, ±15% with context length).
- iPhone 15 Pro: 8 GB unified, ~4.5 GB usable for model weights.
- Headroom: ~-379.2 GB.

## How to run
Recommended quant: n/a. Best tool on iOS: Apple Foundation Models.

## Other models that run on iPhone 15 Pro
- [Gemma 3 4B (4B)](https://localmodel.run/can-i-run/gemma-3-4b/iphone-15-pro)
- [Qwen3 4B (4B)](https://localmodel.run/can-i-run/qwen3-4b/iphone-15-pro)
- [Phi-3.5-mini 3.8B (3.82B)](https://localmodel.run/can-i-run/phi-3.5-mini/iphone-15-pro)
- [Phi-4-mini 3.8B (3.8B)](https://localmodel.run/can-i-run/phi-4-mini-3.8b/iphone-15-pro)
- [Qwen2.5-VL 3B (3.75B)](https://localmodel.run/can-i-run/qwen2.5-vl-3b/iphone-15-pro)
- [Qwen2.5 3B (3.09B)](https://localmodel.run/can-i-run/qwen2.5-3b/iphone-15-pro)

Estimate, not a guarantee. Sources: https://ollama.com/library/deepseek-v3, https://ollama.com/library/deepseek-v3/tags, https://huggingface.co/unsloth/DeepSeek-V3-0324-GGUF, https://huggingface.co/deepseek-ai/DeepSeek-V3-0324.
More: https://localmodel.run/can-i-run/deepseek-v3/iphone-15-pro