# Can I run Qwen2.5 72B on iPhone Air?

> **No, not enough memory.** Needs ~50.2 GB even at Q4_K_M, but only ~8 GB is usable.

Last validated: 2026-06-15.

## Memory math
- Qwen2.5 72B: 72B; Q4_K_M weighs 47.42 GB on disk.
- At Q4_K_M with a 4k context it needs ~50.2 GB (weights + KV cache + ~0.8 GB runtime overhead, ±15% with context length).
- iPhone Air: 12 GB unified, ~8 GB usable for model weights.
- Headroom: ~-42.2 GB.

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

## Run Qwen2.5 72B on other devices
- [Apple M4 Max (128GB)](https://localmodel.run/can-i-run/qwen2.5-72b/apple-m4-max-128gb)
- [Apple M5 Max (128GB)](https://localmodel.run/can-i-run/qwen2.5-72b/apple-m5-max-128gb)
- [Apple M3 Ultra (256GB)](https://localmodel.run/can-i-run/qwen2.5-72b/apple-m3-ultra-256gb)

## Other models that run on iPhone Air
- [Falcon3 10B (10B)](https://localmodel.run/can-i-run/falcon3-10b/iphone-air)
- [Gemma 2 9B (9B)](https://localmodel.run/can-i-run/gemma-2-9b/iphone-air)
- [GLM-4 9B (9B)](https://localmodel.run/can-i-run/glm-4-9b/iphone-air)
- [Qwen2.5-VL 7B (8.29B)](https://localmodel.run/can-i-run/qwen2.5-vl-7b/iphone-air)
- [Llama 3.1 8B (8B)](https://localmodel.run/can-i-run/llama-3.1-8b/iphone-air)
- [Qwen3 8B (8B)](https://localmodel.run/can-i-run/qwen3-8b/iphone-air)

Estimate, not a guarantee. Sources: https://ollama.com/library/qwen2.5, https://huggingface.co/bartowski/Qwen2.5-72B-Instruct-GGUF, https://qwenlm.github.io/blog/qwen2.5/, https://lmarena.ai/leaderboard.
More: https://localmodel.run/can-i-run/qwen2.5-72b/iphone-air