text model · Granite · iOS
Can I run Granite 4.1 8B on iPhone Air?
Yes. Granite 4.1 8B runs on iPhone Air at Q4_K_M (~6.8 GB of ~8 GB usable).
Runs at Q4_K_M using ~6.8 GB of ~8 GB usable.
That figure is at a 4k context and moves about ±15% as context length changes. iPhone Air leaves ~1.2 GB of headroom.
- Q4_K_M needed
- ~6.8 GB
- Usable on device
- ~8 GB
- Device memory
- 12 GB
- Best quant
- Q4_K_M
Which quant fits
How to run it
On iOS use Apple Foundation Models (Built into iOS 26, ~3B on-device model, zero download, fully private.).
- Parameters
- 8.8B
- Q4_K_M size
- 5.3 GB
- Q8_0 size
- 9.3 GB
- Context
- 128k
- Ollama tag
- granite4.1:8b
- Memory
- 12 GB unified
- Usable for weights
- ~8 GB
- Best runtime
- llama.cpp + Metal (via PocketPal or Off Grid app)
You could also run
Run Granite 4.1 8B on other hardware
FAQ
Can iPhone Air run Granite 4.1 8B?
Yes. Granite 4.1 8B runs on iPhone Air at Q4_K_M (~6.8 GB of ~8 GB usable).
How much memory does Granite 4.1 8B need?
iPhone Air has room to spare. At Q4_K_M the weights are ~5.3 GB; with KV cache and runtime overhead, budget ~6.8 GB at a 4k context.
What is the best tool to run Granite 4.1 8B on iOS?
On iPhone and iPad, Apple Foundation Models (Built into iOS 26, ~3B on-device model, zero download, fully private.) is the standard choice. Phones realistically run 1B-4B class models. Anything larger thermally throttles or OOMs.
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A live badge for your model card or README, updated as the data is. [](https://localmodel.run/can-i-run/granite-4.1-8b/iphone-air) Sources
Weights are measured from GGUF files; KV cache and overhead are computed, so totals can vary ~15% with context and runtime. Any tok/s is a bandwidth estimate. See methodology.