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text model · Llama 4 · iOS

Can I run Llama 4 Maverick on iPhone 16?

Compatibility verdict VRAM threshold engine
No, not enough memory would not load

No. Llama 4 Maverick needs ~231.7 GB even at Q4_K_M, but iPhone 16 only has ~4.5 GB usable.

Needs ~231.7 GB Device usable ~4.5 GB

Needs ~231.7 GB even at Q4_K_M, but only ~4.5 GB is usable.

That figure is at a 4k context and moves about ±15% as context length changes.

The gap is about 227.2 GB: Llama 4 Maverick needs roughly 231.7 GB at Q4_K_M and iPhone 16 leaves only about 4.5 GB usable for a model. No single tracked device has enough memory; Llama 4 Maverick needs a multi-GPU or high-memory rig.

Q4_K_M needed
~231.7 GB
Usable on device
~4.5 GB
Device memory
8 GB
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Which quant fits

Quant ladder vs ~4.5 GB usable
Q2_K
~173.1 GB
Q3_K_M
~201.1 GB
Q4_K_M
~231.7 GB
Q5_K_M
~290.6 GB
Q6_K
~333.6 GB
Q8_0
~402.2 GB
FP16
~806.6 GB
The line marks iPhone 16's ~4.5 GB budget; rungs past it are too large.

How to run it

On iOS use Apple Foundation Models (Built into iOS 26, ~3B on-device model, zero download, fully private.).

Model Llama 4
Parameters
400B (MoE, 17B active)
Q4_K_M size
226.09 GB
Q8_0 size
396.57 GB
Context
1000k
Ollama tag
llama4:128x17b
Full Llama 4 Maverick requirements →
Device iOS
Memory
8 GB unified
Usable for weights
~4.5 GB
Power draw
~11 W
Best runtime
llama.cpp + Metal (via PocketPal or Off Grid app)
Best models for iPhone 16 →

What you can run instead

FAQ

Can iPhone 16 run Llama 4 Maverick?

No. Llama 4 Maverick needs ~231.7 GB even at Q4_K_M, but iPhone 16 only has ~4.5 GB usable.

How much memory does Llama 4 Maverick need?

iPhone 16 does not have enough memory. At Q4_K_M the weights are ~226.09 GB; with KV cache and runtime overhead, budget ~231.7 GB at a 4k context. It is a Mixture-of-Experts model (400B total / 17B active), so all experts must stay in memory; memory tracks total params, not active params.

What is the best tool to run Llama 4 Maverick 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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Llama 4 Maverick on iPhone 16 compatibility badge A live badge for your model card or README, updated as the data is.
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$ [![Llama 4 Maverick on iPhone 16](https://localmodel.run/badge/llama-4-maverick/iphone-16.svg)](https://localmodel.run/can-i-run/llama-4-maverick/iphone-16)

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.