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text model · Qwen3.6 · iOS

Can I run Qwen3.6 35B-A3B on iPhone 16?

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

No. Qwen3.6 35B-A3B needs ~24.5 GB even at Q4_K_M, but iPhone 16 only has ~4.5 GB usable.

Needs ~24.5 GB Device usable ~4.5 GB

Needs ~24.5 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 20 GB: Qwen3.6 35B-A3B needs roughly 24.5 GB at Q4_K_M and iPhone 16 leaves only about 4.5 GB usable for a model. The lightest tracked hardware that runs Qwen3.6 35B-A3B is the Nvidia GeForce RTX 5090 (32GB) at 32 GB. See Qwen3.6 35B-A3B on Nvidia GeForce RTX 5090 (32GB).

Q4_K_M needed
~24.5 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
~17.3 GB
Q3_K_M
~19.8 GB
Q4_K_M
~24.5 GB
Q5_K_M
~27.9 GB
Q6_K
~31.7 GB
Q8_0
~39.1 GB
FP16
~71.6 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 Qwen3.6
Parameters
36B (MoE, 3B active)
Q4_K_M size
22.29 GB
Q8_0 size
36.9 GB
Context
256k
Ollama tag
qwen3.6:35b-a3b
Full Qwen3.6 35B-A3B 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

Run Qwen3.6 35B-A3B on other hardware

FAQ

Can iPhone 16 run Qwen3.6 35B-A3B?

No. Qwen3.6 35B-A3B needs ~24.5 GB even at Q4_K_M, but iPhone 16 only has ~4.5 GB usable.

How much memory does Qwen3.6 35B-A3B need?

iPhone 16 does not have enough memory. At Q4_K_M the weights are ~22.29 GB; with KV cache and runtime overhead, budget ~24.5 GB at a 4k context. It is a Mixture-of-Experts model (36B total / 3B active), so all experts must stay in memory; memory tracks total params, not active params.

What is the best tool to run Qwen3.6 35B-A3B 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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Qwen3.6 35B-A3B on iPhone 16 compatibility badge A live badge for your model card or README, updated as the data is.
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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.