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text model · GLM · iOS

Can I run GLM-4.6 on iPhone 17?

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

No. GLM-4.6 needs ~221.3 GB even at Q4_K_M, but iPhone 17 only has ~4.5 GB usable.

Needs ~221.3 GB Device usable ~4.5 GB

Needs ~221.3 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 216.8 GB: GLM-4.6 needs roughly 221.3 GB at Q4_K_M and iPhone 17 leaves only about 4.5 GB usable for a model. No single tracked device has enough memory; GLM-4.6 needs a multi-GPU or high-memory rig.

Q4_K_M needed
~221.3 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
~154.8 GB
Q3_K_M
~179.8 GB
Q4_K_M
~221.3 GB
Q5_K_M
~259.7 GB
Q6_K
~298 GB
Q8_0
~384.3 GB
FP16
~719.3 GB
The line marks iPhone 17'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 GLM
Parameters
357B (MoE, 32B active)
Q4_K_M size
216 GB
Q8_0 size
379 GB
Context
200k
Full GLM-4.6 requirements →
Device iOS
Memory
8 GB unified
Usable for weights
~4.5 GB
Best runtime
llama.cpp + Metal (via PocketPal or Off Grid app)
Best models for iPhone 17 →

What you can run instead

FAQ

Can iPhone 17 run GLM-4.6?

No. GLM-4.6 needs ~221.3 GB even at Q4_K_M, but iPhone 17 only has ~4.5 GB usable.

How much memory does GLM-4.6 need?

iPhone 17 does not have enough memory. At Q4_K_M the weights are ~216 GB; with KV cache and runtime overhead, budget ~221.3 GB at a 4k context. It is a Mixture-of-Experts model (357B total / 32B active), so all experts must stay in memory; memory tracks total params, not active params.

What is the best tool to run GLM-4.6 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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GLM-4.6 on iPhone 17 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.