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text model · GLM · macOS

Can I run GLM-4-32B-0414 on Apple M5 Pro (48GB)?

Compatibility verdict VRAM threshold engine
Yes, it runs GPU accelerated ~13 tok/s est.

Yes. GLM-4-32B-0414 runs on Apple M5 Pro (48GB) at Q4_K_M (~20.5 GB of ~32 GB usable).

Needs ~20.5 GB Device usable ~32 GB

Runs at Q4_K_M using ~20.5 GB of ~32 GB usable.

That figure is at a 4k context and moves about ±15% as context length changes. Apple M5 Pro (48GB) leaves ~11.5 GB of headroom.

Q4_K_M needed
~20.5 GB
Usable on device
~32 GB
Device memory
48 GB
Best quant
Q4_K_M
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Which quant fits

Quant ladder vs ~32 GB usable
Q2_K
~15.6 GB
Q3_K_M
~17.8 GB
Q4_K_M
~20.5 GB
Q5_K_M
~25 GB
Q6_K
~28.4 GB
Q8_0
~34.4 GB
FP16
~67.3 GB
The line marks Apple M5 Pro (48GB)'s ~32 GB budget; rungs past it are too large.

Run it

Install commands macOS

Pick your tool. All 2 load the same Q4_K_M weights.

llama.cpp
$ llama-cli -hf bartowski/THUDM_GLM-4-32B-0414-GGUF:Q4_K_M
LM Studio
$ lms get bartowski/THUDM_GLM-4-32B-0414-GGUF

How to run it

On macOS use LM Studio (Polished GUI, ships MLX on Apple Silicon, one-click model downloads.).

Model GLM
Parameters
32B
Q4_K_M size
18.33 GB
Q8_0 size
32.24 GB
Context
32k
Full GLM-4-32B-0414 requirements →
Device macOS
Memory
48 GB unified
Usable for weights
~32 GB
Best runtime
MLX direct / Ollama (MLX backend)
Best models for Apple M5 Pro (48GB) →

You could also run

Run GLM-4-32B-0414 on other hardware

FAQ

Can Apple M5 Pro (48GB) run GLM-4-32B-0414?

Yes. GLM-4-32B-0414 runs on Apple M5 Pro (48GB) at Q4_K_M (~20.5 GB of ~32 GB usable).

How much memory does GLM-4-32B-0414 need?

Apple M5 Pro (48GB) has room to spare. At Q4_K_M the weights are ~18.33 GB; with KV cache and runtime overhead, budget ~20.5 GB at a 4k context.

What is the best tool to run GLM-4-32B-0414 on macOS?

LM Studio for a simple setup; mlx-lm for the most speed. vLLM is NOT a Mac tool, it is a CUDA/Linux serving engine. Unified memory is not a fixed VRAM slice; ~70% is usable for weights.

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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.