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text model · GLM · macOS

Can I run GLM-5.2 on Apple M4 Pro (24GB)?

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

No. GLM-5.2 needs ~473.1 GB even at Q4_K_M, but Apple M4 Pro (24GB) only has ~16 GB usable.

Needs ~473.1 GB Device usable ~16 GB

Needs ~473.1 GB even at Q4_K_M, but only ~16 GB is usable.

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

The gap is about 457.1 GB: GLM-5.2 needs roughly 473.1 GB at Q4_K_M and Apple M4 Pro (24GB) leaves only about 16 GB usable for a model. No single tracked device has enough memory; GLM-5.2 needs a multi-GPU or high-memory rig.

Q4_K_M needed
~473.1 GB
Usable on device
~16 GB
Device memory
24 GB
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Which quant fits

Quant ladder vs ~16 GB usable
Q2_K
~318.9 GB
Q3_K_M
~370.9 GB
Q4_K_M
~473.1 GB
Q5_K_M
~537.4 GB
Q6_K
~617.4 GB
Q8_0
~808.7 GB
FP16
~1515.3 GB
The line marks Apple M4 Pro (24GB)'s ~16 GB budget; rungs past it are too large.

How to run it

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

Model GLM
Parameters
744B (MoE, 40B active)
Q4_K_M size
465.83 GB
Q8_0 size
801.36 GB
Context
1000k
Full GLM-5.2 requirements →
Device macOS
Memory
24 GB unified
Usable for weights
~16 GB
Power draw
~140 W
Best runtime
Ollama (MLX backend, preview) / MLX direct
Best models for Apple M4 Pro (24GB) →

What you can run instead

FAQ

Can Apple M4 Pro (24GB) run GLM-5.2?

No. GLM-5.2 needs ~473.1 GB even at Q4_K_M, but Apple M4 Pro (24GB) only has ~16 GB usable.

How much memory does GLM-5.2 need?

Apple M4 Pro (24GB) does not have enough memory. At Q4_K_M the weights are ~465.83 GB; with KV cache and runtime overhead, budget ~473.1 GB at a 4k context. It is a Mixture-of-Experts model (744B total / 40B active), so all experts must stay in memory; memory tracks total params, not active params.

What is the best tool to run GLM-5.2 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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GLM-5.2 on Apple M4 Pro (24GB) 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.