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text model · Qwen3 · macOS

Can I run Qwen3 0.6B on Apple M5 (16GB)?

Compatibility verdict VRAM threshold engine
Yes, it runs GPU accelerated ~255 tok/s est.

Yes. Qwen3 0.6B runs on Apple M5 (16GB) at Q4_K_M (~1.5 GB of ~10.5 GB usable).

Needs ~1.5 GB Device usable ~10.5 GB

Runs at Q4_K_M using ~1.5 GB of ~10.5 GB usable. You have room for FP16 for higher quality.

That figure is at a 4k context and moves about ±15% as context length changes. Apple M5 (16GB) leaves ~9 GB of headroom, room to step up to FP16 for higher quality.

Q4_K_M needed
~1.5 GB
Usable on device
~10.5 GB
Device memory
16 GB
Best quant
Q4_K_M
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Which quant fits

Quant ladder vs ~10.5 GB usable
Q2_K
~1.3 GB
Q3_K_M
~1.3 GB
Q4_K_M
~1.5 GB
Q5_K_M
~1.4 GB
Q6_K
~1.5 GB
Q8_0
~1.8 GB
FP16
~2.2 GB
The line marks Apple M5 (16GB)'s ~10.5 GB budget; rungs past it are too large.

Run it

Install commands macOS

Pick your tool. All 3 load the same Q4_K_M weights.

Ollama
$ ollama run qwen3:0.6b
llama.cpp
$ llama-cli -hf bartowski/Qwen_Qwen3-0.6B-GGUF:Q4_K_M
LM Studio
$ lms get bartowski/Qwen_Qwen3-0.6B-GGUF
Model Qwen3
Parameters
0.6B
Q4_K_M size
0.48 GB
Q8_0 size
0.8 GB
Context
32k
Ollama tag
qwen3:0.6b
Full Qwen3 0.6B requirements →
Device macOS
Memory
16 GB unified
Usable for weights
~10.5 GB
Best runtime
MLX direct / Ollama (MLX backend)
Best models for Apple M5 (16GB) →

You could also run

Run Qwen3 0.6B on other hardware

FAQ

Can Apple M5 (16GB) run Qwen3 0.6B?

Yes. Qwen3 0.6B runs on Apple M5 (16GB) at Q4_K_M (~1.5 GB of ~10.5 GB usable).

How much memory does Qwen3 0.6B need?

Apple M5 (16GB) has room to spare. At Q4_K_M the weights are ~0.48 GB; with KV cache and runtime overhead, budget ~1.5 GB at a 4k context.

What is the best tool to run Qwen3 0.6B 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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Qwen3 0.6B on Apple M5 (16GB) 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.