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text model · Qwen2.5-Coder · macOS

Can I run Qwen2.5 Coder 0.5B on Apple M3 Pro (18GB)?

Compatibility verdict VRAM threshold engine
Yes, it runsGPU accelerated

Yes. Qwen2.5 Coder 0.5B runs on Apple M3 Pro (18GB) at Q4_K_M (~1.4 GB of ~12 GB usable).

Needs ~1.4 GB Device usable ~12 GB

Runs at Q4_K_M using ~1.4 GB of ~12 GB usable. You have room for FP16 for higher quality.

Q4_K_M needed
~1.4 GB
Usable on device
~12 GB
Device memory
18 GB
Best quant
Q4_K_M

Run it

Install commands macOS

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

Ollama
$ ollama run qwen2.5-coder:0.5b
llama.cpp
$ llama-cli -hf bartowski/Qwen2.5-Coder-0.5B-Instruct-GGUF:Q4_K_M
LM Studio
$ lms get bartowski/Qwen2.5-Coder-0.5B-Instruct-GGUF

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.

Model Qwen2.5-Coder
Parameters
0.494B
Q4_K_M size
0.37 GB
Q8_0 size
0.49 GB
Context
32k
Ollama tag
qwen2.5-coder:0.5b
Full Qwen2.5 Coder 0.5B requirements →
Device macOS
Memory
18 GB unified
Usable for weights
~12 GB
Best runtime
Ollama (llama.cpp Metal backend) / MLX
Best models for Apple M3 Pro (18GB) →

You could also run

Run Qwen2.5 Coder 0.5B on other hardware

FAQ

Can Apple M3 Pro (18GB) run Qwen2.5 Coder 0.5B?

Yes. Qwen2.5 Coder 0.5B runs on Apple M3 Pro (18GB) at Q4_K_M (~1.4 GB of ~12 GB usable).

How much memory does Qwen2.5 Coder 0.5B need?

Apple M3 Pro (18GB) has room to spare. At Q4_K_M the weights are ~0.37 GB; with KV cache and runtime overhead, budget ~1.4 GB at a 4k context.

What is the best tool to run Qwen2.5 Coder 0.5B 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.

Sources

Memory figures are estimates. See methodology.