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text model · Qwen3.6 · macOS

Can I run Qwen-AgentWorld 35B-A3B on Apple M3 Pro (18GB)?

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

No. Qwen-AgentWorld 35B-A3B needs ~24.3 GB even at Q4_K_M, but Apple M3 Pro (18GB) only has ~12 GB usable.

Needs ~24.3 GB Device usable ~12 GB

Needs ~24.3 GB even at Q4_K_M, but only ~12 GB is usable.

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

The gap is about 12.3 GB: Qwen-AgentWorld 35B-A3B needs roughly 24.3 GB at Q4_K_M and Apple M3 Pro (18GB) leaves only about 12 GB usable for a model. The lightest tracked hardware that runs Qwen-AgentWorld 35B-A3B is the Nvidia GeForce RTX 5090 (32GB) at 32 GB. See Qwen-AgentWorld 35B-A3B on Nvidia GeForce RTX 5090 (32GB).

Q4_K_M needed
~24.3 GB
Usable on device
~12 GB
Device memory
18 GB
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Which quant fits

Quant ladder vs ~12 GB usable
Q2_K
~16.7 GB
Q3_K_M
~19.2 GB
Q4_K_M
~24.3 GB
Q5_K_M
~26.9 GB
Q6_K
~30.7 GB
Q8_0
~39.1 GB
FP16
~71.6 GB
The line marks Apple M3 Pro (18GB)'s ~12 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 Qwen3.6
Parameters
34.7B (MoE, 3B active)
Q4_K_M size
22.13 GB
Q8_0 size
36.9 GB
Context
256k
Full Qwen-AgentWorld 35B-A3B requirements →
Device macOS
Memory
18 GB unified
Usable for weights
~12 GB
Power draw
~70 W
Best runtime
Ollama (llama.cpp Metal backend) / MLX
Best models for Apple M3 Pro (18GB) →

What you can run instead

Run Qwen-AgentWorld 35B-A3B on other hardware

FAQ

Can Apple M3 Pro (18GB) run Qwen-AgentWorld 35B-A3B?

No. Qwen-AgentWorld 35B-A3B needs ~24.3 GB even at Q4_K_M, but Apple M3 Pro (18GB) only has ~12 GB usable.

How much memory does Qwen-AgentWorld 35B-A3B need?

Apple M3 Pro (18GB) does not have enough memory. At Q4_K_M the weights are ~22.13 GB; with KV cache and runtime overhead, budget ~24.3 GB at a 4k context. It is a Mixture-of-Experts model (34.7B total / 3B active), so all experts must stay in memory; memory tracks total params, not active params.

What is the best tool to run Qwen-AgentWorld 35B-A3B 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.