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All estimates are approximations based on mathematical models and public specifications. Actual performance may vary. Do not make purchasing decisions based solely on these estimates.

Data sourced from Hugging Face, Ollama, and official model documentation. Model names and logos are trademarks of their respective owners.

© 2026 Will It Run AI — Fase Consulting Ibiza, S.L. (NIF: B57969656)

Home/Qwen3.5 9B/on Mac Studio M3 Ultra 256GB

Can it run?

Can Mac Studio M3 Ultra 256GB run Qwen3.5 9B?

CUsable

Runs well

Using Q4_K_M in Ollama

Capabilities:

Fit status

Runs well

Decode

101.4 tok/s

TTFT

1908 ms

Safe context

83K

Memory

35.7 GB / 184.3 GB

Memory breakdown

Weights5.5 GB
KV Cache1.4 GB
Runtime1.2 GB
Headroom27.6 GB

Performance by workload

WorkloadGradeFitDecodeTTFTContext
Agentic CodingCRuns well101.4 tok/s2776 ms159K
ChatCRuns well101.4 tok/s1041 ms42K
CodingCRuns well101.4 tok/s1908 ms83K
RAGCRuns well101.4 tok/s3470 ms159K
ReasoningCRuns well101.4 tok/s2255 ms83K

Quantization options

How Qwen3.5 9B (9B params) fits at each quantization level on Mac Studio M3 Ultra 256GB (184.3 GB usable).

QuantBitsVRAMQualityFit
Q2_K
2
3.5 GB
LowD30
Q3_K_S
3
4.4 GB
LowD30
NVFP4
4
5.0 GB
MediumD30
Q4_K_M
4
5.5 GB
MediumD30
Q5_K_M
5
6.5 GB
HighD30
Q6_K
6
7.4 GB
HighD30
Q8_0
8
9.6 GB
Very HighD31
F16Best for your GPU
16
18.5 GB
MaximumD32

Get started

HuggingFace
huggingface-cli download hf-unsloth--qwen3-5-9b-gguf
See all results for Mac Studio M3 Ultra 256GBSee all hardware for Qwen3.5 9B