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⇱ Magistral Small 2507 on MacBook Pro M3 Pro 36GB? TIGHT FIT

Can Magistral Small 2507 run on MacBook Pro M3 Pro 36GB?

YES — Tight Fit

S88Excellent
○Estimated from fit model

Magistral Small 2507 needs ~21.9 GB VRAM. MacBook Pro M3 Pro 36GB has 25.9 GB. With Q4_K_M quantization, expect ~8 tok/s.

Runtime: llama.cppCapacity: TightBandwidth: Very lowStack: StandardBottleneck: Memory bandwidth
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Operating mode

Choose the run profile you care about

Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.

Current mode

Balanced

Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.

Capabilities:

Select quantization to explore

Q4_K_M (Medium quality) — 21.9 GB, 8.0 tok/s, Tight fit
21.9 GB required25.9 GB available
85% VRAM used

Fit status

Tight fit

Decode

8.0 tok/s

TTFT

24078 ms

Safe context

43K

Memory

21.9 GB / 25.9 GB

Memory breakdown

Weights14.6 GB
KV Cache2.4 GB
Runtime0.9 GB
Headroom3.9 GB

See how fast it feels

See how fast it feelsMagistral Small 2507 on MacBook Pro M3 Pro 36GB
1st promptCold start — includes initialization
>Solve: If a train travels at 60 mph for 2.5 hours, how far does it go?
Let me work through this step by step. Given information: - Speed = 60 mph (miles per hour) - Time = 2.5 hours Formula: Distance = Speed x Time Calculation: Distance = 60 mph x 2.5 h = 150 miles The train travels 150 miles. Double-check: at 60 mph the train covers 60 miles each hour. In half an hour it covers 30 miles. So in 2.5 hours: 60 + 60 + 30 = 150 miles. Confirmed.
2nd promptWarm — model ready, no init overhead
>What if the train stops for 20 minutes halfway?
The stop doesn't change the total distance covered while moving, but it affects total trip time. Breakdown: - First half: 1.25 hours at 60 mph = 75 miles - Stop: 20 minutes (no distance) - Second half: 1.25 hours at 60 mph = 75 miles Total distance: 150 miles (same) Total time: 2.5 h + 0.33 h = 2.83 hours Average speed: 150 / 2.83 = 53 mph The distance stays the same but average speed drops to 53 mph because of the stop.
Estimated: 8.0 tok/s decode · 24.1s TTFT (warm) · 20 tok/s prefill

What limits this setup

This setup is broadly balanced for this model.

Shared-memory contention still exists

The OS, browser, and inference runtime all compete for the same physical memory pool, so real-world headroom is less forgiving than raw capacity suggests.

Best improvement path

Performance by workload

WorkloadGradeFitDecodeTTFTContext
ChatSRuns well8.0 tok/s13134 ms43K
CodingSTight fit8.0 tok/s24078 ms43K
Agentic CodingSTight fit8.0 tok/s35023 ms43K
ReasoningSTight fit8.0 tok/s28456 ms43K
RAGSTight fit8.0 tok/s43779 ms43K

Quantization options

How Magistral Small 2507 (24B params) fits at each quantization level on MacBook Pro M3 Pro 36GB (25.9 GB usable).

QuantBitsVRAMQualityFit
Q2_K
2
9.4 GB
LowS89
Q3_K_S
3
11.8 GB
LowS91
NVFP4
4
13.4 GB
MediumS92
Q4_K_M
4
14.6 GB
MediumS91
Q5_K_M
5
17.3 GB
HighS91
Q6_KBest for your GPU
6
19.7 GB
HighS91
Q8_0
8
25.7 GB
Very HighF0
F16
16
49.2 GB
MaximumF0

Get started

Copy-paste commands to run Magistral Small 2507 on your machine.

Run

ollama run magistral

Your hardware

More models your MacBook Pro M3 Pro 36GB can run

ModelParamsGradeDecodeCapabilities
👁 Alibaba
Qwen3-Coder 30B A3B Instruct		30.5BS16.6 tok/s
👁 Alibaba
Qwen 3.5 27B		27BS7.2 tok/s
👁 Alibaba
Qwen 3.6 27B		27BS5.5 tok/s
👁 Alibaba
Qwen 3.6 35B A3B		35BA12.1 tok/s
👁 Alibaba
Qwen3-VL 30B A3B Instruct		30BS17.1 tok/s

Frequently asked questions

See all results for MacBook Pro M3 Pro 36GBSee all hardware for Magistral Small 2507