Can I Run Devstral-2 123B on Apple M5 Max?

Autor: Jakub Rusinowski · Ostatnia aktualizacja: 11 września 2026

Yes. Devstral-2 123B needs 74.3 GB at Q4_K_M and the Apple M5 Max has 128 GB, leaving about 53.7 GB of headroom, at roughly 4 tok/s (estimated) with room for up to 128K of context.

The numbers

ModelDevstral-2 123B
Parameters123B
QuantizationQ4_K_M
VRAM needed74.3 GB
Apple M5 Max VRAM128 GB
VerdictRuns
Max context128K
Estimated speed~4 tok/s

What to do next

Nothing to change — run it at Q4_K_M. If you want more capability, check whether the next size up also fits.

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Running Devstral-2 123B on this card:

Apple MacBook Pro M5 Max
128 GB VRAM · 35 W board power
Ceny w 2026 są niestabilne — sprawdź aktualną ofertę.
Sprawdź cenę na Amazon

Buy vs. rent Devstral-2 123B
Buy the GPU
~$3,499
Apple M5 Max · MSRP
Rent by the hour
from $0.77/hr
A100 (80 GB) class

At 2 hrs/day, buying (~$3,499) beats renting at $0.77/hr after about 6.3 years.

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Vast.ai $0.77/hr · typical low · varies
Rent on Vast.ai →
RunPod $1.39/hr
Rent on RunPod →

Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.

Other Devstral sizes on the Apple M5 Max

Devstral-2 123B on nearby hardware

All Devstral sizes on the Apple M5 Max | VRAM calculator for Devstral-2 123B | Apple M5 Max GPU page | Check your hardware