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text model · Mistral · macOS

Can I run Devstral Small on Apple M5 (32GB)?

Compatibility verdict VRAM threshold engine
Yes, it runs GPU accelerated ~9 tok/s est.

Yes. Devstral Small runs on Apple M5 (32GB) at Q4_K_M (~15.4 GB of ~21 GB usable).

Needs ~15.4 GB Device usable ~21 GB

Runs at Q4_K_M using ~15.4 GB of ~21 GB usable.

That figure is at a 4k context and moves about ±15% as context length changes. Apple M5 (32GB) leaves ~5.6 GB of headroom.

Q4_K_M needed
~15.4 GB
Usable on device
~21 GB
Device memory
32 GB
Best quant
Q4_K_M
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Which quant fits

Quant ladder vs ~21 GB usable
Q2_K
~12.1 GB
Q3_K_M
~13.7 GB
Q4_K_M
~15.4 GB
Q5_K_M
~19.1 GB
Q6_K
~21.7 GB
Q8_0
~25.3 GB
FP16
~49.2 GB
The line marks Apple M5 (32GB)'s ~21 GB budget; rungs past it are too large.

Run it

Install commands macOS

Pick your tool. All 3 load the same Q4_K_M weights.

Ollama
$ ollama run devstral:24b
llama.cpp
$ llama-cli -hf mistralai/Devstral-Small-2507_gguf:Q4_K_M
LM Studio
$ lms get mistralai/Devstral-Small-2507_gguf
Model Mistral
Parameters
24B
Q4_K_M size
13.35 GB
Q8_0 size
23.33 GB
Context
128k
Ollama tag
devstral:24b
Full Devstral Small requirements →
Device macOS
Memory
32 GB unified
Usable for weights
~21 GB
Best runtime
MLX direct / Ollama (MLX backend)
Best models for Apple M5 (32GB) →

You could also run

Run Devstral Small on other hardware

FAQ

Can Apple M5 (32GB) run Devstral Small?

Yes. Devstral Small runs on Apple M5 (32GB) at Q4_K_M (~15.4 GB of ~21 GB usable).

How much memory does Devstral Small need?

Apple M5 (32GB) has room to spare. At Q4_K_M the weights are ~13.35 GB; with KV cache and runtime overhead, budget ~15.4 GB at a 4k context.

What is the best tool to run Devstral Small 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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Devstral Small on Apple M5 (32GB) compatibility badge A live badge for your model card or README, updated as the data is.
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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.