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audio model · whisper · macOS

Can I run Whisper small on Apple M4 Max (128GB)?

Compatibility verdict memory check
Yes, it runsmoderate speed

Yes. Whisper small runs on Apple M4 Max (128GB) at fp16 (whisper.cpp) (~0.85 GB of ~96 GB usable).

Needs ~0.85 GB Device usable ~96 GB

Runs at fp16 (whisper.cpp) using ~0.85 GB of ~96 GB usable.

Peak memory
~0.85 GB
Usable on device
~96 GB
Device memory
128 GB
Quant
fp16 (whisper.cpp)

How to run it

Use whisper.cpp or faster-whisper at fp16 (whisper.cpp). It is light enough to run on CPU; a GPU just makes it faster.

Model whisper
Type
Speech to text
Parameters
244M
Peak memory
~0.85 GB at fp16 (whisper.cpp)
License
MIT
Full Whisper small requirements →
Device macOS
Memory
128 GB unified
Usable for weights
~96 GB
Best runtime
MLX direct / Ollama (MLX backend)
Best models for Apple M4 Max (128GB) →

You could also run

Run Whisper small on other hardware

FAQ

Can Apple M4 Max (128GB) run Whisper small?

Yes. Whisper small runs on Apple M4 Max (128GB) at fp16 (whisper.cpp) (~0.85 GB of ~96 GB usable).

How much memory does Whisper small need?

Apple M4 Max (128GB) has room to spare. At fp16 (whisper.cpp) the realistic peak is ~0.85 GB of memory.

What do I use to run Whisper small locally?

Whisper small runs in whisper.cpp or faster-whisper (among others). It runs on CPU, so no GPU is required.

Sources

VRAM figures are sourced peak-usage anchors at the noted quant, validated 2026-06-15. See methodology.