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localmodel.run

audio model · whisper · macOS

Can I run Whisper small on Apple M4 (24GB)?

Compatibility verdict memory check
Yes, it runsmoderate speed

Yes. Whisper small runs on Apple M4 (24GB) at fp16 (whisper.cpp) (~0.85 GB of ~16 GB usable).

Needs ~0.85 GB Device usable ~16 GB

Runs at fp16 (whisper.cpp) using ~0.85 GB of ~16 GB usable.

Peak memory
~0.85 GB
Usable on device
~16 GB
Device memory
24 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
24 GB unified
Usable for weights
~16 GB
Best runtime
Ollama (MLX backend, preview) / MLX direct
Best models for Apple M4 (24GB) →

You could also run

Run Whisper small on other hardware

FAQ

Can Apple M4 (24GB) run Whisper small?

Yes. Whisper small runs on Apple M4 (24GB) at fp16 (whisper.cpp) (~0.85 GB of ~16 GB usable).

How much memory does Whisper small need?

Apple M4 (24GB) 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.