// RUN โ€” FITS

Can the Apple M4 Max 64GB run Codestral Mamba?

Yes โ€” here's how fast and up to what context, with real measured numbers.

Codestral Mamba on the Apple M4 Max 64GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 317k 25.5-30.7 t/s ~0.5-0.6 (slow)
Q8 yes 372k 51-61.5 t/s ~0.9-1.1 (slow)
Q4 yes 397k 91-109.7 t/s ~1.7-2 (slow)

Estimate (memory-bound). Beyond "max context" the KV cache spills to SSD swap and speed drops to the "beyond" figure.

FAQ

Can the Apple M4 Max 64GB run Codestral Mamba?โ–ถ

Yes. At Q4 it generates ~91-109.7 tok/s and fits up to 397k context; beyond that it spills to SSD swap and slows to ~1.7-2 tok/s.

How much context fits?โ–ถ

At Q4, up to about 397k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.