// RUN โ€” FITS

Can the Apple M4 Max 128GB run Belle VL?

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

Belle VL on the Apple M4 Max 128GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 523k 13.3-16 t/s ~0.2-0.3 (slow)
Q8 yes 609k 26.5-32 t/s ~0.5-0.6 (slow)
Q4 yes 646k 47.4-57.1 t/s ~0.9-1 (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 128GB run Belle VL?โ–ถ

Yes. At Q4 it generates ~47.4-57.1 tok/s and fits up to 646k context; beyond that it spills to SSD swap and slows to ~0.9-1 tok/s.

How much context fits?โ–ถ

At Q4, up to about 646k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.