// RUN โ€” FITS

Can the Apple M4 Max 128GB run SANA 1.6B?

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

SANA 1.6B on the Apple M4 Max 128GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 1685k 112.6-135.8 t/s ~2.1-2.5 (slow)
Q8 yes 1710k 225.3-271.7 t/s ~4.1-5 (slow)
Q4 yes 1721k 402.3-485.1 t/s ~7.4-8.9 (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 SANA 1.6B?โ–ถ

Yes. At Q4 it generates ~402.3-485.1 tok/s and fits up to 1721k context; beyond that it spills to SSD swap and slows to ~7.4-8.9 tok/s.

How much context fits?โ–ถ

At Q4, up to about 1721k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.