// RUN โ€” FITS

Can the Apple M4 Max 128GB run HuatuoGPT?

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

HuatuoGPT on the Apple M4 Max 128GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 535k 14.3-17.2 t/s ~0.3-0.3 (slow)
Q8 yes 615k 28.6-34.4 t/s ~0.5-0.6 (slow)
Q4 yes 650k 51-61.5 t/s ~0.9-1.1 (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 HuatuoGPT?โ–ถ

Yes. At Q4 it generates ~51-61.5 tok/s and fits up to 650k context; beyond that it spills to SSD swap and slows to ~0.9-1.1 tok/s.

How much context fits?โ–ถ

At Q4, up to about 650k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.