// RUN โ€” FITS

Can the Apple M1 Max 64GB run Jiutian?

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

Jiutian on the Apple M1 Max 64GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 173k 9.8-11.8 t/s ~0.2-0.3 (slow)
Q8 yes 258k 19.6-23.6 t/s ~0.5-0.6 (slow)
Q4 yes 295k 34.9-42.1 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 M1 Max 64GB run Jiutian?โ–ถ

Yes. At Q4 it generates ~34.9-42.1 tok/s and fits up to 295k 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 295k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.