// RUN โ€” FITS

Can the Apple M2 Ultra 192GB run KoGPT?

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

KoGPT on the Apple M2 Ultra 192GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 1213k 44.1-53.2 t/s ~0.6-0.7 (slow)
Q8 yes 1260k 88.2-106.4 t/s ~1.1-1.3 (slow)
Q4 yes 1281k 157.5-190 t/s ~2-2.4 (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 M2 Ultra 192GB run KoGPT?โ–ถ

Yes. At Q4 it generates ~157.5-190 tok/s and fits up to 1281k context; beyond that it spills to SSD swap and slows to ~2-2.4 tok/s.

How much context fits?โ–ถ

At Q4, up to about 1281k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.