// RUN โ€” FITS

Can the Apple M2 Ultra 192GB run Stable Code 3B?

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

Stable Code 3B on the Apple M2 Ultra 192GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 2528k 97.3-117.3 t/s ~1.2-1.5 (slow)
Q8 yes 2571k 194.5-234.6 t/s ~2.4-2.9 (slow)
Q4 yes 2590k 347.4-418.9 t/s ~4.3-5.2 (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 Stable Code 3B?โ–ถ

Yes. At Q4 it generates ~347.4-418.9 tok/s and fits up to 2590k context; beyond that it spills to SSD swap and slows to ~4.3-5.2 tok/s.

How much context fits?โ–ถ

At Q4, up to about 2590k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.