// RUN โ€” FITS

Can the Apple M2 Ultra 192GB run Otter?

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

Otter on the Apple M2 Ultra 192GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 2574k 209.2-252.3 t/s ~2.6-3.2 (slow)
Q8 yes 2594k 418.5-504.6 t/s ~5.2-6.3 (slow)
Q4 yes 2603k 747.3-901.1 t/s ~9.3-11.3 (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 Otter?โ–ถ

Yes. At Q4 it generates ~747.3-901.1 tok/s and fits up to 2603k context; beyond that it spills to SSD swap and slows to ~9.3-11.3 tok/s.

How much context fits?โ–ถ

At Q4, up to about 2603k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.