// RUN โ€” FITS

Can the Apple M1 Ultra 128GB run ESM2-8M?

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

ESM2-8M on the Apple M1 Ultra 128GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 1735k 34000-41000 t/s ~425-512.5 (slow)
Q8 yes 1735k 68000-82000 t/s ~850-1025 (slow)
Q4 yes 1735k 121428.6-146428.6 t/s ~1517.9-1830.4 (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 M1 Ultra 128GB run ESM2-8M?โ–ถ

Yes. At Q4 it generates ~121428.6-146428.6 tok/s and fits up to 1735k context; beyond that it spills to SSD swap and slows to ~1517.9-1830.4 tok/s.

How much context fits?โ–ถ

At Q4, up to about 1735k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.