// RUN โ€” FITS

Can the Apple M3 Max 128GB run ESM2-650M?

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

ESM2-650M on the Apple M3 Max 128GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 1715k 209.2-252.3 t/s ~5.2-6.3 (slow)
Q8 yes 1725k 418.5-504.6 t/s ~10.5-12.6 (slow)
Q4 yes 1729k 747.3-901.1 t/s ~18.7-22.5 (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 M3 Max 128GB run ESM2-650M?โ–ถ

Yes. At Q4 it generates ~747.3-901.1 tok/s and fits up to 1729k context; beyond that it spills to SSD swap and slows to ~18.7-22.5 tok/s.

How much context fits?โ–ถ

At Q4, up to about 1729k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.