// RUN โ€” FITS

Can the Apple M1 Ultra 128GB run Llama-3.1-Minitron-4B?

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

Llama-3.1-Minitron-4B on the Apple M1 Ultra 128GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 1613k 68-82 t/s ~0.9-1 (slow)
Q8 yes 1674k 136-164 t/s ~1.7-2.1 (slow)
Q4 yes 1701k 242.9-292.9 t/s ~3-3.7 (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 Llama-3.1-Minitron-4B?โ–ถ

Yes. At Q4 it generates ~242.9-292.9 tok/s and fits up to 1701k context; beyond that it spills to SSD swap and slows to ~3-3.7 tok/s.

How much context fits?โ–ถ

At Q4, up to about 1701k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.