// RUN โ€” FITS

Can the Apple M2 Ultra 64GB run Pleias-RAG-1B?

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

Pleias-RAG-1B on the Apple M2 Ultra 64GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 819k 226.7-273.3 t/s ~2.8-3.4 (slow)
Q8 yes 838k 453.3-546.7 t/s ~5.7-6.8 (slow)
Q4 yes 846k 809.5-976.2 t/s ~10.1-12.2 (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 64GB run Pleias-RAG-1B?โ–ถ

Yes. At Q4 it generates ~809.5-976.2 tok/s and fits up to 846k context; beyond that it spills to SSD swap and slows to ~10.1-12.2 tok/s.

How much context fits?โ–ถ

At Q4, up to about 846k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.