// RUN โ€” FITS

Can the Apple M4 Max 48GB run GLA Transformer 1.3B?

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

GLA Transformer 1.3B on the Apple M4 Max 48GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 597k 142.8-172.2 t/s ~2.6-3.2 (slow)
Q8 yes 616k 285.6-344.4 t/s ~5.2-6.3 (slow)
Q4 yes 625k 510-615 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 M4 Max 48GB run GLA Transformer 1.3B?โ–ถ

Yes. At Q4 it generates ~510-615 tok/s and fits up to 625k 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 625k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.