// RUN โ€” FITS

Can the Apple M3 Max 128GB run OpenThaiGPT 1.6 / OTG-1.6 (72B)?

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

OpenThaiGPT 1.6 / OTG-1.6 (72B) on the Apple M3 Max 128GB

QuantFits?Max contextSpeedBeyond context
FP16 no โ€” โ€” โ€”
Q8 yes 127k 3.8-4.6 t/s ~0.1-0.1 (slow)
Q4 yes 224k 6.7-8.1 t/s ~0.2-0.2 (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 M3 Max 128GB run OpenThaiGPT 1.6 / OTG-1.6 (72B)?โ–ถ

Yes. At Q4 it generates ~6.7-8.1 tok/s and fits up to 224k context; beyond that it spills to SSD swap and slows to ~0.2-0.2 tok/s.

How much context fits?โ–ถ

At Q4, up to about 224k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.