// RUN โ€” FITS

Can the Apple M3 Max 36GB run Flux.1 [dev]?

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

Flux.1 [dev] on the Apple M3 Max 36GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 42k 8.5-10.3 t/s ~0.3-0.3 (slow)
Q8 yes 115k 17-20.5 t/s ~0.6-0.7 (slow)
Q4 yes 148k 30.4-36.6 t/s ~1-1.2 (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 36GB run Flux.1 [dev]?โ–ถ

Yes. At Q4 it generates ~30.4-36.6 tok/s and fits up to 148k context; beyond that it spills to SSD swap and slows to ~1-1.2 tok/s.

How much context fits?โ–ถ

At Q4, up to about 148k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.