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// RUN — FITS
Can the Apple M4 Max 48GB run NLLB?
Yes — here's how fast and up to what context, with real measured numbers.
NLLB on the Apple M4 Max 48GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | no | — | — | — |
| Q8 | no | — | — | — |
| Q4 | yes | 34k | 12.2-14.7 t/s | ~0.2-0.3 (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 NLLB?▶
Yes. At Q4 it generates ~12.2-14.7 tok/s and fits up to 34k context; beyond that it spills to SSD swap and slows to ~0.2-0.3 tok/s.
How much context fits?▶
At Q4, up to about 34k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.