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// RUN — FITS
Can the Apple M4 Max 64GB run GRITLM 7B?
Yes — here's how fast and up to what context, with real measured numbers.
GRITLM 7B on the Apple M4 Max 64GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 318k | 25.6-30.9 t/s | ~0.5-0.6 (slow) |
| Q8 | yes | 373k | 51.3-61.8 t/s | ~0.9-1.1 (slow) |
| Q4 | yes | 397k | 91.6-110.4 t/s | ~1.7-2 (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 M4 Max 64GB run GRITLM 7B?▶
Yes. At Q4 it generates ~91.6-110.4 tok/s and fits up to 397k context; beyond that it spills to SSD swap and slows to ~1.7-2 tok/s.
How much context fits?▶
At Q4, up to about 397k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.