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// RUN — FITS
Can the Apple M4 Max 128GB run Ovis2.5 9B?
Yes — here's how fast and up to what context, with real measured numbers.
Ovis2.5 9B on the Apple M4 Max 128GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 730k | 20.6-24.9 t/s | ~0.4-0.5 (slow) |
| Q8 | yes | 799k | 41.3-49.7 t/s | ~0.8-0.9 (slow) |
| Q4 | yes | 829k | 73.7-88.8 t/s | ~1.3-1.6 (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 128GB run Ovis2.5 9B?▶
Yes. At Q4 it generates ~73.7-88.8 tok/s and fits up to 829k context; beyond that it spills to SSD swap and slows to ~1.3-1.6 tok/s.
How much context fits?▶
At Q4, up to about 829k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.