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// RUN — FITS
Can the Apple M4 Max 128GB run Cosmos-Predict2-2B-Text2Image?
Yes — here's how fast and up to what context, with real measured numbers.
Cosmos-Predict2-2B-Text2Image on the Apple M4 Max 128GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 1674k | 92.8-111.9 t/s | ~1.7-2.1 (slow) |
| Q8 | yes | 1704k | 185.6-223.9 t/s | ~3.4-4.1 (slow) |
| Q4 | yes | 1718k | 331.5-399.8 t/s | ~6.1-7.3 (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 128GB run Cosmos-Predict2-2B-Text2Image?▶
Yes. At Q4 it generates ~331.5-399.8 tok/s and fits up to 1718k context; beyond that it spills to SSD swap and slows to ~6.1-7.3 tok/s.
How much context fits?▶
At Q4, up to about 1718k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.