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// RUN — FITS
Can the Apple M4 Max 128GB run Stable Cascade?
Yes — here's how fast and up to what context, with real measured numbers.
Stable Cascade on the Apple M4 Max 128GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 789k | 36.3-43.7 t/s | ~0.7-0.8 (slow) |
| Q8 | yes | 828k | 72.5-87.4 t/s | ~1.3-1.6 (slow) |
| Q4 | yes | 846k | 129.5-156.2 t/s | ~2.4-2.9 (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 Stable Cascade?▶
Yes. At Q4 it generates ~129.5-156.2 tok/s and fits up to 846k context; beyond that it spills to SSD swap and slows to ~2.4-2.9 tok/s.
How much context fits?▶
At Q4, up to about 846k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.