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// RUN — FITS
Can the Apple M4 Max 48GB run OpenELM-450M?
Yes — here's how fast and up to what context, with real measured numbers.
OpenELM-450M on the Apple M4 Max 48GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 623k | 412.5-497.5 t/s | ~7.6-9.1 (slow) |
| Q8 | yes | 629k | 825.1-994.9 t/s | ~15.1-18.2 (slow) |
| Q4 | yes | 632k | 1473.3-1776.7 t/s | ~27-32.5 (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 OpenELM-450M?▶
Yes. At Q4 it generates ~1473.3-1776.7 tok/s and fits up to 632k context; beyond that it spills to SSD swap and slows to ~27-32.5 tok/s.
How much context fits?▶
At Q4, up to about 632k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.