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// RUN — FITS
Can the Apple M3 Max 48GB run SeaLLM-7B-v2.5?
Yes — here's how fast and up to what context, with real measured numbers.
SeaLLM-7B-v2.5 on the Apple M3 Max 48GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 188k | 15.9-19.2 t/s | ~0.4-0.5 (slow) |
| Q8 | yes | 253k | 31.9-38.4 t/s | ~0.8-1 (slow) |
| Q4 | yes | 282k | 56.9-68.6 t/s | ~1.4-1.7 (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 M3 Max 48GB run SeaLLM-7B-v2.5?▶
Yes. At Q4 it generates ~56.9-68.6 tok/s and fits up to 282k context; beyond that it spills to SSD swap and slows to ~1.4-1.7 tok/s.
How much context fits?▶
At Q4, up to about 282k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.