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// RUN — FITS
Can the Apple M1 Ultra 128GB run DeepSeek Coder 6.7B?
Yes — here's how fast and up to what context, with real measured numbers.
DeepSeek Coder 6.7B on the Apple M1 Ultra 128GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 765k | 40.6-49 t/s | ~0.5-0.6 (slow) |
| Q8 | yes | 816k | 81.2-97.9 t/s | ~1-1.2 (slow) |
| Q4 | yes | 839k | 145-174.8 t/s | ~1.8-2.2 (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 M1 Ultra 128GB run DeepSeek Coder 6.7B?▶
Yes. At Q4 it generates ~145-174.8 tok/s and fits up to 839k context; beyond that it spills to SSD swap and slows to ~1.8-2.2 tok/s.
How much context fits?▶
At Q4, up to about 839k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.