Cohere on Apple M3
Can I run Command R 35B on an Mac Studio M3 Ultra 256GB?
Yes. Command R 35B at Q4_K_M uses 30.7 GB of the 192.0 GB available on a Mac Studio M3 Ultra 256GB, and runs at about 18.8 tokens per second. You can push the context to 128K.
Runs comfortably
30.7 GB of 192.0 GB · 16%0192 GB
Weights
20.1 GB
KV cache
10.0 GB
Runtime overhead
0.6 GB
Command R 35B at Q4_K_M leaves 161.3 GB spare on a Mac Studio M3 Ultra 256GB. There is room to raise the context length or move up a quantisation level.
Generation18.8tok/s
Prompt processing342tok/s
Max context128Ktokens
KV per 1K tokens0GB
Every quantisation of Command R 35B on a Mac Studio M3 Ultra 256GB
Highlighted row is the highest quality that still fits at 8K context.
| Quantisation | bpw | Weights | Total | Verdict | Max ctx | tok/s |
|---|---|---|---|---|---|---|
| FP16 / BF16 | 16.00 | 65.2 GB | 75.7 GB | Runs comfortably | 101K | 6.73 |
| INT8 / W8A8 | 8.50 | 33.7 GB | 44.3 GB | Runs comfortably | 126K | 12.2 |
| Q8_0 (GGUF) | 8.50 | 33.7 GB | 44.3 GB | Runs comfortably | 126K | 12.2 |
| FP8 (E4M3) | 8.00 | 32.6 GB | 43.2 GB | Runs comfortably | 127K | 12.6 |
| Q6_K | 6.56 | 26.7 GB | 37.3 GB | Runs comfortably | 128K | 14.9 |
| Q5_K_M | 5.67 | 23.1 GB | 33.7 GB | Runs comfortably | 128K | 16.8 |
| AWQ 4-bit | 4.25 | 23.0 GB | 33.6 GB | Runs comfortably | 128K | 16.8 |
| GPTQ 4-bit | 4.25 | 23.0 GB | 33.6 GB | Runs comfortably | 128K | 16.8 |
| MXFP4 | 4.25 | 23.0 GB | 33.6 GB | Runs comfortably | 128K | 16.8 |
| Q5_K_S | 5.52 | 22.5 GB | 33.1 GB | Runs comfortably | 128K | 17.2 |
| Q4_K_M | 4.85 | 20.1 GB | 30.7 GB | Runs comfortably | 128K | 18.8 |
| Q4_K_S | 4.58 | 19.1 GB | 29.7 GB | Runs comfortably | 128K | 19.5 |
| Q4_0 | 4.55 | 19.0 GB | 29.6 GB | Runs comfortably | 128K | 19.6 |
| IQ4_XS | 4.25 | 17.9 GB | 28.5 GB | Runs comfortably | 128K | 20.5 |
| Q3_K_M | 3.91 | 16.7 GB | 27.3 GB | Runs comfortably | 128K | 21.7 |
| IQ3_M | 3.70 | 15.9 GB | 26.5 GB | Runs comfortably | 128K | 22.5 |
| IQ3_XXS | 3.06 | 13.7 GB | 24.2 GB | Runs comfortably | 128K | 25.2 |
| Q2_K | 2.63 | 12.1 GB | 22.7 GB | Runs comfortably | 128K | 27.5 |
| IQ2_XXS | 2.06 | 10.1 GB | 20.7 GB | Runs comfortably | 128K | 31.2 |
| IQ1_M | 1.75 | 9.0 GB | 19.5 GB | Runs comfortably | 128K | 33.6 |