Does the model fit on my Mac?
Enter the size of the model and the memory of your Mac. The answer is based on our measurements on two real machines.
For 96 GB and 16 GB the usable memory is measured (78 and 11.8 GB). For other sizes it is an estimate: roughly 75 to 80 % of the memory.
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M5 Ultra vs. Mac mini M6Rent a Mac Studio M5 Ultra by the hourOpenAI- and Anthropic-compatible API on a Mac Studio M5 UltraTry a Mac Studio M5 Ultra before you buy oneQwen3.8-Flash-NextOrnith-1.5 122BOrnith-1.5 9B
The models
| Model | Chip | Generation | Reading | First token | Power while answering |
|---|---|---|---|---|---|
| Qwen3.8-Flash-Next 180B · 4-bit + MTP · 74.7 GB | Mac Studio M5 Ultra 96 GB | 80 tok/s | 3,270 tok/s | 0.12 s | 38 W |
| Mac mini M6 16 GB | does not fit | ||||
| Ornith-1.5 122B 122B · 4-bit · 65.5 GB | Mac Studio M5 Ultra 96 GB | 125 tok/s | 3,246 tok/s | 0.05 s | measurement coming |
| Mac mini M6 16 GB | does not fit | ||||
| Ornith-1.5 9B 9B · 4-bit · 4.8 GB | Mac Studio M5 Ultra 96 GB | 161 tok/s | 5,193 tok/s | 0.03 s | measurement coming |
| Mac mini M6 16 GB | 26 tok/s | 998 tok/s | 0.17 s | 7.6 W | |