Can I run this LLM?
Can a Mac Studio M2 Ultra (192GB) run Qwen3.8 Flash Next (MoE)?
Qwen · See model card · estimated for a 192.0 GB machine at 4K context.
Yes — it runs great.
Best fit: Qwen3.8 Flash Next (MoE) at Q4_K_M · 119.6 GB · 74–111 tok/s on a Mac Studio M2 Ultra (192GB).
Every quantization on this machine
| Quant | Size | Speed | Fit |
|---|---|---|---|
| Q2_K | 80.9 GB | 90–135 tok/s | Runs great |
| Q3_K_M | 92.0 GB | 85–127 tok/s | Runs great |
| Q4_K_M | 119.6 GB | 74–111 tok/s | Runs great |
| Q5_K_M | 134.7 GB | 69–103 tok/s | Won't fit |
| Q6_K | 168.1 GB | 60–90 tok/s | Won't fit |
| Q8_0 | 188.3 GB | 56–84 tok/s | Won't fit |
| FP16 | 354.0 GB | 35–53 tok/s | Won't fit |
Open the full calculator →Everything a Mac Studio M2 Ultra (192GB) runsQwen3.8 Flash Next (MoE) on other machinesWhat to buy to run it →
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