Can I run this LLM?
Can a NVIDIA B200 (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 Q5_K_M · 134.7 GB · 284–427 tok/s on a NVIDIA B200 (192GB).
Every quantization on this machine
| Quant | Size | Speed | Fit |
|---|---|---|---|
| Q2_K | 80.9 GB | 312–467 tok/s | Runs great |
| Q3_K_M | 92.0 GB | 306–458 tok/s | Runs great |
| Q4_K_M | 119.6 GB | 292–437 tok/s | Runs great |
| Q5_K_M | 134.7 GB | 284–427 tok/s | Runs great |
| Q6_K | 168.1 GB | 270–404 tok/s | Tight / slow |
| Q8_0 | 188.3 GB | 261–392 tok/s | Won't fit |
| FP16 | 354.0 GB | 209–314 tok/s | Won't fit |
Open the full calculator →Everything a NVIDIA B200 (192GB) runsQwen3.8 Flash Next (MoE) on other machinesWhat to buy to run it →
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