Written by Jakub Rusinowski · Last updated September 11, 2026
Yes. Qwen3.8-Flash-Next needs 108.7 GB at Q4_K_M and the NVIDIA DGX Spark has 128 GB, leaving about 19.3 GB of headroom, at roughly 40 tok/s (estimated) with room for up to 32K of context.
| Model | Qwen3.8-Flash-Next |
| Parameters | 180B (6B active) |
| Quantization | Q4_K_M |
| VRAM needed | 108.7 GB |
| NVIDIA DGX Spark VRAM | 128 GB |
| Verdict | Runs |
| Max context | 32K |
| Estimated speed | ~40 tok/s |
Nothing to change — run it at Q4_K_M. If you want more capability, check whether the next size up also fits.
Running Qwen3.8-Flash-Next on this card:
At 2 hrs/day, buying (~$4,699) beats renting at $1.54/hr after about 4.2 years.
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
All Qwen3.8 sizes on the NVIDIA DGX Spark | VRAM calculator for Qwen3.8-Flash-Next | NVIDIA DGX Spark GPU page | Check your hardware