Local AI · Recipe · 2× RTX 3090

Qwen3.8-Flash-Next 125B UD-Q4_K_XL with llama.cpp on 2× RTX 3090

Qwen3.8-Flash-Next 125B UD-Q4_K_XL with llama.cpp on 2× RTX 3090: 36.8 tok/s according to github.com (dataset as of Nov 3, 2026).

by noonghunna

36.8tok/sEveryday

1 request, prose prompt, with ngram

Source: github.com
Intelligence (original model) · Artificial Analysis40with thinking

Engine

Engine
llama.cpp
Quantization
GGUF UD-Q4_K_XL, q8_0 KV
Model family
Qwen3.8-Flash-Next
Context
204,800
Parameters
125B MoE
Creator
noonghunna
GitHub stars
2,471
Repo updated
Nov 2, 2026

Measurements

Every sourced value of this recipe, each with its condition and source. Bars relative to the largest value in the group.

Decode · 1 request

  • Everyday (decode)36.8 tok/sNarrativ-Prompt (800-Wort-Essay), mean wall TPS; v1.6-rc0 default, ngram-mod Source 
  • Peak (decode)36.8 tok/sNarrativ-Prompt (800-Wort-Essay), mean wall TPS; v1.6-rc0 default, ngram-mod Source 

Prefill by context

What you need

Hardware
2 × NVIDIA RTX 3090
Weights
Engine
llama.cpp
Context
204,800 tokens

Notes

What matters before you rebuild it.

  • Partly in system RAM
  • Experimental
  • License unclear

Sources

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Details

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