Local AI · Recipe · 1× RTX PRO 6000

Qwen3.8-Flash-Next 125B NVFP4 with SGLang on 1× RTX PRO 6000

Qwen3.8-Flash-Next 125B NVFP4 with SGLang on 1× RTX PRO 6000: 207 tok/s according to github.com (dataset as of Nov 3, 2026).

by jpezzulli

207tok/sMixed

1 request, mixed prompt set, with FR-Spec + NEXTN (per recipe)

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

Engine

Engine
SGLang
Quantization
NVFP4 (ModelOpt) + optional online FP8
Model family
Qwen3.8-Flash-Next
Context
524,288
Parameters
125B MoE
Creator
jpezzulli
GitHub stars
188
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

  • Mixed (decode)207 tok/sOnline FP8 an, Median post-first-token; ohne FP8: 161.465 Source 
  • Peak (decode)207 tok/sOnline FP8 an, Median post-first-token; ohne FP8: 161.465 Source 

Prefill by context

Time to first token

Shorter is better.

  • Prompt not stated428 msShort request, online FP8 Source 

What you need

Hardware
1 × NVIDIA RTX PRO 6000 Blackwell
Engine
SGLang
Context
524,288 tokens

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