---
title: "Qwen3.8-Flash-Next"
section: "raw"
type: "source"
created: "2026-08-29"
updated: "2026-08-29"
canonical: "https://pyweb.dev/wiki/raw/articles/simon-willison-qwen3-8-flash-next-2026"
---
# Qwen3.8-Flash-Next

Qwen3.8-Flash-Next
Simon Willison’s Weblog
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26th August 2026 - Link Blog
Qwen3.8-Flash-Next (via) Another open weights model from Qwen. This one is "a multimodal MoE model that also serves as an early preview of the architecture used in Qwen4".
It's pretty big: 125B tokens, but only 6B active which means it gets a significant performance boost.
I've been trying it out on a DGX Spark using these Unsloth quantized models. I'm still exploring the model - so far I've tried the 72.5GB UD-IQ1_S one (producing these pelicans) and the 78.9GB UD-Q2_K_XL (producing these).
My favorite so far was this xhigh reasoning effort one from UD-Q2_K_XL:
Posted 26th August 2026 at 11:52 pm
Recent articles
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This is a link post by Simon Willison, posted on 26th August 2026.
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## Agent Navigation

### Machine endpoints
- Knowledge graph: https://pyweb.dev/api/graph.json
- Graph analysis: https://pyweb.dev/api/graph-analysis.json
- Context index: https://pyweb.dev/llms.txt
