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Qwen3.8-Flash-Next

Source: Simon Willison · AUG 26, 2026

Qwen3.8-Flash-Next 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: Via Hacker News Tags: ai , generative-ai , llms , qwen , pelican-riding-a-bicycle , ai-in-china , nvidia-spark

IN THIS STORY
  • Qwen
  • Nvidia DGX Spark
  • Qwen 4
  • Qwen3.8-Flash-Next

Sources

  • Read the original at Simon Willison

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