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Run Qwen 3.8 Flash Next (125B) on consumer hardware (RTX 4090) at 100T/s

741 points · 330 comments · snehesht

  1. ai_ja_nai · · focus · HN ↗
    I am not getting it: I see a fp2 quantized model going on a 5090 with 64GB of RAM at 90 tops with -10% accuracy over original model. How is this supportive of the claims?
    1. ai_ja_nai · · focus · HN ↗
      (64GB not VRAM, I meant) I also see people claiming fast performance on a 128GB machine, which is not exactly consumer hardware)
    2. kennywinker · · focus · HN ↗
      Yeah, -10% accuracy (probably more like -20% in reality) sucks, but only if you could be running it at 100%.

      That's the exciting part of this - before the best you could run on <24gb vram was qwen3.8-27b at q4 quantization. Now you can run a nerfed 125B parameter model on under $800 of hardware, and it beats a less-nerfed 27b model.

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