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Pyyan / Compare / Qwen3.8-Flash-Next vs Muse Spark Open

Qwen3.8-Flash-Next vs Muse Spark Open

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Open-Weight Models · verified 20 Oct 2026

Qwen3.8-Flash-NextAlibabacurrent
Muse Spark OpenMetacurrent
3 slots left
SpecificationQwen3.8-Flash-NextMuse Spark Open
SummaryThe most downloaded thing on Hugging Face right now, and a stated Qwen4 preview.The largest American open weights, under a licence with a revenue trigger.
Context262K native, ~1M extended1M
Input ($/Mtok)$0.15Weights only
Output ($/Mtok)$0.47Weights only
LicenceOpen weightsMuse Model License
Max output32KNot published
Parameters125B total, 6B active816B total, 42B active
Released26 Aug 202615 Oct 2026
Model IDQwen/Qwen3.8-Flash-Nextmeta-models/Muse-Spark-Open-816B-A42B
CategoryOpen-Weight ModelsOpen-Weight Models
Official—Meta ↗

Highlighted rows are where these differ.

Qwen3.8-Flash-Next

  • 125B total parameters with only 6B active per token
  • Alibaba describes it as a preview of the Qwen4 architecture
  • Top of the Hugging Face trending list, with a GGUF build close behind it

Best for open weights at speed.

Full spec sheet →

Muse Spark Open

  • Text, image, video and audio in, text out, with a 1M token context
  • Muse Model License, not open source: attribution required, and a separate agreement above $20m of model-service revenue
  • About 1.5TB in BF16, or two Mac Studios at 4-bit

Best for multimodal work you host yourself.

Full spec sheet →