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Muse Spark Open vs Qwen3.8-Flash-Next

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Open-Weight Models · verified 20 Oct 2026

Muse Spark OpenMetacurrent
Qwen3.8-Flash-NextAlibabacurrent
3 slots left
SpecificationMuse Spark OpenQwen3.8-Flash-Next
SummaryThe largest American open weights, under a licence with a revenue trigger.The most downloaded thing on Hugging Face right now, and a stated Qwen4 preview.
Context1M262K native, ~1M extended
Input ($/Mtok)Weights only$0.15
Output ($/Mtok)Weights only$0.47
LicenceMuse Model LicenseOpen weights
Max outputNot published32K
Parameters816B total, 42B active125B total, 6B active
Released15 Oct 202626 Aug 2026
Model IDmeta-models/Muse-Spark-Open-816B-A42BQwen/Qwen3.8-Flash-Next
CategoryOpen-Weight ModelsOpen-Weight Models
OfficialMeta ↗—

Highlighted rows are where these differ.

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 →

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 →