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Pyyan / Compare / DeepSeek V4 Flash Vision Exp vs Muse Spark Open

DeepSeek V4 Flash Vision Exp vs Muse Spark Open

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Open-Weight Models · verified 20 Oct 2026

DeepSeek V4 Flash Vision ExpDeepSeekdeprecated
Muse Spark OpenMetacurrent
3 slots left
SpecificationDeepSeek V4 Flash Vision ExpMuse Spark Open
SummaryExperimental, says so in the name, and shipped anyway.The largest American open weights, under a licence with a revenue trigger.
Context128K1M
Input ($/Mtok)$0.44Weights only
Output ($/Mtok)$1.32Weights only
LicenceOpen weightsMuse Model License
Max output32KNot published
ParametersNot published816B total, 42B active
Released21 Aug 202615 Oct 2026
Model IDdeepseek-ai/DeepSeek-V4-Flash-Vision-Expmeta-models/Muse-Spark-Open-816B-A42B
CategoryOpen-Weight ModelsOpen-Weight Models
Official—Meta ↗

Highlighted rows are where these differ.

DeepSeek V4 Flash Vision Exp

  • Retired 10 September 2026: requests now route to DeepSeek V4.1 Flash
  • Was DeepSeek's first Flash tier with image input

Best for cheap multimodal trials.

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 →