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Pyyan / Compare / Muse Glimmer vs DeepSeek V4.1 Flash

Muse Glimmer vs DeepSeek V4.1 Flash

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Open-Weight Models · verified 13 Sept 2026

Muse GlimmerMetacurrent
DeepSeek V4.1 FlashDeepSeekcurrent
3 slots left
SpecificationMuse GlimmerDeepSeek V4.1 Flash
SummaryMeta's open one. 29.6B dense, Apache 2.0, no published price.Twice the parameters of the Flash it replaces, and cheaper to run.
Context131K1M
Input ($/Mtok)Weights only$0.3
Output ($/Mtok)Weights only$1.2
LicenceApache 2.0MIT
Max output16K256K
Parameters29.6B dense552B total, 8B / 16B active
Released10 Aug 202610 Sep 2026
Model IDmeta/muse-glimmerdeepseek-flash
CategoryOpen-Weight ModelsOpen-Weight Models
Official—DeepSeek ↗

Highlighted rows are where these differ.

Muse Glimmer

  • 29.6B dense parameters under Apache 2.0
  • 131K native context
  • The open counterpart to Muse Spark 1.2, which is proprietary

Best for a permissive Meta model.

Full spec sheet →

DeepSeek V4.1 Flash

  • 552B total, 8B active while reading the prompt and 16B while generating, with a 1M token context
  • DeepSeek says it beats V4-Pro; V4-Pro requests route to it from 14 September 2026
  • MIT licence, native image input, and a KV cache about a quarter the size of V4-Flash's

Best for cheap agentic coding with images.

Full spec sheet →