Meta LLM Medium Open weights

Muse Glimmer

94 days since Meta announced it · 10 Aug 2026

Muse Glimmer is an open-weights LLM from Meta, announced 10 Aug 2026. Its context window is 128K tokens. It has 30B parameters.

Input: —; per 1M tokens
Cache write: —; per 1M tokens
Cache read: —; per 1M tokens
Output: —; per 1M tokens
Context window: 128K; tokens
Parameters: 30B; total

No price on the lab’s own pages.

Docs: dev.meta.ai/docs/muse-glimmer

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Meta · Medium

open weights

Muse Glimmer 10 Aug 2026

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Facts last updated 1 Nov 2026, from Meta’s own pages.