Meta LLM Light Closed weights

Muse Ember

3 days since Meta announced it · 9 Nov 2026

Muse Ember is a closed-weights LLM from Meta, announced 9 Nov 2026. It costs $0.10 per 1M input tokens and $0.50 per 1M output tokens. Its context window is 1M tokens.

Input: $0.10; per 1M tokens
Cache write: —; per 1M tokens
Cache read: $0.00; per 1M tokens
Output: $0.50; per 1M tokens
Context window: 1M; tokens
Parameters: —; not disclosed

Announcement: research.meta.ai/blog/muse-ember
Docs: dev.meta.ai/docs/muse-ember
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Meta's Muse Ember undercuts Haiku 5.5 on cost
09 Nov 2026

Meta · Light · Ember

closed weights

Muse Ember 9 Nov 2026

Meta's Muse Ember undercuts Haiku 5.5 on cost