Meta Releases Muse Ember, a Low-Cost AI Model Built for Agent Workloads

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On November 9, 2026, Meta launched Muse Ember, the smallest model in its Muse family, aimed at the repetitive, high-volume tasks AI agents perform such as tool calls, routing, and document extraction. It is priced at $0.10 per million input tokens and $0.50 per million output tokens, with a one-million-token context window. Ember is available through Meta's Model API, its Muse Code agent, and OpenRouter. According to benchmarking firm Artificial Analysis, it matches Anthropic's Claude Haiku 5.5 on its top score while using fewer tokens per task, lowering the cost of a typical job. The article notes that Ember still has limitations that the low price does not address.

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