Meta releases Muse Ember, a small model priced for agent work
Meta released Muse Ember at $0.10 per million input tokens and $0.50 per million output tokens, aimed at the tool calls and subtasks agents repeat all day.
Source published · In the Daily Brief of 10 November 2026
Filed under Large language models, Agents, AI industry
Muse Ember is Meta’s smallest and cheapest model, built for tool calls, coding subtasks, routing, extraction and long-document parsing. It has a context window of 1m tokens and can produce up to 512,000 tokens of output, and it is available on the Meta Model API.
On the Artificial Analysis index Meta reported a score of 36 at maximum reasoning effort, level with Claude Haiku 5.5 and ahead of GPT-6 Luna at 28. Meta said Ember matches Haiku’s best score at about a third of the cost per task; its own cost figures are estimates at the proposed price.