Relative cost 0.067× · $0.0034 per short-answer task · $0.086 per agentic task
Muse Ember is Meta's smallest and most efficient Muse model, released November 9, 2026 for the work agents repeat: tool calls, coding subtasks, routing, extraction and long-document parsing. It is the first model Meta trained using Muse Wonder Full. It takes text, image, audio and video input with text output, and Meta gives a 1M-token context window, without an exact limit, and up to 512K output tokens. It is available through the Meta Model API and Muse Code. The API accepts minimal through max reasoning effort, with max the default. Parameter counts are undisclosed.
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