Meta Launches Muse Ember, a Low-Cost Model for Agentic Coding Tasks
Simon Willison's Weblog ·
Meta’s Muse Ember is a compact model designed for repeated agent work, including tool calls and coding subtasks. Its short-prompt pricing matches GPT-6 Luna and Claude Haiku 5.5, and it sits on Artificial Analysis’s efficiency frontier, though prices rise for longer prompts.
Why it mattersMuse Ember could offer coding agents a cost-efficient option for routine subtasks and tool use.