Muse Ember hits 46 on AA Coding Agent Index in Muse Code, beating Haiku 5.5 and GPT-6 Luna

ArtificialAnlys · x · 2026-11-10

Artificial Analysis follow-up: running inside its own coding agent Muse Code, Muse Ember (max) scores 46 on the AA Coding Agent Index, ahead of Claude Haiku 5.5 in Claude Code (37) and GPT-6 Luna in Codex (31). The lead comes from SWE-Atlas-QnA-AA and Terminal-Bench 4.0, while it still trails Haiku 5.5 on FrontierCode.

Related event: AA Review: Meta's Muse Ember Matches Claude Haiku 5.5 at One-Third the Cost(14 posts)→

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