Agent Arena update: Muse Ember (Max) debuts at #25, tied with Muse Wonder

arena · x · 2026-11-12

Arena announced Muse Ember (Max) ranks #25 overall in Agent Arena, on par with Muse Wonder (Max) at #24. The leaderboard chart (a staging internal preview dated Nov 11, 2026) shows Claude Fable 5.2 (Max) leading at +30.4% net improvement, followed by Claude Opus 5.5 (+19.5%) and Gemini 4 Carbon (+17.0%), with DeepSeek-V4.1-Flash and Claude Sonnet 5 tied at #23, GPT-6 Luna at #27, GLM-5.3 at #28 and Kimi K3 at #29.

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