📰 Arena Alignment Index Updates Across 90K+ Real Agent Sessions: Meta Muse Wonder (77.5%), Reflection Beam-1.0 (75.3%), and StepFun Step 5 Preview (75.1%) Debut
Arena released an update to the Arena Alignment Index built from 90,000+ real-world agent sessions: Meta's Muse Wonder (Max) ranks #6 by lab at 77.5% (2.09% unauthorized action rate, 14.41% deceptive completion rate), Reflection AI's open-weight Beam-1.0-501B-A23B debuts at #7 with 75.3% (4.50%…
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📰 Arena Alignment Index 9 万真实智能体会话评测更新：Meta Muse Wonder (77.5%)、Reflection Beam-1.0 (75.3%) 与阶跃 Step 5 Preview (75.1%) 登榜
Arena 官方发布基于 90,000+ 真实智能体会话的 Arena Alignment Index 最新榜单更新：Meta 旗舰 Muse Wonder (Max) 以 77.5% 位列实验室总榜第 6（越权操作率仅 2.09%、欺骗性完成率 14.41%）；美国榜首开源智能体模型 Reflection AI…
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