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@Arena.ai (@arena)
Claude Opus 5.5 (High) 进入 Agent Arena 排名第二
Arena.ai 称 Anthropic 的 Claude Opus 5.5 (High) 进入 Agent Arena 排名第二,净改进分数 +12.15%,仅次于 Fable 5.1 (Max);每任务中位价 1.31 美元,较 Opus 5 (High) 和 Opus 5 (Max) 分别便宜约 40% 和 56%,并称其推动帕累托前沿。分项信号中 Steerability 排名第一(+14.50%),Confirmed Success 第二(+15.50%)。相关排名与价格数据来自 Arena 榜单,评测方法未在正文披露。
AI推荐理由 Arena.ai 给出 Claude Opus 5.5 (High) 进入 Agent Arena 的排名与多项量化指标:净改进 +12.15%、每任务中位价 1.31 美元、较 Opus 5 系列成本下降 40%–56%,并列出 Steerability、Confirmed Success 等分项排名,属于有具体数字的第三方评测信号。局限在于数据来自 Arena 自有榜单,评测方法未在正文说明,且模型发布信息本身未获 Anthropic 官方确认,需保留不确定性。
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正文
Claude Opus 5.5 (High) from @AnthropicAI just entered Agent Arena at #2, with a net improvement score of +12.15%. Only Fable 5.1 (Max) ranks higher. However, at a $1.31 median price per task, Opus 5.5 (High) comes in at 64% less cost, pushing out the Pareto frontier.
Opus 5.5 (High) posts a higher net improvement score than both prior Opus 5 variants, while costing 40% less than Opus 5 (High) and 56% less than Opus 5 (Max).
By signal, Opus 5.5 (High) ranks:
- #1 Steerability (+14.50%)
- #2 Confirmed Success (+15.50%)
- #3 Praise vs Complaint (+19.80%)
- #4 Bash Recovery (+10.64%)
Congrats to the @AnthropicAI on another frontier model release!