Arena.ai· @arena · X·· 3 小时前精选AI 评分73
AI 导读
Arena 官方宣布 Claude Opus 5.5 (High) 进入 Agent Arena 排名第 2，净改进分 +12.15%，仅次于 Fable 5.1 (Max)。其中位价格为每任务 $1.31，比 Opus 5 (High) 便宜 40%、比 Opus 5 (Max) 便宜 56%，分项上 Steerability 排名第 1（+14.50%）。
推荐理由
榜单方给出 Opus 5.5 (High) 在 Agent Arena 的排名、价格与两项 Opus 5 变体的对照数据，可用于比较智能体任务的成本与效果。
正文 · 原文
Opus 5.5 (High) ranks #2 in Agent Arena and reshapes the Pareto frontier. Opus 5.5 (high) not only improved upon both Opus 5 variants with a higher net improvement score than either, but does so at at 40–56% lower cost:
- Opus 5.5 (High): $1.31 median per task / +12.15% net improvement
- Opus 5 (Max): $2.98 median per task / +9.58% net improvement
- Opus 5 (High): $2.17 median per task / +9.47% net improvement
Congrats again to @AnthropicAI!
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!在 X 查看被引用的帖子
来源：Arena.ai · x.com