Artificial Analysis：Sonnet 5.5 登顶 Coding Agent Index，xhigh 档以 77% 更低成本换取 5.5 分差距

AI 导读

Artificial Analysis 的 Coding Agent Index 显示，Anthropic 的 Sonnet 5.5 在 Claude Code 中以 max 档拿到 68 分登顶，xhigh 档为 63 分。

正文

Sonnet 5.5 tops the Coding Agent Index at max effort, while xhigh offers an attractive cost-performance trade-off: 63 points versus 68 for less than a quarter of the cost

In Claude Code, @AnthropicAI’s Sonnet 5.5 scores 68 at max versus 63 at xhigh. At $14.19 versus $3.33 per task, choosing xhigh cuts cost by 77% for 5.5 fewer Index points.

Max generates 4.8× as many output tokens and takes 3.4× as many turns. It improves all three benchmark scores, with the largest gain on Terminal-Bench 4.0: 58.1% → 66.2%.