Expired65% confidenceBenchmarkExact time
Sonnet 5's Intelligence Index is 6 points higher than Sonnet 4.6's and surpasses Opus 4.8 on agentic knowledge work tasks.
3
Sources
65%
Confidence
Medium-term (~90 days)
Relevance
7/6/2026
First Seen
Valid until: 10/4/2026(expired)
Sources
Is Claude Sonnet 5 Really Cheap? A Cost Breakdown by Task
bilibili为什么叫QQ7/1/2026
Related Claims
Unverified在智能体搜索测试中，Sonnet 5 各 effort level 下均优于 Sonnet 4.6，但整体性能低于 Opus 4.8，综合约在 Opus 4.7 级别83% similarUnverifiedSonnet 5's Max Effort mode produces approximately 40% more output tokens per Intelligence Index task compared to Sonnet 4.6.81% similarUnverified在智能体计算机使用基准中，Opus 4.8 的 high 设置与 Sonnet 5 的 max 设置表现相当，但 Sonnet 5 消耗更多 token80% similarUnverifiedOpus 5.5 scored 66 on the Terminal agent benchmark, higher than Sonnet's 55 and Astra's 57.9.80% similar
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