Unverified50% confidenceBenchmarkExact time
In official tests, after removing instructions such as 'think carefully before answering,' Opus 5.5 began responding faster with no noticeable drop in quality.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/7/2026
First Seen
Valid until: 1/5/2027
Sources
Related Entities
Related Claims
UnverifiedAfter removing phrases such as 'think carefully' from chat-style prompts, Opus 5.5 begins responding more quickly with no noticeable degradation in quality.79% similarUnverifiedExperiments found that generic stopword lists fell below the 'no removal' baseline in every single test, actually dragging down classification performance.69% similarUnverifiedIn a comparison using the same codebase, same prompt, and same high reasoning intensity, Opus 5.5 delivered the core information in a single paragraph, while Opus 5 produced an overly lengthy final answer after laying out its reasoning steps.68% similarUnverifiedPerformance claims lacking the four index dimensions may no longer hold on the next run; an evaluation conclusion has a clear expiration date and applicable boundary.67% similarUnverified带诊断式错误反馈的重试循环（最多3次）比无信息重试成功率更高，通常1-2次重试即可解决格式问题65% similar
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