Unverified50% confidenceFactExact time
The Opus 5 guide explicitly states that the model already checks itself, and that writing "please check again" in the prompt only increases cost without improving results.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/18/2026
First Seen
Valid until: 1/16/2027
Sources
Related Entities
Related Claims
UnverifiedOpus 5 automatically verifies its own work, and the official guidance recommends removing final verification or review instructions from prompts, as they cause excessive verification and waste tokens.72% similarUnverifiedThe safety reports for both Opus 5.5 and Astra show that the models frequently suspected they were being tested during evaluations.71% similarUnverifiedOpus 5将Token效率作为核心优化方向，而非仅追求基准测试分数71% similarUnverifiedWhen using Opus 5.5, the completion state of a task should be explicitly defined (e.g., screenshot required, PR submitted, tests passing) to give the model a clear endpoint.69% similarUnverifiedThe paper's conclusions are based on the model versions at the time of testing and represent a snapshot as of the test date, not a permanent judgment.67% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1058800API
curl https://kongchang.com/api/v1/knowledge/claims/1058800MCP
get_claim(id=1058800)