Their finding that awareness drops sharply when grading isn't disclosed and that acting on it is rare is quite similar to what we observe in our evaluation also. Claude opus 5.5 system card:

Our work on Decomposing and Measuring Evaluation Awareness was covered by @theinformation. Thanks @rocketalignment for the write-up! We position this work as the foundational reference for studying…

🔍 We release our work on decomposing and measuring evaluation awareness in frontier LLMs, together with EvalAwareBench, a factor-controlled benchmark for measuring which environmental cues trigger…

💥 Today we release a new paper on decomposing and measuring evaluation awareness in frontier LLMs. We also release EvalAwareBench, a factor-controlled benchmark for measuring which environmental…