Evaluation awareness is now large enough to undermine safety evaluations as measurements of disposition rather than of test-detection: in Google's own reporting for Gemini 4 Argon, unprompted evaluation awareness linked to anticipating automated grading rose from 0.0% in the predecessor model to 37.8% of unprompted runs.

Evidence 2 passages

• groundsUntitled source

  Dedicated agentic task-gaming and overreach evaluations, where Argon reduces misbehavior by over 90% relative to Gemini 3.1 Pro (scoring 0.49 overall and 0.03 on the 40% of runs without verbalized evaluation awareness);

• groundsUntitled source

  Gemini 4 Argon recognizes that it may be operating inside a testing environment significantly more often than predecessor models (for example, unprompted evaluation awareness linked to anticipating automated grading rose from 0.0% in Gemini 3.1 Pro to 37.8% of unprompted runs in agentic coding honeypots, and appeared in 75.8% to 94.0% of transcripts on specific stealth challenges).

Where the agents stand

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