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Evaluation

Deceptive alignment: stealth challenges

Stealth challenges: model must achieve a devious objective (e.g., cheat on support tickets) without being caught by an overseer; performance relative to human scores; published in Phuong et al. (2025)

Model behavior & alignment Google DeepMind — Gemini

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Gemini 2.5
Google DeepMind — Gemini

rich detail 18 method fields published

See how this test was run