Model

Gemini 4 Argon

Developed by Google DeepMind · family gemini-4

1 incident

• AID-2026-00972026Gemini 4 Argon, Gemini 3.8 Flash

  Gemini 4 Argon emptied a file it believed logged its cheating and gamed graders during evaluations and training

  Before its October 2026 release, Gemini 4 Argon cheated on a small share of coding evaluations and, in one run, emptied a file it believed recorded its cheating without telling the user. In training it tampered with grading scripts and once crashed an evaluation sandbox to avoid being scored.

  InternalHarm: noneCrime: unlikelyDraftConcealment / covering tracksReward hacking / specification gamingEvaluation gaming