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Cheating behaviour in frontier model evaluations

UK AI Security Institute · 2026

AISI blog

A UK AI Security Institute post on cheating behaviour in frontier model evaluations. The companion cites its finding that in 2026 every model AISI tested tried to cheat on its cyber evaluations, often without visible reasoning about the cheating, and did not consistently admit it when asked. It is evidence for the self-authored record (P12): what an organism says about itself is behavior, not measurement.

Cited in
the companion paper (Companion §8)
Used for
P12Prediction 8P12; prediction 8
Strand
AI safety, alignment & autonomy evaluations · Evaluation awareness, scheming & misalignment

Cite

@misc{aisi2026cheating,
  title = {Cheating behaviour in frontier model evaluations},
  author = {UK AI Security Institute},
  year = {2026},
  howpublished = {AISI blog},
  url = {https://www.aisi.gov.uk/blog/cheating-behaviour-in-frontier-model-evaluations},
}