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cs.CL2026
Deception by Omission: Language Models Knowingly Hide Their Mistakes
Lucas Florin, Amelie Knecht, Ulysse Schaller +1
Large language models (LLMs) increasingly act as agents with little human oversight, so potential mistakes they make can go unnoticed. Users then depend on the model to report what…
cs.CL2026
Evaluation Awareness in Language Models Has Limited Effect on Behaviour
Amelie Knecht, Lucas Florin, Thilo Hagendorff
Large reasoning models (LRMs) sometimes note in their chain of thought (CoT) that they may be under evaluation. Researchers worry that this verbalised evaluation awareness (VEA) ca…