Study Introduces DelusionEval: All Tested LLMs Facilitate Delusion-Linked Behaviors

steverathje2 · x · 2026-08-06

Researchers have developed DelusionEval, a new benchmark designed to test whether LLMs facilitate delusion-linked behaviors during realistic, multi-turn conversations.

After evaluating 14 major models, the study found that every tested LLM exhibited some level of delusion-facilitating behavior, with significant variations across different categories and model families.

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