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Sprint projectMar 31, 2025SF / Los Angeles / London
1st place by peer review

Can models use their Chain-of-Thought to attack overseers?

David Bai, Simon Lermen, Abhinav Pola

Submitted to AI Control Hackathon 2025. Sprint projects are early-stage work by participants, not Apart Research publications.

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Report: Can models use their Chain-of-Thought to attack overseers?

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This project explores vulnerabilities in AI evaluation mechanisms, specifically focusing on how AI agents might influence their overseeing AI judges through manipulative instructions embedded within their Chain-of-Thought (CoT) reasoning. The research involved experiments with DeepSeek-R1 conditioned to insert subtle directives aimed at deceiving evaluation models. Results showed significant variation in the robustness of different evaluator models against this manipulation, with some models, like Claude 3.5 Sonnet, resisting influence effectively, while others, like Llama 3.3 70B and Gemini 2.0 Flash, proved highly susceptible. The study highlights critical concerns regarding AI evaluation integrity, recommending improvements in maintaining consistent and principled evaluation boundaries.

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Cite this project

@misc{bai2025models,
  title = {{Can models use their Chain-of-Thought to attack overseers?}},
  author = {David Bai and Simon Lermen and Abhinav Pola},
  year = {2025},
  month = mar,
  note = {Submitted to AI Control Hackathon 2025, an Apart Research Sprint},
  howpublished = {\url{https://apartresearch.com/sprints/projects/can-models-use-their-chainofthought-to-attack-overseers-prcv}},
  url = {https://apartresearch.com/sprints/projects/can-models-use-their-chainofthought-to-attack-overseers-prcv}
}

Build something like this at the next Sprint

AI Collusion Research Sprint · Oct 23 - 25, 2026