collaborators

9 papers

cs.CL2026

Prompt Injection as Role Confusion

Charles Ye, Jasmine Cui, Dylan Hadfield-Menell

LLMs see the world as a single stream of text, partitioned into roles like <user> or <tool>. We trace prompt injection to role confusion: models perceive the source of text from ho…

cs.AI2026

Alignment Tampering: How Reinforcement Learning from Human Feedback Is Exploited to Optimize Misaligned Biases

Dongyoon Hahm, Dylan Hadfield-Menell, Kimin Lee

Reinforcement Learning from Human Feedback (RLHF) is the standard method to align Large Language Models (LLMs) with human preferences. In this work, we introduce alignment tamperin…

cs.CY2026

Video Deepfake Abuse: How Company Choices Predictably Shape Misuse Patterns

Max Kamachee, Stephen Casper, Michelle L. Ding +4

In 2022, AI image generators crossed a threshold, enabling much more efficient and dynamic production of photorealistic deepfake images than before. This enabled opportunities for…

cs.AI2025

Evaluating Generalization Capabilities of LLM-Based Agents in Mixed-Motive Scenarios Using Concordia

Chandler Smith, Marwa Abdulhai, Manfred Diaz +83

Large Language Model (LLM) agents have demonstrated impressive capabilities for social interaction and are increasingly being deployed in situations where they might engage with bo…

cs.CL2025

Diverse Preference Learning for Capabilities and Alignment

Stewart Slocum, Asher Parker-Sartori, Dylan Hadfield-Menell

The ability of LLMs to represent diverse perspectives is critical as they increasingly impact society. However, recent studies reveal that alignment algorithms such as RLHF and DPO…

cs.CY2025

Pitfalls of Evidence-Based AI Policy

Stephen Casper, David Krueger, Dylan Hadfield-Menell

Nations across the world are working to govern AI. However, from a technical perspective, there is uncertainty and disagreement on the best way to do this. Meanwhile, recent debate…