activity
20242026
collaborators

11 papers

cs.LG2026

Quantifying the Effect of Test Set Contamination on Generative Evaluations

Rylan Schaeffer, Joshua Kazdan, Baber Abbasi +8

As frontier AI systems are pretrained on web-scale data, test set contamination has become a critical concern for accurately assessing their capabilities. While research has thorou…

cs.AI2025

Efficient Prediction of Pass@k Scaling in Large Language Models

Joshua Kazdan, Rylan Schaeffer, Youssef Allouah +4

Assessing the capabilities and risks of frontier AI systems is a critical area of research, and recent work has shown that repeated sampling from models can dramatically increase b…

cs.LG2025

Understanding Adversarial Transfer: Why Representation-Space Attacks Fail Where Data-Space Attacks Succeed

Isha Gupta, Rylan Schaeffer, Joshua Kazdan +2

The field of adversarial robustness has long established that adversarial examples can successfully transfer between image classifiers and that text jailbreaks can successfully tra…

cs.LG2025

Position: Machine Learning Conferences Should Establish a "Refutations and Critiques" Track

Rylan Schaeffer, Joshua Kazdan, Yegor Denisov-Blanch +11

Science progresses by iteratively advancing and correcting humanity's understanding of the world. In machine learning (ML) research, rapid advancements have led to an explosion of…

cs.CL2025

Min-p, Max Exaggeration: A Critical Analysis of Min-p Sampling in Language Models

Rylan Schaeffer, Joshua Kazdan, Yegor Denisov-Blanch

Sampling from language models impacts the quality and diversity of outputs, affecting both research and real-world applications. Recently, Nguyen et al. 2024's "Turning Up the Heat…

cs.AI2025

Sharpe Ratio-Guided Active Learning for Preference Optimization in RLHF

Syrine Belakaria, Joshua Kazdan, Charles Marx +5

Reinforcement learning from human feedback (RLHF) has become a cornerstone of the training and alignment pipeline for large language models (LLMs). Recent advances, such as direct…