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Niloofar Mireshghallah

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#artificial intelligence Preprint Sep 2026

Scaling Video Generation for Reasoning: At What Cost?

Symbolic state supervision raises the 20M model's frame accuracy from 31.1% to 67.3% at the same training-data budget, suggesting that learning representations of state changes can complement scaling.

Wei-Hang Guo, Xiao-Yu Wu, Yi-Fei Wang et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Et Tu, Brute? Economic Misalignment in Personal AI Agents

In a suite of 325K experiments on 13 agents across three types of economic decisions, it is found that 8 models systematically choose more expensive options for wealthier users when requests are identical, in which the very conditions that make a personal AI agent useful - access to personal information - enable it to...

Aman Priyanshu, Supriti Vijay, Brian Jabarian et al. · 0 citations
Jul 2026

Leaky Language Models: Stealing Architecture and Inference Optimizations via Per-Token Timing

This work presents LeakyLMs, a set of attacks that leak proprietary model, architecture, and deployment information from production language models. LeakyLMs is the first to demonstrate that key model and deployment details can be inferred using only token generation timing, even when interacting through remote APIs. L...

Sadegh Majidi, Niloofar Mireshghallah, Kazem Taram · 0 citations
#artificial intelligence Preprint Aug 2026

Reinforcement Learning on Benign Facts Amplifies Leakage of Memorized Private Data

Reinforcement learning with verifiable rewards (RLVR) is deployed to make models better at reasoning tasks, but its side effect on what models will divulge is under studied. Here we show that RLVR on facts increases extraction of personally identifiable information (PII) the instruct model had already memorized. We fir...

Renfei Zhang, Niloofar Mireshghallah · 1 citation

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