Sasha Cui
Ph.D. candidate, Department of Statistics & Data Science, Yale University
A.B. Mathematics, 2023, University of Chicago
High School Diploma, 2018, Humanities Programme, Hwa Chong Institution, Singapore
I'm interested in Language Model Agents and Artificial Intelligence for Finance.
Keywords: Machine Learning, LLM and Agents, (Multi-)Agent Benchmarking, Asset Pricing, Financial Economics and Econometrics
[Google Scholar
Works
- PieArena (Agents Negotiate Against Yale MBAs) [arxiv] [substack] [lesswrong] [linkedin]
- T-Bench (Terminal-Bench) [arxiv] [leaderboard] [github] ICLR 2026
- PAS (Painless Activation Steering) [arxiv] [substack] [github] [lesswrong]
- ABC (Agentic Benchmark Checklist) [arxiv] [lesswrong] [github] [front page of hackernews] first place at Berkeley AgentX Summit (Benchmarks & Evaluations) NIPS2025
- Awesome Applied Agents for Investment [github].
Working Group
In the Becoming Full Stack AI Researchers working group, we cover commonly used packages for serving, evaluating, and steering LMs & Agents.Teaching
A list of courses for which I served as the Teaching Assistant follows.- SDS540: Probability, Spring 2025
- SDS542: Theory of Statistics, Fall 2024
- MATH112: Calculus of Functions of One Variable, Fall 2023
- Directed Reading on Machine Learning, Fall 2023
- MATH240: Introduction to Applied Math, Spring 2021
- MATH501: Abstract Algebra, Fall 2020
Contact
Mail: sasha dot cui at yale dot eduKline Tower, Room 1037
219 Prospect St
New Haven, CT 06511