Koushik Sen

Full Professor, UC Berkeley, University of California, Berkeley

Joined

May 2023

Names

Koushik Sen (Preferred)

Emails

****@berkeley.edu (Confirmed)

Personal Links

Homepage

Google Scholar

DBLP

Career & Education History

Full Professor

UC Berkeley, University of California, Berkeley (cs.berkeley.edu)

2006 – Present

Advisors, Relations & Conflicts

No relations added

Expertise

No areas of expertise listed

Publications

Measuring Agents in Production
Melissa Pan, Negar Arabzadeh, Riccardo Cogo, Yuxuan Zhu, Alexander Xiong, Lakshya A Agrawal, Huanzhi Mao, Emma Shen, Sid Pallerla, Liana Patel, Shu Liu, Tianneng Shi, Xiaoyuan Liu, Jared Quincy Davis, Emmanuele Lacavalla, Alessandro Basile, Shuyi Yang, Paul Castro, Daniel Kang, Koushik Sen et al. (5 additional authors not shown)
- ICLR 2026 AIWILD
- Readers: Everyone
GEPA: Reflective Prompt Evolution Can Outperform Reinforcement Learning
Lakshya A Agrawal, Shangyin Tan, Dilara Soylu, Noah Ziems, Rishi Khare, Krista Opsahl-Ong, Arnav Singhvi, Herumb Shandilya, Michael J Ryan, Meng Jiang, Christopher Potts, Koushik Sen, Alex Dimakis, Ion Stoica, Dan Klein, Matei Zaharia, Omar Khattab
- ICLR 2026 Oral
- Readers: Everyone
GEPA: Reflective Prompt Evolution Can Outperform Reinforcement Learning
Lakshya A Agrawal, Shangyin Tan, Dilara Soylu, Noah Ziems, Rishi Khare, Krista Opsahl-Ong, Arnav Singhvi, Herumb Shandilya, Michael J Ryan, Meng Jiang, Christopher Potts, Koushik Sen, Alex Dimakis, Ion Stoica, Dan Klein, Matei Zaharia, Omar Khattab
- FoRLM 2025
- Readers: Everyone
Recovery-Bench: Evaluating Agentic Recovery from Mistakes
Shangyin Tan, Kevin Lin, Koushik Sen, Matei Zaharia
- NeurIPS 2025 LLM Evaluation Workshop Poster
- Readers: Everyone
R2E-Gym: Procedural Environments and Hybrid Verifiers for Scaling Open-Weights SWE Agents
Naman Jain, Jaskirat Singh, Manish Shetty, Tianjun Zhang, Liang Zheng, Koushik Sen, Ion Stoica
- DL4C @ NeurIPS 2025 Poster
- Readers: Everyone
GSO: Challenging Software Optimization Tasks for Evaluating SWE-Agents
Manish Shetty, Naman Jain, Jinjian Liu, Vijay Kethanaboyina, Koushik Sen, Ion Stoica
- NeurIPS 2025 Datasets and Benchmarks Track poster
- Readers: Everyone
R2E-Gym: Procedural Environment Generation and Hybrid Verifiers for Scaling Open-Weights SWE Agents
Naman Jain, Jaskirat Singh, Manish Shetty, Tianjun Zhang, Liang Zheng, Koushik Sen, Ion Stoica
- COLM 2025
- Readers: Everyone
Type-Constrained Code Generation with Language Models
Niels Mündler, Jingxuan He, Hao Wang, Koushik Sen, Dawn Song, Martin Vechev
- DL4C @ ICLR 2025
- Readers: Everyone
Type-Constrained Code Generation with Language Models
Niels Mündler, Jingxuan He, Hao Wang, Koushik Sen, Dawn Song, Martin Vechev
- ICLR 2025 Workshop VerifAI Poster
- Readers: Everyone
Tasks, Challenges, and Paths Towards AI for Software Engineering
Alex Gu, Naman Jain, Wen-Ding Li, Manish Shetty, Yijia Shao, Ziyang Li, Diyi Yang, Koushik Sen, Kevin Ellis, Armando Solar-Lezama
- ICLR 2025 Workshop VerifAI Poster
- Readers: Everyone

View all 17 publications

Co-Authors

View all 60 co-authors