---
title: "Sean Welleck — papers of 2025 — 3 papers, the most cited first"
description: "Sean Welleck — papers of 2025: 3 papers on Elamur Research, the most cited first — what each work is about in our own words."
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# Sean Welleck — papers of 2025 — 3 papers, the most cited first

3 papers · [all years of Sean Welleck](https://md.research.elamur.ai/free/en/authors/sean-welleck/#years)

- [L1: Controlling How Long A Reasoning Model Thinks With Reinforcement Learning arXiv:2503.04697](https://md.research.elamur.ai/free/en/papers/aggarwal-2025-l1-controlling-long-reasoning-model/) — Pranjal Aggarwal, Sean Welleck · 2025 · 125 citations

**[Evaluating Language Models as Synthetic Data Generators](https://md.research.elamur.ai/free/en/papers/kim-2025-evaluating-language-models-as-synthetic/) [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/)**Seungone Kim, Juyoung Suk, Xiang Yue, et al.*2025 · 32 citations*

**[Rewarding the Unlikely: Lifting GRPO Beyond Distribution Sharpening](https://md.research.elamur.ai/free/en/papers/he-2025-rewarding-unlikely-lifting-grpo-beyond/) [Conference on Empirical Methods in Natural Language Processing (EMNLP)](https://md.research.elamur.ai/free/en/venues/emnlp/)**Andre Wang He, Daniel Fried, Sean Welleck*2025 · 15 citations*