activity
20222026
most citedExploring the Benefits of Training Expert Language Models over Instruction Tuning

20 citations · 106 across the 35 of their papers we have counts for

collaborators

37 papers

cs.AI2026

Efficient Test-Time Adaptation through Human-AI Interaction

Zora Zhiruo Wang, Apurva Gandhi, Rulin Shao +22

AI agents are trained on population-scale data to encode broad capabilities spanning those of many practitioners. Yet the artifacts they produce rarely meet the personal bar profes…

cs.CL2026

SPADE: Self-Play in Adaptive Synthetic Executable Environments

Bo Liu, Simon Yu, Yiding Jiang +15

Continuous self-improvement requires an ever-expanding pool of self-generated, diverse, adaptive goals. For language agents, existing training environment pools (hand-curated, stat…

cs.AI2026

LLM-as-a-Tutor: Policy-Aware Prompt Adaptation for Non-Verifiable RL

Yujin Kim, Namgyu Ho, Sangmin Hwang +7

Reinforcement learning (RL) for non-verifiable instruction following increasingly relies on LLM judges with prompt-specific rubrics as reward signals. While recent methods adapt th…

cs.CL2026

Evolution Fine-Tuning: Learning to Discover Across 371 Optimization Tasks

Young-Jun Lee, Seungone Kim, Minki Kang +5

Would experience designing faster GPU kernels also help close in on a long-standing open mathematical conjecture? Large Language Models (LLMs) integrated into evolutionary search h…

cs.CL2025★ 1 cited

RefineBench: Evaluating Refinement Capability of Language Models via Checklists

Young-Jun Lee, Seungone Kim, Byung-Kwan Lee +6

Can language models (LMs) self-refine their own responses? This question is increasingly relevant as a wide range of real-world user interactions involve refinement requests. Howev…

cs.CV2025

VideoJudge: Bootstrapping Enables Scalable Supervision of MLLM-as-a-Judge for Video Understanding

Abdul Waheed, Zhen Wu, Dareen Alharthi +2

Precisely evaluating video understanding models remains challenging: commonly used metrics such as BLEU, ROUGE, and BERTScore fail to capture the fineness of human judgment, while…

cs.CL2025★ 1 cited

OptimalThinkingBench: Evaluating Over and Underthinking in LLMs

Pranjal Aggarwal, Seungone Kim, Jack Lanchantin +4

Thinking LLMs solve complex tasks at the expense of increased compute and overthinking on simpler problems, while non-thinking LLMs are faster and cheaper but underthink on harder…

cs.AI2025★ 1 cited

Does Math Reasoning Improve General LLM Capabilities? Understanding Transferability of LLM Reasoning

Maggie Huan, Yuetai Li, Tuney Zheng +6

Math reasoning has become the poster child of progress in large language models (LLMs), with new models rapidly surpassing human-level performance on benchmarks like MATH and AIME.…

cs.AI2025

FREESON: Retriever-Free Retrieval-Augmented Reasoning via Corpus-Traversing MCTS

Chaeeun Kim, Seungone Kim

Large Reasoning Models (LRMs) have demonstrated remarkable capabilities in multi-step reasoning and calling search engines at appropriate steps. However, existing retrieval-augment…

cs.CL2025

The CoT Encyclopedia: Analyzing, Predicting, and Controlling how a Reasoning Model will Think

Seongyun Lee, Seungone Kim, Minju Seo +9

Long chain-of-thought (CoT) is an essential ingredient in effective usage of modern large language models, but our understanding of the reasoning strategies underlying these capabi…

cs.CL2025

Latent Reasoning via Sentence Embedding Prediction

Hyeonbin Hwang, Byeongguk Jeon, Seungone Kim +7

Autoregressive language models (LMs) generate one token at a time, yet human reasoning operates over higher-level abstractions - sentences, propositions, and concepts. This contras…

cs.CL2025

Web-Shepherd: Advancing PRMs for Reinforcing Web Agents

Hyungjoo Chae, Sunghwan Kim, Junhee Cho +18

Web navigation is a unique domain that can automate many repetitive real-life tasks and is challenging as it requires long-horizon sequential decision making beyond typical multimo…

cs.AI2025

Reasoning Models Better Express Their Confidence

Dongkeun Yoon, Seungone Kim, Sohee Yang +6

Despite their strengths, large language models (LLMs) often fail to communicate their confidence accurately, making it difficult to assess when they might be wrong and limiting the…

cs.CL2025

M-Prometheus: A Suite of Open Multilingual LLM Judges

José Pombal, Dongkeun Yoon, Patrick Fernandes +5

The use of language models for automatically evaluating long-form text (LLM-as-a-judge) is becoming increasingly common, yet most LLM judges are optimized exclusively for English,…

cs.CL2024

LLM-as-an-Interviewer: Beyond Static Testing Through Dynamic LLM Evaluation

Eunsu Kim, Juyoung Suk, Seungone Kim +3

We introduce LLM-as-an-Interviewer, a novel paradigm for evaluating large language models (LLMs). This approach leverages multi-turn interactions where the LLM interviewer actively…

cs.CL2024★ 3 cited

Evaluating Language Models as Synthetic Data Generators

Seungone Kim, Juyoung Suk, Xiang Yue +7

Given the increasing use of synthetic data in language model (LM) post-training, an LM's ability to generate high-quality data has become nearly as crucial as its ability to solve…

cs.CL2024★ 2 cited

MM-Eval: A Multilingual Meta-Evaluation Benchmark for LLM-as-a-Judge and Reward Models

Guijin Son, Dongkeun Yoon, Juyoung Suk +7

As Large Language Models (LLMs) are now capable of producing fluent and coherent content in languages other than English, it is not imperative to precisely evaluate these non-Engli…

cs.CL2024★ 2 cited

Pangea: A Fully Open Multilingual Multimodal LLM for 39 Languages

Xiang Yue, Yueqi Song, Akari Asai +7

Despite recent advances in multimodal large language models (MLLMs), their development has predominantly focused on English- and western-centric datasets and tasks, leaving most of…

cs.CL2024★ 1 cited

Better Instruction-Following Through Minimum Bayes Risk

Ian Wu, Patrick Fernandes, Amanda Bertsch +3

General-purpose LLM judges capable of human-level evaluation provide not only a scalable and accurate way of evaluating instruction-following LLMs but also new avenues for supervis…

cs.CL2024

Can Language Models Evaluate Human Written Text? Case Study on Korean Student Writing for Education

Seungyoon Kim, Seungone Kim

Large language model (LLM)-based evaluation pipelines have demonstrated their capability to robustly evaluate machine-generated text. Extending this methodology to assess human-wri…

cs.CL2024★ 13 cited

Consent in Crisis: The Rapid Decline of the AI Data Commons

Shayne Longpre, Robert Mahari, Ariel Lee +46

General-purpose artificial intelligence (AI) systems are built on massive swathes of public web data, assembled into corpora such as C4, RefinedWeb, and Dolma. To our knowledge, we…

cs.CL2024

The BiGGen Bench: A Principled Benchmark for Fine-grained Evaluation of Language Models with Language Models

Seungone Kim, Juyoung Suk, Ji Yong Cho +29

As language models (LMs) become capable of handling a wide range of tasks, their evaluation is becoming as challenging as their development. Most generation benchmarks currently as…

cs.CL2024★ 4 cited

Aligning to Thousands of Preferences via System Message Generalization

Seongyun Lee, Sue Hyun Park, Seungone Kim +1

Although humans inherently have diverse values, current large language model (LLM) alignment methods often assume that aligning LLMs with the general public's preferences is optima…

cs.CL2024★ 7 cited

Prometheus 2: An Open Source Language Model Specialized in Evaluating Other Language Models

Seungone Kim, Juyoung Suk, Shayne Longpre +7

Proprietary LMs such as GPT-4 are often employed to assess the quality of responses from various LMs. However, concerns including transparency, controllability, and affordability s…