activity
20242026
collaborators

13 papers

cs.CL2026

Who Pays More for Safety? Measuring the Disparate Cost of Safety Alignment across Languages

Chanwoong Yoon, Jungsoo Park, Alan Ritter

Safety alignment helps models adhere to human values, but it often reduces response utility. We ask a critical but understudied question: Does safety alignment impose the cost equa…

cs.CL2026

AgentMercury: Your Agent Can Synthesize Verifiable Environments for Business Scenarios at scale

Minbyul Jeong, Chanwoong Yoon

Agents learn to act through interaction with environments, yet the environments used for training are often manually constructed or synthesized around predefined tasks and benchmar…

cs.CL2026

Solar Open 2 Technical Report

Sungrae Park, Sanghoon Kim, Gyoungjin Gim +50

We present Solar Open 2, a 250B-A15B Mixture-of-Experts language model built for long-horizon agentic tasks, scaled up from Solar Open 1 (Solar Open 100B). To hold entire agent tra…

cs.CL2025

The Curious Case of Analogies: Investigating Analogical Reasoning in Large Language Models

Taewhoo Lee, Minju Song, Chanwoong Yoon +2

Analogical reasoning is at the core of human cognition, serving as an important foundation for a variety of intellectual activities. While prior work has shown that LLMs can repres…

cs.CL2025

Assessing LLM Reasoning Steps via Principal Knowledge Grounding

Hyeon Hwang, Yewon Cho, Chanwoong Yoon +5

Step-by-step reasoning has become a standard approach for large language models (LLMs) to tackle complex tasks. While this paradigm has proven effective, it raises a fundamental qu…

cs.CL2025

Rationale-Guided Retrieval Augmented Generation for Medical Question Answering

Jiwoong Sohn, Yein Park, Chanwoong Yoon +5

Large language models (LLM) hold significant potential for applications in biomedicine, but they struggle with hallucinations and outdated knowledge. While retrieval-augmented gene…