Author

Hoyeol Yang

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#artificial intelligence Preprint Sep 2026

AgentHabit: Characterizing Distinct Behaviors of Agents on Everyday Tasks

Large language model (LLM) agents assist users with everyday tasks that can be completed in many reasonable ways. Even when their answers are useful, how agents carry out these tasks may not match users'preferences and needs. For example, agents differ in whether they ask clarifying questions or search the web. We intr...

Woojung Song, Hoyeol Yang, Jeonghoon Shim et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Agents'Overreliance on Unreliable Tools

LLM agents use tools to access information and perform computations beyond their parametric knowledge. Existing tool-use benchmarks evaluate whether agents select and call the right tools, assuming that tool returns are reliable. However, tools can return plausible but incorrect outputs. We evaluate 14 models with thre...

Hoyeol Yang, Woojung Song, Taewon Kim et al. · 0 citations