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About this paper

Minsuk Kahng, Ian Tenney, Mahima Pushkarna, Michael Xieyang Liu, James Wexler, Emily Reif, Krystal Kallarackal, Minsuk Chang and 2 more

LLM Comparator is a visual analytics tool developed by Google Research for interpreting automatic side-by-side evaluations of large language models. It provides an interactive environment to transform aggregate performance scores into actionable insights, helping practitioners understand when, why, and how models differ at scale.

Key insights

  • An iterative, user-centric design process, informed by extensive feedback from over 20 LLM practitioners at Google, was crucial for developing a practical and effective evaluation tool.
  • The system bridges the interpretability gap by providing coordinated views that allow users to seamlessly transition between high-level evaluation summaries (e.g., rationale clusters) and detailed individual examples.
  • The work demonstrates an innovative approach by using LLMs *within* the visual analytics framework itself (for summarization and clustering), leveraging generative AI to enhance the interpretability and scalability of evaluation data.

Summary by alphaXiv.

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