オフライン大規模言語モデル評価の不十分さ:モデルの挙動におけるパーソナライゼーションを考慮する必要性
Angelina Wang1, Daniel E Ho2, Sanmi Koyejo2
1Cornell Tech, New York, NY, USA.
Patterns (New York, N.Y.)
|December 31, 2025
Abstract:
Standard offline evaluations for language models fail to capture how these models actually behave in practice, where personalization fundamentally alters model behavior. In this work, we provide empirical evidence showcasing this phenomenon by comparing offline evaluations to field evaluations conducted by having 800 real users of ChatGPT and Gemini pose benchmark and other questions to their chat interfaces.
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