Judging LLM-as-a-Judge with MT-Bench and Chatbot Arena

Zheng et al., 2023, Judging LLM-as-a-Judge with MT-Bench and Chatbot Arena (Advances in Neural Information Processing Systems 36 (NeurIPS 2023), Datasets and Benchmarks Track)

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3.1 Types of LLM-as-a-Judge

  1. What three forms of LLM-as-a-judge do Zheng et al. propose, with their trade-offs?
    Pairwise comparison (which of two answers is better, or a tie): sensitive but scales quadratically with the number of models. Single-answer grading (a score for one answer): scalable but may miss subtle differences and drift if the judge changes. Reference-guided grading: a reference solution is supplied, e.g. for math.

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