Does the Judge Prefer English? Evaluating Language-Switching Invariance in LLM-as-a-Judge

arXiv:2606.14278v1 Announce Type: new Abstract: Large language models (LLMs) are now widely used as automatic judges for open-ended instruction-following evaluation. This practice is convenient, scalable, and often more semantically aware than reference-based metrics, but it also introduces a new reliability question: does a judge evaluate the quality of an answer, or does it also react to the language in which the comparison is presented? We propose Judge-LS, a lightweight meta-evaluation protocol that transforms LLMBar response-pair items into English, Chinese, and Chinese-English language-s

Source: arXiv cs.CL — read the full report at the original publisher.

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