Voting and deliberation among multiple LLM judges do not significantly improve group accuracy as panel size increases.
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Among multi-judge protocols, weighted voting produces the highest accuracy for human supervisors (45.8% to 65.3%, p=.028), whereas for LLMs none of them significantly improves group accuracy, even as the number of judges increases.
Abstract; voting and deliberation panels of 3 or 7 LLM judges.
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