Altura disables LLM-as-a-judge evaluators after inconsistent scoring

The author explains how to validate an LLM-as-a-judge system by comparing its outputs against human expert labels on a sample of traces using metrics like agreement and Cohen's kappa. The practical guide demonstrates that generic scoring prompts fail reliably, whereas binary judges tuned with explicit rules, gray-area guidelines, and few-shot examples can achieve substantial agreement with domain experts. Open article →