AZAlexey Zabegininalexey-zabegin.hashnode.dev·8h ago · 3 min readWhen Should JEV Judge an LLM Response? A Practical Routing RuleEvaluating LLM output at scale creates a familiar trade-off: a strong reasoning judge can catch difficult mistakes, but calling it for every response adds cost and latency. A recent study of JEV-as-a-00