CohereAnalysisDevelopersOctober 1, 2026

Cohere introduces RCP-nDCG@10 retrieval metric

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Cohere's Rubric-Calibrated Preferences nDCG@10 grades each retrieved document against the same explicit relevance criteria per query using a calibrated AI judge, addressing incomplete relevance labels in nDCG. It is the metric Cohere optimized its next generation search models against, validated against human judgment.

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