Data as of Jul 25, 2026 · Based on 2,718,867 AI responses across 9,511 prompts · See how Parse measures this
umBRELA is an open-source tool that reproduces the Bing RELevance Assessor for query-passage relevance labeling. It uses large language models to assign four-level relevance judgments and supports multiple judge backends for information retrieval evaluation workflows.
Parse Score