Seeing Through the MiRAGE: Evaluating Multimodal Retrieval Augmented Generation

• URL: http://arxiv.org/abs/2510.24870v1
• Date: Tue, 28 Oct 2025 18:21:19 GMT
• Title: Seeing Through the MiRAGE: Evaluating Multimodal Retrieval Augmented Generation
• Authors: Alexander Martin, William Walden, Reno Kriz, Dengjia Zhang, Kate Sanders, Eugene Yang, Chihsheng Jin, Benjamin Van Durme,
• Abstract summary: We introduce MiRAGE, an evaluation framework for retrieval-augmented generation (RAG) from multimodal sources.<n>MiRAGE is a claim-centric approach to multimodal RAG evaluation, consisting of InfoF1, evaluating factuality and information coverage, and CiteF1, measuring citation support and completeness.
• Score: 75.66731090275645
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: We introduce MiRAGE, an evaluation framework for retrieval-augmented generation (RAG) from multimodal sources. As audiovisual media becomes a prevalent source of information online, it is essential for RAG systems to integrate information from these sources into generation. However, existing evaluations for RAG are text-centric, limiting their applicability to multimodal, reasoning intensive settings because they don't verify information against sources. MiRAGE is a claim-centric approach to multimodal RAG evaluation, consisting of InfoF1, evaluating factuality and information coverage, and CiteF1, measuring citation support and completeness. We show that MiRAGE, when applied by humans, strongly aligns with extrinsic quality judgments. We additionally introduce automatic variants of MiRAGE and three prominent TextRAG metrics -- ACLE, ARGUE, and RAGAS -- demonstrating the limitations of text-centric work and laying the groundwork for automatic evaluation. We release open-source implementations and outline how to assess multimodal RAG.

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