OmniBench-RAG: A Multi-Domain Evaluation Platform for Retrieval-Augmented Generation Tools

• URL: http://arxiv.org/abs/2508.05650v1
• Date: Sat, 26 Jul 2025 03:29:15 GMT
• Title: OmniBench-RAG: A Multi-Domain Evaluation Platform for Retrieval-Augmented Generation Tools
• Abstract summary: We introduce OmniBench RAG, an automated platform for evaluation of RAG systems.<n>The platform quantifies performance gains across accuracy and efficiency dimensions, spanning nine knowledge fields.<n>Our evaluation reveals striking variability in RAG effectiveness, from significant gains in culture to declines in mathematics.
• Score: 0.11704154007740833
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: While Retrieval Augmented Generation (RAG) is now widely adopted to enhance LLMs, evaluating its true performance benefits in a reproducible and interpretable way remains a major hurdle. Existing methods often fall short: they lack domain coverage, employ coarse metrics that miss sub document precision, and fail to capture computational trade offs. Most critically, they provide no standardized framework for comparing RAG effectiveness across different models and domains. We introduce OmniBench RAG, a novel automated platform for multi domain evaluation of RAG systems. The platform quantifies performance gains across accuracy and efficiency dimensions, spanning nine knowledge fields including culture, geography, and health. We introduce two standardized metrics: Improvements (accuracy gains) and Transformation (efficiency differences between pre RAG and post RAG models), enabling reproducible comparisons across models and tasks. The platform features dynamic test generation, modular evaluation pipelines, and automated knowledge base construction. Our evaluation reveals striking variability in RAG effectiveness, from significant gains in culture to declines in mathematics, highlighting the critical importance of systematic, domain aware assessment. A demonstration video is available at: https://www.youtube.com/watch?v=BZx83QFcTCI. Code and datasets: https://github.com/Garnett-Liang/Omnibench-RAG.

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