Ethan Leung, Elias Lumer, Corey Feld, Austin Huber, Vamse Kumar Subbiah, and Kevin Paul authored a paper titled "Do You Need a Frontier Model as a Citation Verifier? Benchmarking Rubric LLMs for Deep-Research Source Attribution," submitted to arXiv on July 9, 2026. The paper benchmarks rubric-based language models for citation verification in deep research, questioning whether frontier-scale models are necessary for accurate source attribution tasks.
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