Jul 2026
BM25 Wins at Scale: A Scaling Study of Retrieval-Augmented Generation Paradigms
Overall, corpus growth increasingly favors global candidate ranking: lexical retrieval is the strongest scalable default, while agentic reasoning works best after ranked discovery rather than in place of it.
Pengyu Wang, Benfeng Xu, Shaohan Wang et al.
· arXiv.org · 1 citation