NLP & ML3 min read
RAG research
BM25 beats agentic RAG when corpora pass 10 million tokens
Agentic search wins on small corpora, but a muset-ai study across 28 nested tiers shows BM25 overtaking it near 10 million tokens. The agent burns 39x more query tokens, and graph RAG stalls in construction.
2026-08-07