How Ultra-Large Context Windows Challenge RAG
TL;DR for operators Ultra-large context windows are not a ceremonial funeral for retrieval-augmented generation. They are a price renegotiation. If your task is to analyse a bounded, self-contained document set — a contract bundle, diligence folder, policy manual, code repository, or technical appendix — a long-context model may now be the cleaner first option. The main benefit is not that it “knows more”. It is that it can inspect more of the original evidence without depending on a retriever to guess which passages matter. ...