When Models Read Too Much: Context Windows, Capacity, and the Illusion of Infinite Attention
Opening — Why this matters now Long-context models have become the quiet arms race of the LLM ecosystem. Every few months, someone announces another context window milestone—128k, 1M, or “effectively unlimited.” The implication is obvious and seductive: if a model can read everything, it must understand everything. The paper behind this article is less impressed. It asks a colder question: what actually happens inside a model as context grows, and whether more tokens translate into more usable intelligence—or just more noise politely attended to. ...