Why more context makes your AI answers worse

Article automatically generated from technical news.

Your model says it has a one-million-token context window. Its real working memory is a lot smaller than that. On long-context benchmarks, models start failing well below the number printed on the box. And here's the part nobody warns you about: past a certain point, adding more context makes your answers worse. Not better. Worse. Prefer to watch? Full walkthrough with the attention-cost animation: A