context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.
eval — A repeatable test for AI quality — a set of tasks plus scoring — used the way software teams use test suites, because model output is too variable to judge by eyeballing.
knowledge cutoff — The date after which a model saw no training data — everything later has to reach it through search, tools, or the context window.
Why it matters
Two concrete long-context windowThe maximum amount of text a model can consider at once — its working memory for the current conversation or task.Full definition → recall techniques, quote extraction before answering and cross-section few-shot examples, plus a repeatable recipe for generating your own evalA repeatable test for AI quality — a set of tasks plus scoring — used the way software teams use test suites, because model output is too variable to judge by eyeballing.Full definition → set from a document published after the knowledge cutoffThe date after which a model saw no training data — everything later has to reach it through search, tools, or the context window.Full definition →.