# context window

CEFR C1 · Noun

Source: https://englishreference.com/word/context-window
Updated: 2026-09-18

## Definition

How much text an AI can look at and remember at once when answering.

For teachers: The maximum span of tokens an AI model can attend to within a single interaction, bounding its working memory.

## Examples

- The latest model has a much larger context window.
- A larger context window allows the model to process longer documents.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.