How much fits in an AI model's memory?

Every model has a context window: the most text it can read at once. Drop in a novel, a contract or your own text and see it fill the window.

Will it fit? Context window simulator

Each square is about one page (500 words). Colored squares are your content; grey squares are free space in the model's context window.

Your content

Total: about 120,000 tokens (≈ 90,226 words). Token counts are estimates.

Models

Zoom (square size): 6pxZoom out to see a whole million-token window at once.

1,048,576 tokens ≈ 1,577 pages

Fits: uses 11% of the window (room for 8× this much).

1,000,000 tokens ≈ 1,504 pages

Fits: uses 12% of the window (room for 8× this much).

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