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Token Context Window Calculator

See what % of a model context window your prompt uses by character count.

Estimates only — not professional financial, medical, legal or engineering advice. Read full disclaimer.

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Result

Fill in the form and click Calculate to see your result here.

How it's calculated

See what % of a model context window your prompt uses by character count.

About this calculator

See what % of a model context window your prompt uses by character count.

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