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PromptCost

PromptCost

See your AI prompt's price tag before you hit send

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Paste a prompt and see exactly what it costs — across 24 models including GPT-5, Claude, and Gemini — before you spend a cent. Everything runs in your browser: nothing gets sent anywhere, no signup, no surprise on the bill.

PromptCost makers

Here are the founders, developers, designers and product people who worked on PromptCost