Four calculators and choosers that run entirely in your browser. Nothing you type is uploaded, stored or sent anywhere — you can check by opening this page with your network disconnected.
Work out what an AI model actually costs per month from your token usage, and compare the major models side by side.
Free toolPaste any text to estimate how many tokens it uses, and see what that text would cost to send to each major model.
Free toolCompare a flat monthly chat subscription against the equivalent API usage and find the break-even point where one overtakes the other.
Free toolFour quick questions about your task, budget and experience, and we point you at the category of tool that fits — plus the guides that explain it.
Three of these tools depend on published API prices, which change often. We keep a single maintained table of those prices, last verified on 20 July 2026, and every tool reads from it. You can see the whole table and its sources on the model pricing page.