About

AI Token Calculator is a free tool for counting tokens and estimating real AI API costs across GPT, Claude, Gemini, DeepSeek, Mistral, Grok and Llama. It runs entirely in your browser, so your prompts are never uploaded, and every price links to an official source with a verification date.

The goal is simple: the fastest, most trustworthy way to answer “how many tokens is this, and what will it cost?” See our methodology for exactly how the numbers are produced.