Skip to content
The AI Stairway™ withOpen Study College logo

AI glossary

Token

Also called tokens.

A token is a small chunk of text that an AI model reads and writes, often a word or part of a word. Models build every answer one token at a time, and AI providers count usage limits, speed and prices in tokens. Different tools split the same text into tokens differently.

Think of it as

Building bricks: it builds every answer one brick at a time.

Why it matters at work

Limits and costs are counted in tokens, and tokens explain some odd slips, such as AI miscounting the letters in a word.