Glossary

Tokens

The chunks LLMs break text into. One token is roughly 3/4 of an English word. Your costs and context limits are both measured in tokens.

Also calledtokentokenization

Where you meet this in practice

Foundation of AI opens one full lesson to anyone. No account, no card, the whole lesson.

Read the free lesson

About this glossary

Plain-English definitions of the AI and AI agent terms that turn up in vendor pitches, product decisions and team conversations.