AI for QA / Quiz
Tokens, Costs, and the Running Meter
What a token really is, how prompts turn into API bills, and why pasting a whole DOM into a chat is a spending decision.
- Difficulty
- Easy
- Format
- Quiz
- Points
- 100
- Estimate
- 7 min
// MISSION BRIEF
Your Mission
Every AI-assisted workflow has a meter running: tokens in, tokens out, money gone. This quiz covers how text becomes tokens, what you are actually billed for, and the habits that keep an AI-in-QA pipeline from quietly burning budget.
// FIRST CONTACT
Battle teaser
In typical English text, one token corresponds to roughly:
- AExactly one word, always
- BOne sentence
- CThree-quarters of a word on average; common words are one token, rare words split into pieces
- DOne character
Answers, scoring, hints, and the full battle stay sealed.
// SKILL TAGS
llm-fundamentalstokenizationcostai-for-qa