Detailed Definition
A token is a fraction of a word (roughly 4 characters of English text) that LLMs use to digest and generate text. Models break words into tokens to recognize semantic relationships.
Glossary HubAI Writing
What is Token?
The basic unit of text segment processed by an AI language model.
1 min read•Updated 2026-06-08
Interactive Text Formatter & Case Converter
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Note: Unicode formatting (Bold / Italic) works separately from Case Converter tools. For best results, apply case conversion first, then use Unicode formatting.
Practical Example
Code/Output blockThe word "TechMind" gets split into tokens: "Tech" + "Mind".
Why It Matters
Tokens define AI computation costs and limits. LLMs have context limits measured in tokens, and APIs charge customers based on token usage volume.
Common Use Cases
1
Calculating processing costs when designing AI-powered products
2
Optimizing prompts to fit within model context windows
3
Estimating document chunk sizes before indexing them in database searches
Frequently Asked Questions
A standard page of single-spaced text (500 words) is approximately 650 to 700 tokens.
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