How Many Tokens Is 100 Words?
100 words is approximately 133 tokens, using the standard conversion of 1 token per 0.75 English words.
The answer
133
tokens
How the conversion works
The standard rule of thumb is 1 token equals approximately 0.75 English words, or equivalently, 1 word equals about 1.33 tokens. This ratio comes from the way tokenizers split text — common words become single tokens, while longer or rarer words get broken into multiple tokens.
Input
100 words
Conversion rate
1 word = ~1.33 tokens
Result
133 tokens
What does 100 words cost to process?
The cost depends on which AI model you use. Here is the price to process100 words (133 tokens) as input across every major model:
| Model | Cost (input) | Cost (output) |
|---|---|---|
| GPT-5.6 Sol | $0.0007 | $0.0040 |
| GPT-5.5 Pro | $0.0040 | $0.02 |
| Claude Fable 5 | $0.0013 | $0.0067 |
| GPT-5.6 Terra | $0.0003 | $0.0020 |
| GPT-5.5 | $0.0007 | $0.0040 |
| Claude Opus 4.8 | $0.0007 | $0.0033 |
| Claude Sonnet 5 | $0.0003 | $0.0013 |
| Gemini 3.1 Pro | $0.0003 | $0.0016 |
| Gemini 3.5 Flash | $0.0002 | $0.0012 |
| GPT-5.6 Luna | $0.0001 | $0.0008 |
| Claude Haiku 4.5 | $0.0001 | $0.0007 |
| Gemini 3 Flash | $0.0001 | $0.0004 |
From $0.00 (Gemini 3 Flash) to $0.00 (GPT-5.5 Pro) for the same 100 words. Prices updated 2026-07-28.
For context
133 tokens is 0% of a million-token context window. Most frontier models (GPT-5.6, Claude Opus 4.8, Gemini 3.1 Pro) support 1M+ tokens, so 100 words fits easily within a single API call.