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GPT Token Calculator
Estimate the number of tokens and cost for any text in GPT-4o and GPT-4o Mini.
Input Values
chars
11000100000
Results
Chars per Token
4.0
Tokens per Request
500 tokens
Estimated token count for your text
Monthly Tokens
500,000 tokens
Total tokens consumed per month
GPT-4o Input Price
2.50
GPT-4o Mini Input Price
0.15
Cost with GPT-4o
$1.2500
Monthly cost using GPT-4o
Cost with GPT-4o Mini
$0.0750
Monthly cost using GPT-4o Mini
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Tokens are the basic unit of text that OpenAI models process. This calculator helps you estimate token count from character count and calculate the exact API cost for your text.
Useful for developers building prompts, writers estimating API costs, and businesses planning AI budgets.
How Token Counting Works
- Enter your text size - Characters or estimate from word count
- Select language - Token density varies by language
- Choose token type - Input vs output have different pricing
- See costs - Compare GPT-4o vs GPT-4o Mini
Token Estimation Rules
- English: ~4 characters per token
- Russian/Cyrillic: ~2 characters per token
- Chinese/Japanese: ~1.5 characters per token
- Code: ~3 characters per token
Quick estimate: 1,000 words โ 1,333 tokens (English)
Pro Tips
- โข English text is most token-efficient (~4 chars/token)
- โข Russian text uses 2x more tokens than English for same content
- โข Output tokens cost 4x more than input in GPT-4o
- โข Use GPT-4o Mini for 95% cost reduction on simple tasks