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Token Calculator

Accurately calculate text token count, supporting GPT-4, Claude, Gemini tokenizers

Calculator Interface

Interactive calculator will be available soon

Features

  • ✓ Supports OpenAI GPT-4o, GPT-4, GPT-3.5-turbo full series
  • ✓ Supports Anthropic Claude 3.5 Sonnet, Claude 3 Opus, Claude 3 Haiku
  • ✓ Supports Google Gemini Pro, Gemini Ultra and other models
  • ✓ Real-time display of token count, character count, word count
  • ✓ Supports mixed Chinese-English text calculation

How to Use

  1. Select target AI model
  2. Paste or input text content
  3. View token count statistics
  4. Copy results or export report

FAQ

What is a Token?

A token is the basic unit of text processing for AI models. A token can be a word, a character, or a subword. For example, the English word 'hello' is usually 1 token, while Chinese characters are typically 1-2 tokens.

Why do different models calculate tokens differently?

Different AI vendors use different Tokenizer algorithms. OpenAI uses tiktoken, Anthropic uses its own Tokenizer, and Google uses SentencePiece. This causes the same text to have different token counts across models.

What is the relationship between token count and cost?

AI APIs typically charge by token count. Input tokens and output tokens may have different prices. More tokens mean higher API call costs.

Is this calculator accurate?

Over 99% accuracy. We use official Tokenizer libraries from each vendor, results match official APIs.

Does it support batch calculation?

Yes. You can upload TXT files for batch calculation, or use API interface.