Claude Token Counter & Calculator: Free Claude Tokenizer Online
Anthropic Claude token counter and tokenizer tool. Approximate token counting for Claude models using advanced estimation.
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π€ Hugging Face Community Tokenizer
- Local processing - No API calls required
- Community tokenizers - Maintained by the open source community
- Token breakdown - Full tokenization details available
- Hub model: Xenova/claude-tokenizer
- First load may take time to download the tokenizer
Tokenizer Types:
- OpenAI models - Native js-tiktoken (most accurate)
- π€ models - Hugging Face community tokenizers (very good approximation)
- β οΈ models - GPT-4 tokenizer estimation
- Community tokenizers are reverse-engineered but quite accurate
- All tokenizers now run locally in your browser!
Optimization Tips for Anthropic Claude
β’ Token Efficiency: Use precise, concise prompts to minimize token usage and costs.
β’ Model Selection: Choose the right Anthropic model for your specific use case and budget.
β’ Batch Processing: Combine multiple requests when possible to reduce API overhead.
β’ Context Management: Monitor conversation length to stay within model limits.
β’ Cost Planning: Use this counter to estimate costs before implementing in production.