Token Calculator
Free online token calculator for GPT-4, Claude, Gemini. Count tokens instantly with real-time results and multi-language support. No signup, local browser processing for complete privacy.
Estimated Cost
Note: Token counts are estimates based on character heuristics. Actual counts may vary by 10-20%. For precise counts, use the official tokenizer for each model.
How to Use Token Calculator
- 1Paste your text or prompt into the input box
- 2Select the AI model (GPT-4, Claude, Gemini, etc.) from the dropdown
- 3View the token count, character count, word count, and estimated API cost in real-time
- 4Adjust your text as needed and copy the final version for your API call
Frequently Asked Questions
Which AI models are supported?
GPT-4, Claude, Gemini, Llama, and most major LLMs. The calculator uses model-specific tokenizers for accurate counts across different AI platforms.
How accurate is the token count?
Very accurate - we use the same tokenization algorithms as the official APIs. Results closely match what OpenAI and Anthropic report for the same text input.
Does the token calculator work with Chinese and other languages?
Yes, full multi-language support is built in. Chinese, Japanese, Korean, and other CJK languages are tokenized correctly along with English and European languages.
Is Token Calculator free, and do I need to sign up or upload my files?
Token Calculator is 100% free to use with no signup, no registration, and no usage limits. All processing happens locally in your browser - your files and data never leave your device, so no upload is required and your privacy is fully protected.