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Count tokens for GPT-4, Claude, Gemini, and other AI models. Estimate API costs and check if your text fits within context limits. Free and private.
Estimate tokens, word count, and cost for common LLMs with a fast, privacy-first calculator.
Estimated for GPT-5
$1.25/1M tokens
400,000 token limit
Know how much an API call will cost before you send it. Avoid unexpected bills by checking token counts upfront.
Each model has a context window. Check if your text fits before making a request and avoid truncation errors.
Shorter prompts cost less and leave more room for responses. Find the right balance between context and output.
Your text stays in your browser. Nothing is sent to any server. Count tokens for sensitive content safely.
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