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Last active May 25, 2026 17:56
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Free AI Token Counter for GPT, Claude, Gemini & LLM Models
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best-ai-token-counter-tools.md

Best Free AI Token Counter Tool

If you are working with AI models like GPT-4, Claude, Gemini, or LLaMA, counting tokens accurately is extremely important for API cost estimation and prompt optimization.

Features

  • GPT token counter
  • Claude token calculator
  • Gemini token estimation
  • Real-time token counting
  • Prompt length checker
  • AI API cost estimation

Why Use This Tool?

This free online token counter helps developers, prompt engineers, and AI content creators estimate token usage before sending prompts to large language models.

Website: https://llmtokencounter.online/

Supported Models

  • OpenAI GPT-4
  • GPT-4o
  • Claude AI
  • Gemini AI
  • LLaMA
  • Mistral

Useful For

  • AI developers
  • SaaS builders
  • Prompt engineers
  • AI chatbot creators
  • API cost optimization

Try the free tool now: https://llmtokencounter.online/

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