Introduction to Token Counter: Your Essential AI Development Tool

Token Counter is a powerful, free tool designed to help developers and AI enthusiasts accurately count tokens for various AI models. Whether you're working with GPT-3.5, GPT-4, Claude, or the latest models, Token Counter provides precise token counting to help you optimize your AI applications.

Why Token Counting Matters

Token counting is crucial for several reasons:

1. **Cost Optimization**: AI models charge based on token usage. Accurate counting helps you estimate costs before making API calls.
2. **Budget Planning**: Understanding token consumption helps you plan your project budget effectively.
3. **Performance Monitoring**: Tracking token usage helps you optimize your prompts and reduce unnecessary costs.
4. **Model Comparison**: Compare token counts across different models to choose the most cost-effective option.

Key Features

• **Multi-Model Support**: Supports GPT-3.5, GPT-4, GPT-4.1, GPT-4.5, GPT-5, O1, O3, O4, and Claude models
• **Real-Time Calculation**: Get instant token counts as you type
• **Cost Estimation**: See estimated costs for input and output tokens
• **Privacy-First**: All processing happens locally in your browser
• **Multi-Language Support**: Available in 13 languages
• **Light & Dark Mode**: Comfortable viewing in any environment

Getting Started

Using Token Counter is simple:

1. Select your AI model from the dropdown
2. Enter or paste your text
3. Click "Calculate Tokens" to see the results
4. View token count, character count, word count, and estimated costs

Start optimizing your AI development workflow today with Token Counter!