AI Token Calculator & Cost Estimator
The most accurate way to count tokens and estimate API costs for GPT-4o, Claude 3.5, Gemini 1.5, and 20+ other LLM models.
Token Statistics
Quick Cost Preview
Why use TokenCalc.org?
Privacy First
All calculations happen locally in your browser. Your prompts and data never leave your device.
Ultra Fast
Powered by WebAssembly for near-instant tokenization across 20+ different LLM architectures.
Budget Planning
Estimate monthly and yearly costs including batch processing and prompt caching discounts.
Understanding LLM Tokens & Pricing
Large Language Models (LLMs) don't process text word-by-word. Instead, they break down text into smaller units called tokens. Depending on the model's tokenizer, a token can be a single character, a sub-word, or a full word.
Multi-Model Support
Support for OpenAI (GPT-4o, o1), Anthropic (Claude 3.5 Sonnet), Google (Gemini 1.5), DeepSeek, and more.
Prompt Caching
Automatically calculate savings from prompt caching features available in modern APIs.