AI Token Counter & Multi-Model Cost Calculator

Count exact tokens and calculate real-time API request costs for OpenAI (GPT-4o, GPT-4o-mini), Anthropic (Claude 3.5 Sonnet), and Google (Gemini 1.5).

100% Client-Side Privacy: All calculations, text transformations, and file operations run locally in your browser. No files or personal inputs are uploaded to external servers.
Drop file to count tokens (.txt, .md, .py, .js, .json, .csv)
Estimated Tokens
118
Words
81
Characters
497
Lines
10
+0 tokens
500 tokens
50 (One liner) 500 (Summary) 2,000 (Article) 8k (Long Code)
50% - 90% Off Input

Models supporting KV prompt caching (Claude 3.5, GPT-4o, DeepSeek) apply massive discounts when prompts exceed cache thresholds (typically 1,024+ tokens).

1 Request
Total Input Tokens
118
Prompt + System Overhead
Expected Output
500
Estimated completion length
Cheapest Provider
$0.00016
Gemini 1.5 Flash
Flagship Benchmark (GPT-4o)
$0.00530
Input: $2.50/M | Out: $10/M

Multi-Model Real-Time API Cost Matrix

Pricing per million tokens based on current official API rates. Ranked from lowest to highest total query cost.

Model & Provider Input Rate / 1M Output Rate / 1M Input Cost Output Cost Total Cost vs GPT-4o
* Rates verified against OpenAI, Anthropic, Google Cloud, and DeepSeek official API documentation. 1 Token ≈ 4 characters / 0.75 English words

Informational & Educational Disclaimer

This tool is designed for informational and educational estimation purposes only. Calculations are based on user-provided inputs and standard mathematical formulas. For official tax, legal, or financial decisions, please consult certified professionals or official government publications.