AI Token Calculator
Estimate token count and cost for GPT-4, Claude, and more. Paste your text to get a fast browser-side planning estimate.
Token Pricing Reference (per 1M tokens)
Data snapshot: 2026-04. Check provider pricing pages before making production cost decisions.
| Model | Input | Output | Context |
|---|---|---|---|
| GPT-4o | $2.50 | $10.00 | 128K |
| GPT-4o-mini | $0.15 | $0.60 | 128K |
| GPT-4 Turbo | $10.00 | $30.00 | 128K |
| GPT-3.5 Turbo | $0.50 | $1.50 | 16K |
| Claude Opus 4 | $15.00 | $75.00 | 200K |
| Claude Sonnet 4 | $3.00 | $15.00 | 200K |
| Claude Haiku 3.5 | $0.80 | $4.00 | 200K |
Tool guide
About AI Token Calculator
Estimate token count and cost for OpenAI GPT-4, GPT-3.5, Claude, and more. It is designed for quick everyday work, lightweight validation, and one-off conversions without creating an account.
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Frequently asked questions
Is AI Token Calculator free to use?
Yes. AI Token Calculator is free to use in your browser with no signup required.
Is my data uploaded when I use AI Token Calculator?
Most FreeTools utilities process data locally in your browser. Tools that call third-party services, such as IP lookup and advertising, are disclosed in the privacy policy.
What can I use AI Token Calculator for?
Estimate token count and cost for OpenAI GPT-4, GPT-3.5, Claude, and more.