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Token Calculator

Estimate the number of tokens in your text for GPT and other language models.

Enter text to count tokens
Result
0
Estimated Tokens
0
Words
0
Characters
Estimated Cost
GPT-4o$0.000
GPT-4$0.000
Claude Sonnet 4$0.000
Gemini 1.5 Pro$0.000
Gemini Flash$0.000

Overview

Estimate token counts and cost for AI usage.

Best for

  • Budget API usage before running jobs.
  • Compare models by context limits.
  • Estimate budget for a new prompt.

Step-by-step

  1. Paste your text.
  2. Choose a model or tokenizer.
  3. Review tokens and estimated cost.

Examples

Example 1
Input
Hello world
Output
Tokens: 2
Short text uses few tokens.
Example 2
Input
Long prompt...
Output
Tokens: 350 | Est. cost: $0.01
Shows a cost estimate.
Example 3
Input
Prompt: short paragraph
Output
Tokens: ~45
Estimates, not exact counts.

Common mistakes

  • Different models tokenize differently.
  • Counts are estimates, not billing totals.
  • Tokenization differs by model.

Pro tips

  • Keep prompts concise to reduce cost.
  • Include output tokens in your budget.

FAQ

Is this the same as API billing?
No, it's an estimate and may differ from final billing.
Does this upload my data?
No. Everything runs locally in your browser.
Can I use it offline?
Yes. After the page loads, most tools work offline. Some assets (like fonts) may need a connection.

Data & privacy

All processing happens locally in your browser. No data is uploaded or stored.