Token Counter — Free & Secure | werkzeuge
Count LLM tokens, compare models and estimate costs — 100% in the browser, nothing is transmitted.
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100% in your browser — nothing leaves your device.
Count LLM tokens, compare models and estimate costs — 100% in the browser, your text never leaves your device.
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Characters
Words
| Model | Provider | Tokens | Accuracy | Cost (Input) |
|---|---|---|---|---|
| Exact Approximate |
/1M input ·
/1M output
|
Token Boundaries
Visualization based on o200k_base tokenization.
Context window — does my document fit?
Compares your input tokens against each model's maximum context window.
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Tokens
Cost Comparison
Token counts and costs are exact only for OpenAI models (native tokenizer). All other values are estimates.
Prices & context windows — as of:
AI-Agenten
Create AI agents that automate your business processes — from research to document generation.