Token Counter — Free & Secure | werkzeuge
Count LLM tokens, compare models and estimate costs — 100% in the browser, nothing is transmitted.
Count LLM tokens, compare models and estimate costs — 100% in the browser, your text never leaves your device.
100% in your browser — nothing leaves your device.| 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.
Cost Comparison
Token counts and costs are exact only for OpenAI models (native tokenizer). All other values are estimates.
Prices & context windows — as of:
Quantum entanglement links two particles so that measuring one instantly determines the state of the other — regardless of distance.
Source: Aspect, A. et al., Physical Review Letters, 1982
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