Token Estimator
Principiante
Paste any prompt or document and get a quick token estimate — so you can budget context window and cost before you hit the API. All client-side; nothing leaves your browser.
Token estimate200K window
11palabras
68caracteres
~15–17tokens estimados
≈ <1% of a 200K-token context window
Solo una idea aproximada (~caracteres ÷ 4, o palabras × 1,33). El recuento de tokens depende del modelo: nunca uses el tokenizador de otro modelo. Para cifras exactas, usa el endpoint de recuento de tokens de Anthropic.
Why tokens matter
Context limits and pricing are both measured in tokens (≈ ¾ of a word). Trimming what you send cuts both cost and latency. Deep dive in Tokens, Context & Pricing.
Next
- Tokens, Context & Pricing — how it's counted
- API Cost Calculator — turn tokens into dollars
- Token Economy — cut token cost like a power user