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
11parole
72caratteri
~15–18token stimati
≈ <1% of a 200K-token context window
Solo un'idea approssimativa (~caratteri ÷ 4, oppure parole × 1.33). Il conteggio dei token è specifico per ogni modello — non usare mai il tokenizer di un altro modello. Per numeri esatti usa l'endpoint di conteggio token di 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