Question 1

How are ChatGPT tokens counted?

Accepted Answer

ChatGPT uses the cl100k_base tokenizer. Roughly, 1 token ≈ 4 characters in English or ≈ 0.75 words. This tool provides an estimate that is approximately 90% accurate.

Question 2

Why do token counts matter?

Accepted Answer

OpenAI charges based on token usage. Knowing your token count helps you estimate costs and stay within model context limits (e.g., 128K for GPT-4).

ChatGPT Token Counter

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