Token Counter

Estimate token count for LLM prompts. Uses a character-level approximation (~4 chars/token for English). Results are approximate — actual tokenization varies by model.

Text / Prompt

Results

Enter text and click Count

What is Token Counter?

Count LLM tokens for OpenAI, Anthropic, and other models. Estimate API costs before sending requests.

FAQ

Why count tokens?: LLM APIs charge per token. Counting tokens before sending helps avoid unexpected costs and stay within context limits.
Which models are supported?: GPT-4, GPT-4o, GPT-3.5-turbo, Claude 3, Claude 2, Llama, and other major models with accurate tokenization.

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