AI Token Counter: Count GPT, Claude and Gemini Tokens

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How to Count AI Tokens in 3 Steps

Paste or Upload Text

Paste your prompt, article, or code into the box, or upload a .txt / .md file.

Choose an AI Model

Select GPT, Claude, or Gemini so the count matches that model’s tokenizer style.

Get Tokens & Cost

Click Calculate to see token count, context usage, and an optional input cost estimate.

Stop Guessing How Many AI Tokens Your Text Uses

An AI Token Counter shows how models split your text into tokens before processing it. Paste a prompt, document, or code snippet to check its token count, avoid unexpected context limit errors, and estimate potential API costs before sending your request. It also helps you remove unnecessary content and create clearer, more efficient prompts.

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Estimate API Cost with the AI Token Counter

Unexpected API charges often come from sending long prompts without knowing how many input tokens they contain. Turn on “Estimate input cost” to calculate an approximate cost based on the selected AI model and its public input token pricing before making an API call. This makes it easier to compare models, control your budget, and reduce unnecessary token spending.

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Check Token Count Against the Model Context Window

Long prompts, documents, and conversation histories can exceed an AI model’s context window, causing errors, missing information, or incomplete responses. Check how many tokens your text uses and how much context space remains before submitting it. You can then shorten oversized content or split it into smaller sections before it reaches the model limit.

Check Context Usage

Compare AI Token Counts Across Different Models

The same prompt may produce different token counts in GPT, Claude, and Gemini because each model uses a different tokenizer. Compare token usage side by side to choose a suitable model, optimize long prompts, and plan API usage with greater confidence. This helps you find the model that offers the right balance between context capacity, token usage, and estimated cost.

Compare Token Counts

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What Users Say About Our Token Counter

Developers, writers, and teams use it to plan prompts and control AI costs.

"I paste every long prompt here before hitting the API. Seeing context % and cost in one place saves me from failed calls."

Alex Rivera

Backend Engineer

"Simple and fast. I upload draft docs as .md and instantly know whether they’ll fit in Claude’s context."

Maya Chen

Technical Writer

"Great for comparing GPT vs Gemini token usage on the same text. Helps our team pick the right model for a job."

Jordan Lee

Product Manager

Frequently Asked Questions About Token Counter

What is a token in AI models?

A token is a chunk of text the model processes—often a word, part of a word, or punctuation. Token counts are usually higher than word counts, especially for code or non-English text.

Which models does this token counter support?

Is the cost estimate exact?

Is my text uploaded to a server?

What file types can I upload?

Free AI Token Counter