OpenAI API Credit Balance to Words Calculator

OpenAI API Credits to Words Calculator

This calculator is a companion to our Content Remixing and Distribution Tool and Business SEO Writing Tool.

Since fully benefiting from these tools requires purchasing a minimum of $5 of OpenAI API credits (also referred to as tokens), you can use this calculator to get an idea of how many input and output words $5 or more will buy when using the GPT-4o mini or the GPT-4o model.

Open the calculator in a new window

Here is an explanation of the calculator’s fields.

Select GPT Model

Select either GPT-4o mini or GPT-4o. Here is an article that details the differences between the models.

Select Your Credit Balance

OpenAI offers a ‘pay as you go’ model. Once you set up an OpenAI account, you can purchase between $5 and $93 worth of credits at a time.

OpenAI API Billing Screen

Select an Output-to-Input Ratio

After running several prompts through one of the tools referenced above, you will get an idea of the ratio of output words to words.

For example, using the Content Remixing and Distribution tool for a LinkedIn post for the blog post you’re currently reading resulted in a 4:1 ratio.

Example OpenAI API Output Words to Input Words

Your selection can be an average of what you find.


Based on your entries and selections, this OpenAI calculator will calculate the blended number of words your credits will purchase.

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