OpenAI API Pricing Calculator (ChatGPT-3.5 & GPT-4 Included)


Overview of OpenAI API Pricing Calculator

With our powerful calculator, you can now estimate the cost of leveraging the full potential of OpenAI’s language models for your unique needs.

Whether you are an individual developer, a start-up, or a large enterprise, this user-friendly tool will help you make informed decisions and unlock new horizons for your projects.

Let’s dive in and discover how this calculator can assist you in harnessing the power of OpenAI API.

OpenAI API Pricing Calculator

How to Use the OpenAI API Pricing Calculator

Using our pricing calculator is a breeze. Just follow these simple steps to get started:

  1. Enter the number of words you want to generate: Begin by specifying the desired word count for your text generation task.
  2. Select the base language model: Choose the language model that suits your requirements from the dropdown menu. The available options are:
    • ChatGPT ($0.002/1k tokens)
    • GPT-4 8K ($0.06/1k tokens)
    • GPT-4 32K ($0.12/1k tokens)
  3. Adjust the prompt length: You have the flexibility to set the prompt length based on your needs. The default value is 100, but you can modify it to align with your specific requirements.
  4. Click the “Calculate Price” button: After entering the necessary details, simply click the button to obtain an estimated cost for generating the specified number of words.

In this video, I’ve explained the details calculating process to check openAI API and chatGPT pricing.

By considering the cost per token for each language model and the number of tokens required, our calculator provides an accurate estimate. However, it’s important to note that the actual cost may vary depending on factors such as text complexity and the pricing plans offered by OpenAI.

Estimating the Cost of OpenAI API Usage: A Step-by-Step Guide

The OpenAI API provides a powerful platform for generating human-like text, but it’s essential to understand the potential costs associated with its usage. In this guide, we’ll walk through the step-by-step calculations involved in estimating the price of utilizing the OpenAI API. Please note that the calculations provided here are based on the information available on the official OpenAI website and are subject to change.

Calculate Tokens per Word

OpenAI charges based on the number of tokens processed rather than the actual word count. To determine the relationship between tokens and words, we can consider that approximately 1000 tokens correspond to 750 words. Thus, the tokens per word ratio is calculated as follows:

tokensPerWord = 1000 tokens / 750 words

Calculate Total Tokens

To generate a specified number of words using the OpenAI API, we need to calculate the total number of tokens required. This can be done by multiplying the desired word count by the tokens per word ratio determined in Step 1:

tokens = words * tokensPerWord

Calculate Prompt Tokens

In addition to the tokens used for generating the desired output, we also need to consider the tokens consumed by the prompt. The prompt is the initial input provided to the API to guide the text generation process. Multiply the prompt length by the tokens per word ratio to determine the number of tokens used in the prompt:

promptTokens = promptLength * tokensPerWord

Determine the Price per Token

The price per token varies depending on the selected language model. OpenAI offers different pricing tiers for models like ChatGPT, GPT-4 8K, and GPT-4 32K. Assign the appropriate price per token for the chosen model:

  • ChatGPT: pricePerToken = 0.002 / 1000 tokens
  • GPT-4 8K: pricePerToken = 0.06 / 1000 tokens
  • GPT-4 32K: pricePerToken = 0.12 / 1000 tokens

Calculate the Total Price

To estimate the cost of using the OpenAI API, we need to consider both the tokens required for generating the desired output and the tokens used in the prompt. The total price can be calculated by multiplying the sum of these tokens by the price per token:

totalPrice = (tokens + promptTokens) * pricePerToken

Display the Estimated Cost

Finally, we can present the estimated price for generating the specified number of words using the OpenAI API. For example, the output may look like:

Estimated price to generate X words: $totalPrice

Please note that the actual cost may vary based on factors such as the complexity of the text and specific pricing plans offered by OpenAI. It’s always a good practice to refer to the official OpenAI documentation or contact their support for the most accurate and up-to-date pricing information.

Understanding OpenAI Tokens, Executions, Prompts, and Billing

OpenAI has revolutionized the field of artificial intelligence by providing developers and users with powerful language models like ChatGPT. However, to make the most of OpenAI’s services, it’s important to understand key concepts such as OpenAI tokens, executions, prompts, and billing. In this blog post, we’ll explore each of these concepts in detail, helping you navigate the OpenAI ecosystem more effectively.

OpenAI Tokens

OpenAI tokens are the fundamental units of account for interacting with OpenAI’s language models. In simple terms, a token can be thought of as a word or a character. Tokens allow OpenAI to measure and bill for the usage of their services accurately. Each API call to OpenAI consumes a certain number of tokens, and you are billed accordingly.

To give you an idea of token consumption, here are some examples:

TextNumber of Tokens
“Hello, how are you?”6
“What is the capital of France?”7
“Translate ‘Hello’ into French.”8
“Generate a poem about nature.”6

You can track your token usage through the OpenAI dashboard, which provides insights into your usage and helps you manage costs effectively.

OpenAI Executions

An OpenAI execution refers to the process of making an API call to OpenAI, which involves sending a prompt and receiving a response. In an execution, both the prompt you provide and the response generated by OpenAI contribute to the token count for billing purposes. It’s important to keep track of the total number of tokens in both the prompt and the response to manage your usage and costs.

For example, consider the following prompt and response:

Prompt: “Write a tagline for an ice cream shop.” (6 tokens)
Response: “We serve up smiles with every scoop!” (6 tokens)

In this case, the total token count for the execution would be 12 tokens.

OpenAI Prompts

An OpenAI prompt refers to the instructions or question you provide to OpenAI to generate a response. When constructing a prompt, it’s crucial to frame it in natural language to obtain the desired output. The prompt should be clear and specific, enabling the model to understand your requirements accurately.

To make the most of prompts, consider the following best practices:

  • Use complete sentences: Construct your prompts using grammatically correct and coherent sentences. This helps the model understand the context better.
  • Be specific: Clearly state what you expect from the model in your prompt. The more specific your instructions are, the more likely you’ll receive the desired output.
  • Ask for multiple alternatives: If you’re unsure about the best solution or want to explore various possibilities, you can ask the model to generate multiple responses.

Using these guidelines, you can harness the power of OpenAI models effectively and obtain high-quality results.

OpenAI Billing

OpenAI provides flexible billing options and tools to help you monitor and control your usage and costs. It’s important to keep track of your API usage to avoid any unexpected charges. Here are some key aspects of OpenAI billing:

Billing Limit

OpenAI allows you to set a billing limit, which acts as a safety net to control your costs. By setting a limit, you can ensure that you don’t exceed your budget for OpenAI API usage. The billing limit gives you peace of mind and helps prevent any unwelcome surprises in your billing statement.

Monitoring API Usage

To monitor your OpenAI API usage and associated costs, you can leverage the OpenAI dashboard’s usage section. It provides detailed insights into your token consumption, execution history, and usage trends. By regularly reviewing this information, you can stay informed about your usage patterns and make informed decisions regarding your API usage.

Setting a Spending Limit

In addition to the billing limit, OpenAI allows you to set a spending limit through the dashboard’s billing section. This feature ensures that your OpenAI API usage remains within a specified budget. If your usage approaches the spending limit, OpenAI will send you alerts and notifications, giving you the opportunity to adjust your usage accordingly.

By actively monitoring your OpenAI API usage and leveraging the available billing features, you can stay in control of your expenses and optimize your usage of OpenAI’s powerful language models.

12 Facts & Statistics of OpenAI

Here are some interesting statistics and facts about OpenAI:

  • OpenAI is one of the most funded machine-learning startup firms in the world, with funding of over 1 billion U.S. dollars as of January 2023.
  • OpenAI’s ChatGPT system consumed a whopping 300 billion words.
  • OpenAI runs the 5th most powerful computer.
  • 99.99% of OpenAI traffic is organic, meaning most people who check on it are unpaid.
  • OpenAI’s image-creating automation DALL-E has 3 million users and generates around 4 million images daily.
  • OpenAI is accessible in 156 countries.
  • As of January 5, 2023, the OpenAI website was visited 302 million times every month.
  • OpenAI’s user base heavily skews towards the younger generation.
  • OpenAI is valued at $20 billion as of 2022.
  • OpenAI’s official website,, had 304 million total visits in December 2022.
  • OpenAI’s GPT-3 language model can generate human-like text.
  • OpenAI has been working with several other companies, such as Unity and Microsoft, to develop AI-based tools and platforms that developers and researchers can use to create new AI-based applications.

These statistics and facts demonstrate the significant impact that OpenAI has had on the field of artificial intelligence, as well as its growing popularity and influence.


The OpenAI API Pricing Calculator is a valuable tool for anyone looking to utilize the power of language models in their projects. By providing a simple and efficient way to estimate costs, this calculator empowers developers, start-ups, and enterprises to make informed decisions about leveraging OpenAI’s cutting-edge API services.

So go ahead, explore the possibilities, and embrace the limitless potential of OpenAI’s language models!

Start using the OpenAI API Pricing Calculator.

About the author

Meet Alauddin Aladin, an AI enthusiast with over 4 years of experience in the world of AI Prompt Engineering. He embarked on his AI journey in 2019, starting with the impressive GPT-2 model. Since December 2022, he has dedicated himself full-time to researching and unraveling the possibilities of AI Prompt, particularly the groundbreaking GPT models.

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