OpenAI API Pricing Calculator

Simplify OpenAI ChatGPT API Pricing with Our Calculator

GPT-3.5-turbo 4K


Prompt: $0.0015

Output: $0.002

GPT-3.5-turbo 16K

Prompt: $0.003

Output: $0.004

GPT-4 8K

Prompt: $0.03

Output: $0.06

GPT-4 32K

Prompt: $0.06

Output: $0.12



Prompt: $0.0004

Output: $0.0004


Prompt: $0.0005

Output: $0.0005


Prompt: $0.002

Output: $0.002



Prompt: $0.02

Output: $0.02

What is OpenAI API?

OpenAI API is a powerful tool provided by OpenAI, a leading artificial intelligence research organization. The API allows developers and businesses to integrate OpenAI's state-of-the-art language models into their applications, products, or services. By leveraging the OpenAI API, developers can access cutting-edge natural language processing capabilities, enabling them to generate human-like text, perform language translation, simulate conversations, answer questions, and much more.

How OpenAI Calculates the Pricing?

To understand how OpenAI calculates pricing for the API, it's important to grasp the concept of tokens. Tokens are the basic units that make up the text input or output in OpenAI's language models. A token can represent a single character, a word, or even a part of a word.

When using the OpenAI API, both the input prompt and the output response are measured in tokens. The total number of tokens used impacts the cost of the API usage. Each API call consumes tokens, and the number of tokens used depends on the length of the input and output.

For example, if an API call uses 10 tokens in the input prompt and generates 20 tokens in the output response, the total token count would be 30.

OpenAI API Pricing Calculator

Table of Language Models with Price and Tokens

Below is an updated table showcasing different language models offered by OpenAI, along with their respective pricing per 1,000 tokens for both the prompt and the output:

Language Model Prompt Price per 1k Tokens (USD) Output Price per 1k Tokens (USD)
GPT-3.5-turbo 4K $0.0015 $0.002
GPT-3.5-turbo 16K $0.003 $0.004
GPT-4 8K $0.03 $0.06
GPT-4 32K $0.06 $0.12
Ada $0.0004 $0.0004
Babbage $0.0005 $0.0005
Curie $0.002 $0.002
Davinci $0.02 $0.02

How to Use the Calculator?

To use the OpenAI API Pricing Calculator on the dbcalculator website, follow these steps:

  1. Enter the following details into the respective input fields:
    • Number of prompt words: The length of the text used as the input prompt.
    • Number of words per answer: The desired length of the generated response.
    • Base language model: Select one of the available language models from the provided options, such as GPT-3.5-turbo 4K or GPT-4 8K.
  2. Click the "Calculate" button.
  3. The calculator will estimate the cost of using the OpenAI API based on the input parameters provided.

What is a Prompt Length?

The length of the prompt is the number of words or characters used in the language model's initial input. The prompt provides the model with the context or guidance it needs to produce a pertinent and well-organized response. The longer the prompt, the more specific instructions or data can be provided to direct the output of the model. But it's important to keep in mind that longer prompts can use up more tokens, which would affect the price of using the API.

What are the Number of Words per Answer?

The "Number of Words per Answer" represents the desired length or word count for the generated response or answer from the language model. It allows you to specify the expected length of the output you want from the API. Setting a higher number of words per answer will result in more extended and detailed responses. However, it's crucial to be mindful of the token limits and the associated costs, as longer answers may require more tokens and potentially increase the pricing.

By utilizing the OpenAI API Pricing Calculator, you can estimate the cost of the API usage based on the prompt length, number of words per answer, and the selected language model. This helps developers and businesses plan and budget their OpenAI API integration effectively.


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