ChatGPT API - How To Use It?


ChatGPT API is based on gpt-3.5-turbo model (Image credit: OpenAI)

With the big help from AI, conversational AI has rapidly changed the way businesses interact with customers. It is clear to see that the need for more advanced chatbots and virtual assistants is skyrocketing. And to meet this demand, the developers and businesses need more powerful tools that enable them to quickly and efficiently build and deploy conversational interfaces. That is the outstanding reason why ChatGPT API came.

ChatGPT API is which helps many applications improve their chatbot to effectively communicate with customers. It understands and generates human-like responses using natural language processing (NLP), making it ideal for constructing chatbots, virtual assistants, and other conversational applications.

In this article, we will go to a detailed description of this helpful API on ChatGPT. And readers will also know how to access ChatGPT API in order to easily power their styles of talking or chatting with others through advanced chatbots. First of all, let’s take a look at the description of ChatGPT API.

A Detailed Explanation Of ChatGPT API

ChatGPT has been incorporated into many apps and services since its spectacular launch in November 2022, including Snapchat, Duolingo, Shopify, and others. ChatGPT's application programming interface (ChatGPT API) enables these connections. So what is ChatGPT API?

ChatGPT API is a programming interface created by OpenAI, and please keep in mind that the ChatGPT API is a catch-all term for OpenAI APIs that use GPT-based models to build chatbots. It enables developers to include the ChatGPT language paradigm into their applications. The API allows you to give natural language text input to the ChatGPT model and receive model answers.


ChatGPT API Key (Source: OpenAI)

Developers can utilize the ChatGPT API to create intelligent conversational interfaces for a variety of applications, including chatbots, virtual assistants, customer care systems, and others. These apps can enhance the user experience by harnessing the capability of the ChatGPT paradigm.

In fact, thanks to the ChatGPT API, developers can create many conversational tools by combining their applications with ChatGPT. After accessing this API from Open AI, you are able to build chatbots, improve the customer services of your business, do language translation, and many other tasks can easily be completed. Currently, there are some typical companies which have early accessed ChatGPT API and run their experimental features on their apps, including Quizlet, Instacart, Shop, Snapchat, and Speak. Whenever you use these apps, you will easily see the convenience from ChatGPT also available.

How To Use ChatGPT API?

Before coming to the use of ChatGPT API, we will go through step by step to request an API from OpenAI.

How To Access The ChatGPT API?

In order to access the ChatGPT API, the very first thing you need is an account of ChatGPT to ask for the ChatGPT API key from OpenAI.

Sign up for a ChatGPT account

Sign up for a ChatGPT account (Source: OpenAI)

Your ChatGPT API login will be authenticated and authorized using this key. You can begin sending API requests to the ChatGPT API endpoint once you've been authorized. An API request is often made up of a text prompt to which the ChatGPT model should answer. The ChatGPT API delivers the text prompt to the language model for processing when it gets your request. Based on the input and its internal grasp of language patterns and structures, the model provides a response. At the time the model responds, it sends it to the ChatGPT API, which delivers it to your application.

And in the event of existing errors, the ChatGPT API delivers an appropriate error code and message, allowing you to address the error and repair it. Remember to carefully read ChatGPT API documentation when you request an API, you will not want to miss anything important.

The Use Of ChatGPT API

The ChatGPT API is primarily designed for chat, but it also works well for text completion jobs. The GPT-3.5-turbo and GPT-4 variants are more powerful and less expensive than the earlier GPT-3 models. However, as of this writing, you cannot fine-tune the GPT-3.5 models. You can only fine-tune the GPT-3 base models, which are davinci, curie, ada, and cabbage.

Besides, ChatGPT API has abilities to help users in various industries such as: customer services, content generation, entity extraction, and natural language interfaces.

How much does ChatGPT API cost?

So, is ChatGPT API free? In fact, Open AI provides a free trial period during which users can generate a limited amount of characters for free. 

And ChatGPT API is also available in paid version that means developers will be charged to take advantage of ChatGPT API. And for each type of API, there will be different ChatGPT API pricing.

Text-davinci-003, OpenAI's most powerful API, costs $0.02 per 1,000 tokens. One token represents a text sequence, and 1,000 tokens equal approximately 750 words.

And the great news is that the gpt-3.5-turbo model is designed for dialogue and is ten times less expensive ($0.002 per 1,000 tokens) than the text-davinci-003 model. Because of the cost savings, developers on a tight budget can easily integrate the API into their apps. It's reason enough to investigate ChatGPT's capabilities!

GPT-3.5-turbo pricing

GPT-3.5-turbo pricing (Source: OpenAI)

A special API on GPT-4

GPT-4 does have an API, as well, and the API available on ChatGPT Plus is known as GPT-4 API. The current version available is gpt-4-0314. It is the most advanced Chat GPT iteration, introduced in March 2023. And users can only access this generation by upgrading their accounts to ChatGPT Plus. Therefore, if you would like to explore the powerful capabilities of GPT-4, you should invest more for your account. 

Because of its expanded capabilities, GPT-4 has received a lot of attention. For example, the GPT-3.5 and GPT-3 language models can occasionally produce nonsensical results or false positives. The GPT-3 model, in example, occasionally generates content that appears to be human-generated text but is actually disinformation.

The GPT-4 language model has larger general knowledge and can solve more difficult issues more accurately. It can also respond considerably faster and handle more stuff.

Unfortunately, the GPT-4 API is presently in limited beta, and public use is not permitted. Therefore, you should join the waitlist to enjoy this latest model.

GPT-4 API Waitlist

GPT-4 API Waitlist (Source: OpenAI)

Following are steps to become one of the earliest users to have chances to use GPT - 4 API:

  • Step 1: Search and go to the website:
  • Step 2: Enter all of the required information. Make careful you correctly answer all questions indicated with an asterisk. 
  • Step 3: Describe how you want to use GPT-4 and any specific development plans you have. Then, at the bottom of the page, press the "Join Waitlist" button.
  • Step 4: Your request for GPT-4 API access has been received by OpenAI. You simply wait for permission.

In terms of price for GPT-4 API, like other versions, users must buy tokens to run this API. ChatGPT API pricing for context lengths of 8K begins at $0.03 every 1000 "prompts" tokens, or around 750 words. The sampled tokens are marginally more expensive, at $0.06 for 1000 tokens.

Similarly, price for context durations of 32K begins at $0.06 per 1000 prompt tokens, with sampled tokens costing $0.12 every 1000 tokens.

GPT-4 Pricing

GPT-4 Pricing (Source: OpenAI)

In conclusion, the Chat GPT API from Open AI is a great tool for developing conversational AI. Because of its capacity to understand and provide human-like responses, it is ideal for developing chatbots, virtual assistants, and other conversational applications. Obtaining an API key is simple; once you have one, you can begin utilizing Chat GPT to produce replies to text input. While the API cost varies depending on consumption which will be suitable for the incomes of each user, there are many resources accessible online to assist you get started building your own AI apps.

Along with ChatGPT API, OpenAI has been trying to develop more helpful tools which combine with ChatGPT in order to optimize users’ working processes. Users now also have the ability to access ChatGPT Plugins - the combination of ChatGPT and many other apps. Thanks to those plugins, you will experience many more amazing and useful things right within the ChatGPT interface instead of logging in other apps. So, don’t wait anymore. You should enjoy the efficiency of AI as soon as possible. It will be a new era to advance your work with the assistance of them.