How To Build a Chat GPT 3 AI Chatbot on WhatsApp

Imagine having a virtual assistant that can understand and respond to any natural language query with human-like fluency and accuracy; that’s exactly what OpenAI GPT 3, or ChatGPT, can do for you! 


What if you can have a chatbot on your mobile by integrating ChatGPT’s powerful language understanding and generation capabilities with the world’s most popular messaging platform, WhatsApp? 


Wouldn’t that be amazing? Buckle up because that’s what we’ll talk about in this article.

What is chat GPT 3

What is GPT 3?

GPT 3 (Generative Pre-trained Transformer 3) is a state-of-the-art language generation model developed by OpenAI. It is trained on a massive dataset of text and can generate human-like text, making it useful for a wide range of natural language processing tasks such as

  • Language Translation
  • Text Summarization
  • Question Answering and 
  • Text Generation. 

GPT 3 is built on the transformer architecture and uses deep learning techniques to generate highly fluent and coherent text. It has 175 billion parameters, which is significantly more than its predecessor GPT-2 (1.5 billion parameters) and other models on the market. 


Due to its high performance and ability to generate highly human-like text, GPT-3 is considered a breakthrough in language generation and has been widely used in various applications, such as chatbots, content creation, and language translation.


Okay,  that’s a lot of technical jargon. But why do people rave about ChatGPT? Well, that’s because it has a lot to offer.

Benefits of OpenAI GPT 3

Human-like text generation:

GPT-3 can generate highly fluent and coherent text, making it difficult to distinguish it from text written by a human.

Wide range of applications:

GPT-3 can be used for a wide range of natural language processing tasks, such as language translation, text summarization, question answering, and text generation.

Improved performance:

GPT-3’s large number of parameters (175 billion) allows it to achieve state-of-the-art performance on a wide range of natural language processing tasks.


 GPT-3 can be fine-tuned for specific use cases, such as customer service, content creation, and language translation, which allows for better performance and more accurate results.

Easy to use:

GPT-3 can be easily integrated with various software and platforms and does not require technical expertise, making it accessible to any business.


 GPT-3 can be easily scaled up or down to match the changing needs of the business.


GPT-3 eliminates the need for expensive development resources, leading to significant cost savings.

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Improved customer engagement:

GPT-3 can be used to generate highly personalized text, which can help increase customer engagement, loyalty, and retention.

Available 24/7:

GPT-3 can work 24/7, providing customer service, answering frequently asked questions, and helping at any time of the day.

Benefits of Chat GPT 3

By integrating GPT-3’s advanced language generation capabilities with WhatsApp’s messaging platform, you can create a highly advanced and sophisticated chatbot capable of providing instant and accurate responses to your queries. 


But let’s be honest; the first 2 approaches can look quite technical for some of you.

Integrating OpenAI GPT 3 with WhatsApp

The Technical Approach

Daniel Gross, a US-based entrepreneur and the co-founder of Cue, which was acquired by Apple, has integrated GPT-3.5, the technology behind ChatGPT, into a WhatsApp-based AI assistant. 


This integration allows the bot to communicate with users naturally and conversationally as if it were a friend on their contact list.  He named this integration WhatsApp-GPT, and the code is available on GitHub for others to access.


Here’s his tweet with more information.

But what if you aren’t into coding and don’t want to get into anything technical? Well, there’s another approach for you. Introducing…

The Not-So-Technical Approach

On Twitter, tech influencer Varun Mayya also shared a similar development. He announced the launch of “God In a Box,” an integration of GPT-3.5 directly into WhatsApp. 

Mayya stated that their implementation uses the latest model API and does not require credentials, and it will be launching soon, but users will need a beta key to access it.


So,all you have to do is

  • Signup using your WhatsApp number.
  • Send a verification message to the number mentioned and
  • Wait for a confirmation message to get started

Wasn’t that easy?


With God In A Box, you can send 40 messages a month for free. The only restriction at the moment is that you can only send one message every 10 seconds. They are yet to roll out a plan where you can send more messages, but 🤞.

You might be wondering if there’s a way businesses can leverage the WhatsApp – GPT chatbot integration. There seems to be a workaround too.

Integrating WhatsApp Business API with GPT Chatbot

Sign up for WhatsApp Business API

You first need to find a WhatsApp Business Solution Provider (BSP) like WATI. 


Note: It is possible for companies to apply for access to the WhatsApp Business API on their own; however, it is recommended to go through Business Service Providers (BSPs) as they have the necessary expertise and experience to ensure a seamless approval process. Moreover, BSPs have been vetted and authorized by WhatsApp, which guarantees the professionalism and trustworthiness of their services.


You can read more about signing up for a WhatsApp Business API here

Get OpenAI API Key for Integration

Sign up for an OpenAI account. Go to the API key page to get a secret key. You’ll have to build your integration with your WhatsApp Business API account using the secret key.

This sounds quite technical, and you also run the risk of getting blocked by WhatsApp if they find your integration not genuine. 


So what can you do in this case? The logical option at this point in time is to build your own chatbot on your WhatsApp Business Service Provider’s platform.

Building WhatsApp Chatbot

Building a WhatsApp Chatbot with your BSP is the ideal solution when ChatGPT is in its early days. Apart from the usual benefits of WhatsApp chatbots, like


  • Automating customer service tasks
  • Providing customer service and support 24/7
  • Handling a large volume of customer interactions


You also get access to various other features to scale your business.


Businesses who sign up for a WhatsApp API account get access to


  1. Shared Team Inbox, which makes it easier for collaboration within teams.
  2. Broadcast and bulk messages to set up targeted marketed campaigns and to send personalized messages.
  3. Custom notifications to send personalized notifications based on custom events
  4. Native integrations to connect with their favourite tools or CRM software within a few clicks.
  5. And, of course, access to a no-code WhatsApp chatbot to handle sales and support queries.

ChatGPT has made a huge impact since its introduction and has quickly amassed over a million users in a short period of time. But Building a WhatsApp chatbot on a Business Service Provider’s platform comes with many benefits, as explained above and helps businesses get started quickly. 


If you’re interested and want to know more about how WATI’s WhatsApp chatbot can help your business, join our daily group demo and get your doubts and questions answered by our WATI experts.

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