How to Create a Custom GPT with ChatGPT

How to Create a Custom GPT with ChatGPT

OpenAI’s Custom Generative Pre-Trained Transformer (Custom GPT) allows users to create custom chatbots to help with various tasks.

From assisting customer inquiries to automating content creation and generating website leads, custom ChatGPT models help streamline online workflows for individuals and businesses.

In this guide, we will explain how to set up your own custom chatbot in the GPT builder. We will also share some use case examples for custom GPTs, as well as their best practices.

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How to Create a Custom GPT with OpenAI

To create a chatbot with ChatGPT, follow these steps:

  1. Sign up for a ChatGPT account. A ChatGPT Plus subscription is required to create a custom GPT.
ChatGPT login page
  1. Once logged in, expand the sidebar and click Explore.
ChatGPT sidebar open with Explore button highlighted
  1. Under My GPTs, select Create a GPT.
Closeup of My GPTs section under Explore menu
  1. In the GPT builder, use the Create tab on the left-hand side to describe what tasks the custom GPT should undertake.
GPT Builder main view with Create tab open
  1. In the Configure tab, finetune the GPT’s name, description, custom instructions, conversation starters, and other settings.
  2. Upload files to the Knowledge section for more detailed guidelines and create new actions.
  3. Use the Preview on the right-hand side of the screen to test your AI chatbot.
GPT builder Configure tab open
  1. When you’re done configuring and testing your GPT, expand the Save menu and select how you want to publish your chatbot.
Save GPT closeup
  1. Your published GPT is now visible in the sidebar.
GPT selected with the GPT also highlighted in the sidebar
  1. After publishing your GPT, access its settings by opening your GPT and clicking on the GPT name in the left-hand corner of the screen.
GPT settings expanded

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Examples of Useful Custom GPTs

AI models can be used for virtually anything, from customer support to legal document reviewing and image generation. Here are some examples of useful GPTs:

1. Customer Support GPT

A customer support GPT helps troubleshoot common problems and offers instant answers to frequently asked questions, improving the online customer experience.

Start setting up a customer support ChatGPT by compiling a database of FAQs. This data is used to train the GPT in handling different customer interactions. The trained GPT can be integrated into various customer service platforms like live chats, emails, and social media.


  • Faster response times
  • Increased customer satisfaction
  • Consistent and accurate answers
  • Enhanced customer experience
  • Improved brand loyalty

2. Content Creation GPT

A GPT for content creation streamlines the production of blog posts, social media updates, and other marketing materials.

In order to achieve the best results, train the GPT using samples of your brand’s content to ensure it replicates your style across formats. Remember to regularly update your content GPT to ensure the output is up-to-date with the latest brand guidelines.


  • Efficient content production
  • Consistent brand voice and identity
  • Rapid generation of high-quality content
  • Efficient use of time and resources

3. Legal Document Assistant

This custom GPT simplifies interpreting legal documents, such as privacy policies and agreements.

Training a legal document assistant GPT involves uploading relevant documents to the builder and teaching it to respond to queries in a clear and easy-to-understand way.


  • Clear explanations of legal documents
  • Enhanced transparency and understanding
  • Reduced misinterpretation and non-compliance risks

4. Website Development Assistant

A GPT for web development aids developers with tasks related to coding, troubleshooting, and web design.

To customize a web development GPT, input programming languages and design principles. Set it up to provide tailored advice for web development challenges and enable the code interpreter to get the best results.


  • Streamlined web development process
  • Reduced troubleshooting time
  • Enhanced learning for developers

Things to Bear in Mind When Using Custom GPTs

To get the most out of your custom GPT, consider the following best practices:

Defining Objectives

Identify clear goals for your custom GPT, such as automating customer responses, streamlining content generation, or providing web development assistance. A defined objective guides the setup process and speeds up model training.

Data Collection and Preparation

Collect and organize data relevant to your GPT’s purpose. For customer support, compile FAQs from a support knowledge base and pre-defined responses to certain queries. Meanwhile, for content creation, use existing content samples to maintain style consistency.

Uploading and Integrating Data

Use ChatGPT’s data upload feature to train your GPT with your specific data. This is essential for more personalized interactions, helping your GPT answer questions and execute particular tasks with better accuracy.

Customization of Settings

Adjust the GPT’s settings to fit your desired response style and complexity, aligning with your brand’s identity or specific use case.

Testing and Refinement

Test your GPT extensively and refine its responses based on feedback to improve accuracy and relevance.

Data Security

Regularly update your GPT with new information, such as industry trends and user feedback. Then, adjust its settings to adapt to changing needs. This continuous learning ensures the GPT remains effective and relevant.

Ethical Use

Establish guidelines for the GPT’s usage, especially for sensitive topics. Be transparent about its capabilities and limitations. Ethical use and transparency are essential to maintain user trust and uphold responsible AI usage.

More on AI

Interested in learning more about AI? Speed up your workflows and get the most out of top AI tools by checking out the following tutorials:
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Top AI Web Development Tools
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How to Install Auto-GPT


Creating a custom GPT with ChatGPT enables businesses and individuals to automate repetitive errands, freeing time for more strategic and creative tasks.

Set up your own GPT by logging in to ChatGPT, navigating to the Explore menu, and opening the GPT builder. Use the chatbot interface to define your GPT and adjust the various configurations.

By following this guide and considering the critical aspects of data security, continuous learning, and ethical use, you can develop a GPT that meets your specific needs and adds significant value to your digital endeavors.

The author

Matleena Salminen

Matleena is a seasoned Content Writer with 5 years of content marketing experience. She has a particular interest in emerging digital marketing trends, website building, and AI. In her free time, Matleena enjoys cups of good coffee, tends to her balcony garden, and studies Japanese. Follow her on LinkedIn