Blonde woman holding a smartphone in a cityscape with blurred lights behind her, symbolizing the fast-paced world of AI and personalized GPTs.

How to create customized GPTs and how does it work?

Creating your own AI assistant may sound complex, but thanks to OpenAI’s tools, it’s now accessible to anyone. Whether you’re looking to build a customer support bot, a creative writing assistant, or a specialized teaching companion, the process to create customized GPTs is easier and more flexible than ever.

In this article, we’ll walk you through how a custom GPT works, its key benefits, and how to create your own step by step, even without programming knowledge.

How does a personalized GPT work?

A personalized GPT is a version of the ChatGPT model that has been tailored with specific instructions, tone, and even extra knowledge provided by the user. Unlike a general GPT, which offers broad responses, custom GPTs are designed to respond in line with a defined purpose, whether it’s a brand voice, subject expertise, or interaction style.

With OpenAI’s customization tools, you can guide the behavior of the model and even upload files or documents to make it smarter in specific topics. This makes custom GPTs ideal for professional, educational, and business use cases.

What are the differences between a general GPT and a custom GPT?

While general GPTs are trained to respond to a wide variety of topics with general knowledge, custom GPTs are designed to act with specific behavior. They can follow particular communication rules, use a defined tone, or focus exclusively on one area, such as finance, design, or education.

If you’re wondering how to create GPTs for targeted applications, the key lies in these personalization options—something general GPTs don’t offer.

Benefits of creating a personalized GPT

Adaptation to language and tone

One of the biggest benefits of custom GPTs is the ability to adjust how the AI speaks. You can configure it to be formal, friendly, technical, concise—or even adopt a character’s personality. This makes it perfect for branding or tailored communication.

Improved accuracy of responses

By feeding the model with additional documents or knowledge, you increase the relevance and correctness of its answers. It becomes more reliable in specific contexts, avoiding vague or irrelevant responses.

Continuous learning

While personalized GPTs don’t learn automatically from new interactions, you can update their instructions or knowledge base manually to improve their performance over time.

Optimized user experience

Because custom GPTs are more focused and adapted to their use case, they deliver more efficient, faster, and helpful conversations—a better experience for users and teams alike.

For professionals looking to apply this in business or creative projects, our program in AI and Innovation teaches how to build, implement, and manage personalized AI systems effectively.

How to create a customized GPT step by step?

Creating a custom GPT only takes a few minutes. Here’s a clear guide on how to create personalized GPTs through ChatGPT:

Subscribe to ChatGPT Plus

First, you’ll need a ChatGPT Plus subscription, which unlocks GPT-4 and the GPT creation feature.

Go to “My GPTs” and select “Create a GPT”

In your ChatGPT dashboard, click “Explore GPTs” or go directly to “My GPTs” to start building your assistant.

Set up name, description and image

Add a name, a short description, and choose an icon for your GPT. These help users recognize its purpose.

Set up conversation starters

Provide starter questions or suggestions so users know what kind of interactions the GPT is optimized for.

Upload files or add additional knowledge

You can add PDFs, notes, guidelines, or FAQs that the GPT will use to improve the accuracy and relevance of its responses.

Choose privacy settings and confirm creation

Decide whether your GPT will be private or public, then save your settings and start using it. That’s it!

H2: Why learning how to create customized GPTs is key in today’s world?

In a world increasingly shaped by AI integration in work and learning, knowing how to create customized GPTs is a valuable and in-demand skill. It gives you the ability to build tailored assistants that can solve problems, automate responses, or support complex tasks.

Whether you’re in marketing, education, design, or management, learning how to create personalized GPTs means you can build solutions instead of depending on generic ones.

To dive deeper into this topic, explore our resources on generative AI tools and understand the broader impact in our guide to artificial intelligence and the future of work.

link to author profile

Pablo Rodríguez

Pablo plays a key role in driving the strategy and success of Founderz. As Chief Growth Officer, he transforms ideas into actionable strategies that expand our impact. As a professor at EDEM and Founderz, he demonstrates how marketing and artificial intelligence can transform businesses and deliver practical solutions in today’s competitive landscape.