There are two ways you can create custom AI assistants with GPT-4o – and one is free!

Sabrina Ortiz/ZDNET
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OpenAI's latest model, GPT-4o, offers an unprecedented level of intelligence through advanced reasoning, logic and more, which users can leverage for almost unlimited tasks. That said, getting ChatGPT — which uses GPT-4o — to do what you want usually requires a lot of hinting. It is not required.

Also: What does GPT mean? Understanding GPT-3.5, GPT-4, GPT-4o, and more

By creating a custom AI assistant, you can block extensive instructions whenever you want to complete a specific function with GPT-4o. You can add instructions, including the task you want to perform, the tone you want to use, and more.

If you use ChatGPT for repetitive tasks in your personal life or business workflow, spending a few minutes setting up custom chatbots can save you time in the long run. Setting up these custom AI assistants is easy, and requires no coding.

There are two ways to create custom GPT-4o support: ChatGPT and Both are easy to use, and each offers different benefits. If you are a ChatGPT user, it may be easier to create a custom GPT within the platform. However, you will need ChatGPT Plus, which costs $20 per month., meanwhile, lets you build an Assistant with all the most popular models from OpenAI, Meta, Anthropic, Google, and more — and it's free.

Read on to learn how to use ChatGPT and to build a custom AI assistant.

Chat GPT

Getting started with ChatGPT is easy. First, go to ChatGPT and log in to your OpenAI account (create one if you don't already have one). Next, click on your profile picture in the top right corner > My GPTs > Create.

The rest is pretty intuitive: ChatGPT prompts you with questions to customize your chatbot, including how you'd like the chatbot to communicate, the chatbot's tone, what to avoid should, what should be emphasized, and more. You can see some questions below.

Screenshot by Sabrina Ortiz/ZDNET

When you've set up your custom AI assistant, you can publish it to the GPT Store for everyone to see, get a custom shareable link for limited sharing, or just make it your own. Can keep private for use. Once you hit create, you can access your creation anytime from the sidebar at the bottom of ChatGPT.

Also: Here's how to create custom chatbots using ChatGPT.

Since I created a custom GPT to translate text into Spanish, the next time I want it to do the job, I don't even have to ask. I can only enter the text I want to translate.

One of the unique features of is that its platform lets you discover some of the latest and greatest models. You can use this to your advantage when building your own AI assistant — with the ability to create a custom chatbot grounded in GPT-4o, Claude 3 Opus, Llama 3, Gemini 1.5 Flash, and more. notes that these models are developed by, meaning the experience may not be exactly what you'd get in a native chatbot. However, it's a great and fun way to try all the best models in one place, avoiding the need to open multiple applications.

Also: YouPro lets me access every popular premium AI chatbot for $20/month.

To create a custom AI assistant, go to, click the “More” button at the top of the search bar, and select the blue “Add New” button next to “Assistant.” Is. You'll be brought to a window where you can customize your AI assistant, select the base AI model you want your assistant to use, and type in a name and instructions.

Screenshot by Sabrina Ortiz/ZDNET

Creating an assistant on is less intuitive, as you have to type in all the details you want the assistant to add. For this reason, try to be as detailed as possible. For example, I typed, “Take each text input and translate it into Spanish. Your accent is relaxed, because you're a friendly Spanish teacher,” an instruction that answers the two different ChatGPT questions. Adds

Also: Best AI chatbots: ChatGPT, Copilot and worthy alternatives

Once you're done with your instructions, click “Create.” The custom assistant will then populate at the top of the search bar, where you can select it and use it for future tasks. In my case, I can skip gesturing and have my custom AI assistant automatically translate any text into Spanish.

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