We have a brand new AI agent builder from ChatGPT.
ChatGPT AI Agent Builder looks a little bit like N8N and I’m going to be showing you exactly how you can use it.
Plus how you can quickly build out whatever sort of agent you want to build with ChatGPT AI Agent Builder.
Watch the video tutorial below.
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Finding ChatGPT AI Agent Builder
Now I think honestly ChatGPT AI Agent Builder is one of the easiest ways to build AI agents quickly and actually test it in real time.
So for example, if you actually go to platform.openai.com/agent-builder, you will find ChatGPT AI Agent Builder like so.
And then under here you can see all these different templates with ChatGPT AI Agent Builder, right?
So for example, if you wanted to create like a custom GPT or an internal knowledge assistant with ChatGPT AI Agent Builder, well you would just click this.
Or if you wanted to create quickly like a customer service agent with ChatGPT AI Agent Builder and even embed that into the front end or the back end of your project, you can easily do it like so.
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Why ChatGPT AI Agent Builder Matters
Now why would you want to use ChatGPT AI Agent Builder?
Basically you can build your own tools now without paying for something external like for example N8N.
And you don’t need to hook different APIs together with ChatGPT AI Agent Builder.
You could just use the AI agent workflow builder like you can see over here.
Then even if you were using something like this template with ChatGPT AI Agent Builder, we could actually preview that straight away, right?
So for example we say hey inside the chat here, the AI agent that I literally just created in one click live for you right now is going to be ready to go and respond directly inside this workflow.
It’s insane how easy and fast ChatGPT AI Agent Builder is.
So for example now you can see boom, hello how can I assist you with your Horizon Tel mobile service today.
Which is our customer service agent built on a template.
Now obviously we’re not Horizon, right?
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Editing ChatGPT AI Agent Builder Workflows
So what you can actually do with ChatGPT AI Agent Builder is you can go over here and you can edit each section of this workflow.
So if we close the preview over here, we can edit each section of the workflow to adjust it and train it exactly how you want it to be with ChatGPT AI Agent Builder, right?
And you can actually give ChatGPT AI Agent Builder like custom trained data.
You can for example allow ChatGPT AI Agent Builder to search for you online.
You can set up conditions like you can see.
And then you can actually have different AI agents inside the workflow.
So we have for example a return agent, a retention agent, an information agent with ChatGPT AI Agent Builder, right?
And you can see this is all custom trained on our data.
Now if we click on expand the prompt, these prompts can be as complicated as you would like them to be with ChatGPT AI Agent Builder.
Right?
So for example you see this is pretty complicated prompt and it’s all custom trained on Horizon Tel.
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Customizing ChatGPT AI Agent Builder For Your Business
Now if you wanted to customize that to your business with ChatGPT AI Agent Builder, right?
Here’s how I would do it, and this is super easy.
We just go over to ChatGPT.
We’re going to click on that, right?
So we’re going to paste in that prompt from the agent builder inside the template.
Then we’re going to go inside here and we’re going to say something like, okay mate, customize this to my SEO agency, right?
Knowing what you know about me.
And then what you can do is swap out the old template which was for Horizon Tel and switch it to your company.
And you can do that in a minimal prompt.
Literally it’s just in one sentence.
Let’s go my friends.
All right.
And then you can see over here, it’s got all the information.
It’s explained all the details for the account manager, downgrades, etc.
It’s basically customized everything that I’ve trained ChatGPT on over the last few years.
And this is why I love ChatGPT because it is very personalized to me and it has all my data and that sort of thing.
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ChatGPT AI Agent Builder vs N8N Comparison
Okay.
So as we go through, some people going to ask, is ChatGPT AI Agent Builder better than N8N?
So if we pull up N8N over here, what I would say here is ChatGPT AI Agent Builder is really good for building out quick agents like you can see.
And ChatGPT AI Agent Builder is simple.
You don’t need to be able to code.
You don’t need to understand like JSON or anything like that with ChatGPT AI Agent Builder.
And you can just quickly link a workflow like this even if you’re just using one of the basic templates.
You can see the UI is very simple with ChatGPT AI Agent Builder.
ChatGPT AI Agent Builder almost feels like the Apple of AI agent builders.
Now if we went over to N8N, N8N is a lot more complicated.
N8N breaks way more.
There’s a lot more problems with N8N and it just feels a lot more messy, right?
Even for example if we go down the list here, it’s so difficult once you built a lot of AI agents to figure out, okay, what are these workflows about and how do I review them with N8N and that sort of thing.
And then sometimes N8N breaks, sometimes they stop working.
Sometimes the APIs run out of credits with N8N and that sort of thing.
You don’t know why the workflow isn’t working because you have to check and proofread every single part of the modules in N8N.
And so I would say if you want something simple and fast honestly ChatGPT AI Agent Builder is pretty good, right?
You can use platform openai and that’s super quick.
If you want something that is a bit more customizable and you’re a bit more technical then I would say N8N is kind of like the next step up from ChatGPT AI Agent Builder, right?
So you’re kind of graduating up.
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ChatGPT AI Agent Builder Publishing Process
The real thing I would say is like the only problem with ChatGPT AI Agent Builder is it is a little bit more complex just to actually publish it, right?
So if you publish ChatGPT AI Agent Builder, you have to use something called chat kit to actually deploy it.
But honestly I think you could work that out in the morning and then you’re good to go once you learn that skill with ChatGPT AI Agent Builder.
So that’s pretty much it when it comes to the AI agent builder.
The other cool thing is like you don’t need to pay for external tools with ChatGPT AI Agent Builder, right?
Like I’m not paying for Lindy.
I don’t have to pay for N8N if I don’t want to.
I can just create everything inside ChatGPT AI Agent Builder.
If I master ChatGPT AI Agent Builder, then all of a sudden I’ve got everything in one sort of ecosystem.
Kind of like Apple.
You have a Mac, you have an iPhone, you have an iPad, and it’s all inside one ecosystem.
So it all links together with ChatGPT AI Agent Builder, which makes everything a bit easier too.
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Building From Scratch With ChatGPT AI Agent Builder
So we’re going to keep going through now.
And what I’m going to show you next is how to customize or create this yourself with ChatGPT AI Agent Builder.
Right?
So for example if we go to new workflow here, we’re going to go to the AI agent builder.
By the way, if you want all the notes, a step-by-step process completely for free, and I’ll even include 50 use cases for using this bad boy, then you can get that inside the AI money lab completely free.
Link in the comments description.
All you’re going to do is you’re going to click on the link in the comments description.
It’s completely free.
Click on the AI money lab.
Go to the classroom.
Go over to new AI automations.
Scroll through all the free training on the left hand side with loads of videos.
It’s better than most people’s paid stuff.
I’m going to be honest with you.
And then if you scroll down, what you’ll see is that we’re releasing new updates inside here every single day.
And we’ve got the new ChatGPT AI agent builder.
And then inside here you’ve got the SOP and you’ve got the step-by-step process for customizing ChatGPT AI Agent Builder as deep as you want to.
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Creating An SEO Content Agent
All right.
So what we’re also going to do now is we’re going to take a look at the other module which was down here in ChatGPT AI Agent Builder.
And you can see here that we have this new section on AI agents.
And this includes tons of use cases and that sort of thing, right?
So let’s get back to the agent builder workflow here.
We’re going to click on create.
Then we’ve got start and we’ve got AI agent ready to go with ChatGPT AI Agent Builder.
Right?
It’s all set up.
It’s all good to go.
We can change this.
So we can say right okay you’re a helpful SEO content writing assistant.
Right?
Then we’re going to click on that.
We’ve got this good to go.
We can select which model we want with ChatGPT AI Agent Builder.
We have for example the reasoning effort.
So do you want it to be minimal, low, medium, high?
Obviously the more reasoning you add, the more intelligent it’s going to be, but the slower it’s going to be to respond with ChatGPT AI Agent Builder.
So that’s up to you and how you want to respond.
And then also you got an option here.
You can have text, you can have JSON, you can have widget with ChatGPT AI Agent Builder, right?
Whatever you want.
And you can also show search sources.
You can for example write to conversation history.
You can change the name of the agent.
We can put this as SEO agent with ChatGPT AI Agent Builder, right?
And then that was pretty easy and simple to do, right?
So you can see how quick ChatGPT AI Agent Builder is.
And you can plug in your own custom prompts here as well.
So if you want to use your own prompts, no problem mate.
Just add it right here in ChatGPT AI Agent Builder.
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Testing The SEO Agent Live
So from here we can click on preview with ChatGPT AI Agent Builder.
We’ll test this out.
I’m going to say all right my keyword equals SEO training.
Let’s just see if it works.
It might not work but we’ll see.
So we’re going to go inside the chat here and you can see that we can look at our workflow over here.
It’s kind of like the visual side.
And then you’ve got on the right hand side over here, we’ve got the SEO assistant helping us, right?
So this is an SEO assistant that you can build and customize however you want with ChatGPT AI Agent Builder.
Now that is so much easier and faster than using something like N8N.
Honestly like you could not get an AI agent set up that quickly if you wanted to.
So you can see now it’s coming up with the outline, the keyword details, what it recommends for on page and off page, right?
And it’s even started writing up the article with ChatGPT AI Agent Builder.
Now that article is not going to be great because you have to install your own prompts inside here, right?
Which I’ll show you how to do in a second.
But basically that’s how ChatGPT AI Agent Builder goes step by step.
ChatGPT AI Agent Builder Cost Analysis
Now I’m not sure about the cost actually.
Let’s have a look.
So let’s see if we actually got charged for this stuff.
So I’m going to go to usage and then we’ll have a look here and we’ll see if we got charged.
So we used stuff on October the 7th but today is and you can see I tested it a lot yesterday.
I got charged less than $0.01 with ChatGPT AI Agent Builder.
You can see the marker over here.
And then today I’ve not been charged anything for using this AI agent.
So October budget $0 spent this month.
It seems to be free.
I don’t know why it’s free with ChatGPT AI Agent Builder.
So far I’ve not been charged.
That’s all I’m showing you.
So pretty crazy stuff right there.
Connecting External Apps With ChatGPT AI Agent Builder
What else we got?
So let’s keep going through now.
We’re going to go through and we’re going to have a look at this.
So we’ll have a look at this new workflow.
We got the start button over here.
We got the SEO agent.
What I’m actually going to do is I’m going to set up a new AI agent over here.
So we’re going to set up a new node and I’m going to see if I can use the MCP and figure out how to use this.
So you can actually add like an MCP with ChatGPT AI Agent Builder, which means that you can link whatever you’re doing to an app externally, right?
So for example you could create like an email assistant.
So if we click on add over here, we’re going to select Gmail and we are going to connect.
And we have to get the OAuth token, right?
So you can see we have to get the access OAuth token.
Let me just do that off screen and then we can give that a cheeky whirl.
We’ll see how that goes.
So you can see over here basically what you’ve got is the OAuth playground and you would just get your OAuth token from here.
So you can actually link directly to Google and Gmail if you want to link this to apps as well.
If we go back, you can connect this to other apps.
You got like Google Drive, Outlook, you got SharePoint, Microsoft Teams, you’ve got Zapier as well.
So Zapier is pretty cool.
And then you’ve got stuff like even PayPal and stuff like that.
Setting Up Zapier Integration
Let’s have a look if we can link the PayPal here.
So we need to get an access token.
I don’t want to share that live on the call.
But basically you can get an access token as well.
You can get that from the GitHub details as you can see.
And then also if we go back here we can link like Dropbox and all sorts of things.
So for example let’s say you want to use Zapier, right?
What you can do is you can go to MCP Zapier over here.
So we’ll open that up in a new tab.
All right.
So we’ve gone over to Zapier.
Now let’s see if we can use the MCP client from Zapier.
It’s actually quite hard to find the link for setting up the MCP.
All right cool.
So what you do is when you set this up, just make sure you’re logged into Zapier already, otherwise this URL will not work.
Once you’ve done that, then you’re going to click on get API key over here.
And you’ll plug that in over here once you’ve got it from Zapier.
Right?
So you can see we’ve got for example this right here.
And then we can connect.
And we’ll just grab the API key.
So I’m going to copy the secret API key over here.
We’ll go back to Zapier.
Enter that in.
Hit connect.
It’s going to establish a connection.
Hopefully that works.
That seems to have worked now.
And then you can if we click on that we’ve got the API key linked.
And then we can set up a new node right here.
Now inside the MCP if we go back to Zapier MCP now we should be able to link different apps inside here.
So you can link tools inside the configure section.
And you’ve also got you can set up OpenAI API and that sort of thing.
And we can click add tool, right?
This is probably a much easier way than getting the OAuth token because the OAuth token can be super messy and annoying to do.
And then from here we are going to for example let’s click on Gmail.
We’ll add all the Gmail tools.
Click on add Gmail there.
And let’s see if it can actually work with the MCP.
Testing The MCP Connection
All right.
So we’ll click on new node agent.
We’ll link that there.
We’ll delete that one.
There we go.
All right.
Doesn’t seem that easy to delete a module from what I can see.
If I click on that, how do I delete this?
We click on that.
All right.
So if you want to delete a step, let’s say you add a step and you want to delete it.
Click on the agent over here and then just click on delete.
You can also click on learn more.
You can add custom instructions, but we’re going to delete that one there.
Then let’s see if this will actually work.
So I’m going to say okay.
I don’t know if that’s going to relay the information over.
Bear in mind like this is one of the first few times I’m using the MCP side of things.
So we’ll change this to email agent and let’s click on preview now.
See if that works.
So it’s drafting the email here.
And then you can see it’s wanting to use the MCP.
So I’m going to approve that.
And that is having an error.
Now why is that having an error?
Let’s have a look here.
Might be because the API key is deleted.
But something to bear in mind there.
So it doesn’t seem to link the MCP tools that well.
It’s probably something I’ll just figure out later to be honest with you.
But we’ve added in the API key over here.
Using Templates In ChatGPT AI Agent Builder
But yeah that’s something to play around with as well.
Now if we go to new workflow as well, you can just go to templates.
I think honestly the template is probably the easiest way to use this.
So you can see like structured data, QA, customer service, internal knowledge assistant.
And then you can actually do like fact-finding and that sort of thing.
So let’s have a look at here.
Rewrite the question to be more specific, relevant.
Then it’s going to classify it.
And then if we click on this agent over here, you can use web search or even uploaded files to answer stuff.
It’s got external fact-finding and it’s got an AI agent as well.
So let’s see.
We’ll click on the preview here and say okay what happened today in the news?
See if they can actually connect to the internet.
Web Search Test Results
Now you can see it’s using the internal Q&A.
So we said what happened in the news today.
It rewrote the question and then it’s searching for news summaries.
After that it actually searched the web.
So it is connected to the web which is pretty cool.
So you can see over here search the web Reuters October 8 2025 top news.
Says I’m feeling a bit disoriented here.
AP links don’t guarantee their today’s news.
Maybe a better strategy to search for top stories.
So it’s kind of like searching in different ways and trying to find interesting stuff.
Even did like a site colon Reuters.com search which is like a boolean search.
I’m surprised they did that to be honest.
And then you can see it’s looking at like AP news, gathering news updates, checking for misinformation, which is pretty good, classifying it, and reasoning through it.
So it’s quite in depth here.
And then it has links to the latest news articles.
So if we click on this one for example, that is not great though because you can see here that’s from 2024.
So something to be aware of there.
It still hallucinates despite all the recentness.
You can see here here’s a quick snapshot of today’s top news.
And then it sends you to an article from like 2024.
Let’s click on this one as well.
It doesn’t even know what year.
It says 2025 in the top there but then it doesn’t even.
So it’s okay but it’s not the best.
Like I think one thing you’d have to do is like actually say these are sources.
You’d have to go back and forth with it but then it’s going to slow down the process, right?
So if you say okay these are sources from 2024 I want today 2025 only.
My Honest Assessment Of ChatGPT AI Agent Builder
I wouldn’t say like you’ve I think this comes down to the quality of the prompts because it’s still hallucinating despite all the reasoning that’s inside this template.
It’s not that useful.
It can do live web searches which I do like but I don’t like the fact that it’s just struggling isn’t it?
And it’s a lot of work.
I could just go straight into ChatGPT and that’d be 10 times faster.
So for stuff like automating simple tasks, SEO content writing, linking it to MCP servers, I think those two things could be good once I figure out how to use MCPs.
I don’t like the fact and I’m just being I like to be fully transparent with you so I’m not going to say it’s amazing if it’s not amazing.
But for Q&As, for training it as an agent, I think it’s going to struggle a little bit.
All right.
Like even for example here I’ve asked for a news roundup and it’s just not coming back to me.
So I don’t know.
You’re better off just using ChatGPT directly.
And if you want to build something really crazy then you can build with N8N.
Google Opal Is Better
You know what I actually prefer and I’m going to say it’s 10 times easier to use this is Opal.
If you’ve not used Google Opal that’s basically Google’s version of N8N.
And I would say that is genuinely better.
Like genuinely much more much easier to use.
Actually works first time around.
You can see an example of how it looks so similar.
So it’s got the chat over here and then the preview over here.
One of the biggest differences as well is with Opal you can quickly build like a video generator, okay?
And quite often the workflows work really well.
Plus you can test them and I would say it’s easier to use and get your head around.
Whereas for example if you’re using AI agents inside ChatGPT’s platform it’s hit and miss as you’ve seen today.
It’s hit and miss.
Opal is a lot better.
I’ve actually done a few live streams on Opal as well.
If you actually go into the AI money lab you type in Google Opal you’ll see all the trainings we’ve done on it here.
These are all individual training videos like you can see.
So you can check out all the free training inside the AI money lab.
Final Verdict
So thanks very much for watching.
That is pretty much it for my exploration of the new AI agent builder inside ChatGPT.
Is it going to replace N8N anytime soon?
I don’t think so.
We’ve seen how difficult it is to link to other apps.
I honestly think that inside N8N is a lot easier.
You just one click sign in for Gmail and stuff like that.
You can also see for example that it does require some technical expertise, right?
Unless you want to do something super basic like creating keyword research and that sort of thing, it’s going to be a bit messy.
All right.
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FAQs About ChatGPT AI Agent Builder
Where can I find ChatGPT AI Agent Builder?
Go to platform.openai.com/agent-builder to access ChatGPT AI Agent Builder and all its templates.
How much does ChatGPT AI Agent Builder cost?
In testing, charges were less than $0.01 and then $0 spent. It appears to be free but costs aren’t fully confirmed.
Is ChatGPT AI Agent Builder easier than N8N?
ChatGPT AI Agent Builder is simpler for basic agents with a cleaner UI. N8N is better for complex workflows and easier app connections.
Can I connect Gmail to ChatGPT AI Agent Builder?
Yes, but it requires OAuth tokens or Zapier MCP setup. In testing, MCP connections had errors and need troubleshooting.
Does ChatGPT AI Agent Builder work with templates?
Yes. ChatGPT AI Agent Builder includes templates for customer service, internal knowledge assistants, structured data Q&A, and fact-finding.
Can I customize prompts in ChatGPT AI Agent Builder?
Yes. You can paste prompts into ChatGPT and ask it to customize them for your business, then add them to ChatGPT AI Agent Builder.
Does ChatGPT AI Agent Builder hallucinate?
Yes. In testing, web search results showed 2024 articles when asking for 2025 news. Always quality control outputs.
How do I publish ChatGPT AI Agent Builder workflows?
You need to use chat kit to deploy ChatGPT AI Agent Builder workflows. This adds deployment complexity compared to N8N.
Is Google Opal better than ChatGPT AI Agent Builder?
Based on testing, Google Opal is easier to use, works more reliably first time, and has better workflow success rates.
Start Testing ChatGPT AI Agent Builder
ChatGPT AI Agent Builder is available now.
Go to platform.openai.com/agent-builder.
Start with templates.
Test simple workflows first.
Be prepared for MCP connection issues.
Compare it to N8N and Google Opal.
See which tool works best for your needs.
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ChatGPT AI Agent Builder is free to try but has limitations for complex workflows.
