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So, I've built hundreds of AI agents and
AI workflows, which means I've made
hundreds of mistakes building my AI
agents and my AI workflows. So, in this
video, I'm going to be talking about the
four different layers of the AI systems
pyramid. And for each layer, I'll talk
about when you would actually use it and
a real example that I either use or have
built in the past. I also teach and
coach thousands of people who are
building AI systems for businesses. So,
this isn't just a gut feeling. This is
actually what I'm seeing in the space as
one of the most common issues. So, I
don't want to waste any time. Let's get
straight into the video. So here is the
pyramid that I was referring to where
you can see we have four different
layers. We have custom GPTs or cloud
projects or things similar to those at
the bottom as the foundation and we move
all the way up to the top with our AI
agents. And as we move up the pyramid we
increase in complexity, cost and
maintenance. So we've got the custom
GPTs, we've got simple workflow
automation with no AI, we have AI
workflows and then we have AI agents up
top. And really the most important thing
to understand is that all of these are
great and they have their use cases, but
it just kind of comes back to this idea
of becoming a problem solver, not an AI
agent builder. And this is something
that I talk about a lot in my plus
community. If you want to check it out,
the link for that is down in the
description. A lot of times people will
come to you and they think they need AI
or they know they need to start using
AI, but they don't know exactly how. And
they'll tell you what's going on. But
your job isn't to say, "Here's what I
will do with AI." Your job is to say,
okay, let's actually understand the root
of this problem and what is the most
efficient solution that we can implement
right away that will give you quick win
that will, you know, keep your cost low
and keep everything simple. And a lot of
times the answer could just be a simple
automation or a cloud project or maybe a
SAS product that already exists out
there. All right, so let's go ahead and
start with this bottom layer. What
actually is this bottom layer? Well, a
custom GPT or project or gym is a
conversational AI assistant that you're
able to preconfigure with your own
specific instructions, knowledge base,
and voice. So, you can almost think of
it as an intern who knows your company
because you give it a prompt, you give
it data, and then you ask it to help you
out with things. And the defining
characteristic here is that it's
entirely reactive, meaning it doesn't
scale a ton because it only actually
works when you trigger it or when you
initiate a conversation with it. And so
there's a lot of use cases where people
are telling me about how they do
something manually and typically they
will be triggered by a certain event and
they will need to do something and they
might need some sort of like back and
forth loop or the ability to iterate. So
for example with me every time I make an
end YouTube tutorial if you guys have
seen those in the past and I drop my
templates in the community I typically
have a sticky note in there that's like
a setup guide. And this is a super
repetitive process because it happens
every time I post a YouTube video. So I
needed to make some sort of system to
help me do this quicker. But if I built
an automation for it, it could
effectively do the same thing, but I
would still end up doing a lot of
revision and it might be more manual
than if I just set up a custom GPT and I
gave it instructions about how to do the
setup guide and different links that I
like to use and things like that. And
then if I need revisions, I'm already in
that interface and I can just tweak it
until I get something. And now that
process for me is super quick and easy.
All right, moving on to the second
layer. This is simple workflow
automation. So this is when you have a
series of steps connected together that
run automatically on some sort of
trigger that follow pure if then
conditional logic with zero AI
intelligence. The defining
characteristic here is that it's
completely predictable. It's got the
same trigger. It's got the same sequence
and you have basically the same output.
So it's a very deterministic flow with a
predictable input and predictable
sequence of steps and then predictable
output. Now that doesn't mean we can't
have something intelligent in here like
polling. But once again, that polling
check right here is based on did it
either succeed or error. And that's
black and white. There's no element of
reasoning in there. And these are a step
up from a custom GBT because these can
run in the background while you sleep.
It could be triggered when a meeting
recording has been finished or it could
be triggered every morning at 6 a.m.
Things like that. Now, just one more
step up from that is an AI workflow,
which basically holds the same principle
of a set amount of steps or a set
sequence of steps in the same order
every single time. But now we're able to
use AI in there for a little bit of
reasoning or output. So even though
there's AI to do some planning and to do
some writing and editing, it still
happens in the same order where it goes
1 2 3 4 5 6 7 8 9 10. Now, another use
case of adding AI into a workflow is
maybe you need AI to understand which
way to switch. So, like in this example,
and here's another quick little setup
guide. You can see that the AI right
here classifies the incoming email and
decides if it is going to be support or
finance or priority or promotion. And
that is because it would be really hard
for traditional logic or code to be able
to read the body of an email and the
subject and then push it down one of
these paths. It would really only be
able to do that if it was looking for a
specific keyword to trigger it. But in
this case, we actually need AI to read
and understand and then shoot it off in
the right direction. But this is still a
workflow because there's no full
autonomy and decision-m. It's basically
just one very narrow use case of AI and
then we go right back into our
traditional sequence of steps. So the
defining characteristic here is fixed
path with intelligent decisions. The
workflow always follows the same
structure, but AI makes contextawware
choices within that structure. And
actually, what I've seen when we've
worked with businesses and when we've
helped people work with businesses is
that the majority of automations can be
simple and they don't even need any AI.
And I'm talking like 50% of automations
that you could go in and build for a
business right away. But then you start
to get a little bit more complex or
maybe on your traditional automations,
you want to make them a little bit more,
you know, increase the functionality.
And that's where you may just need to
add a little AI step at the end or in
the beginning or something like that.
But when you're just getting started
with a business and you're helping them
get more automation ready, the AI agent
is almost never the right call to start
off with right away. And even just
helping teams integrate custom GPTs and
Gemini gems and things like that into
their daily workflow will also drive a
ton of efficiency. So finally, let's
take a look at an AI agent example. So
what this actually is is an autonomous
system that can work toward a goal by
perceiving its environment, making
decisions, calling tools, handling
exceptions, and adapting its approach
because it is basically fully autonomous
here. So as you can see with the
defining characteristic, true agency and
autonomy. You give it a goal and it
figures out I have these five tools,
which ones do I use and in what order do
I use them to achieve said goal? So in
this case, this was a marketing team
that I did for a YouTube video. And you
can see that it got a request from a
human via Telegram and it used its brain
to understand, okay, I have these three
content creation tools. I have these two
image creation tools and I have this
database tool. Which ones do I need to
use? And it had full autonomy based on
its system prompt and input to help it
work towards its end goal. But it's
actually interesting if you were paying
attention. this create image tool or
maybe it was the edit image tool is
actually this one right here where we
hooked it up to call on this tool. And
the reason why I'm saying that it's
interesting is because even though we
give the agent autonomy to call on its
tools once it chose the right path we
basically wanted it to stay super
predictable and that helped with the
agents performance a lot more because
its tools are workflows or AI workflows.
the way that I architected that to have
all of these be fixed. This almost makes
it seem a little bit more like an AI
workflow here where the AI does the
reasoning and then shoots it down a
fixed path. But the only difference is
after it would go down this path, it's
done. But in this example, it could go
back and forth as many times as it
wanted. So I know it can be a little
overwhelming. So I made this really
simple diagram to help you understand
what should you actually be looking to
build based on your problem at hand. So
the first question would be, do I need
to be in the loop every time? If yes,
custom GPT is the answer. If no, move on
to question two, which is, are the steps
100% logic- based? Meaning, could I have
a simple filter or a simple code? Or is
there a very explicit black and white
thing that tells me which way to go? If
yes, build a workflow? If no, then come
down here to question three, which is,
is the order of operations fixed? Is it
predictable? If yes, you're going to go
with an AI workflow. If no, if you need
some more autonomy and decision-m and
flexibility, then you want to go with an
AI agent. Now, I wanted to end off with
one example of maybe even a time where
you would come down to question three
and your answer would be yes, but you
still might want an AI agent instead.
And so, here's a really simple example
where we have a customer support agent
or customer support flow. And what
happens is it receives an email and it
has to use its brain to understand,
okay, here's the email I have. I have a
database I can look through and then I
need to reply to the incoming email with
accurate information. And so when I
think about that process as far as like
how would I do that manually, I would
one read the email, I would two check
the knowledge base and then I would
three write a response. And it really
should happen in that sequence every
single time. Which is why this could
also be a workflow where we read the
email, we search the knowledge base. We
even do something fancy here where we
filter to keep just the best responses.
But anyways, then we write the email and
then we respond to it. But the
difference here is sometimes you may not
need to search the knowledge base. In
that case, you would just be wasting
time and tokens where you could just
reply right away. Or sometimes you need
to search the knowledge base three or
four or five times before you're
confident. And in that case, the agent
up here would be better as well. The
point I'm trying to make is that it's
never just a clear black and white logic
flowchart like this. It depends on the
situation and it depends on how you
would want the manual process to be
done. And then the other tough pill to
swallow at times is just the fact that
you don't know what you don't know.
Sometimes all the signs might be
pointing to using a custom GPT, but then
you might have to just scale up after a
few months of usage to an AI workflow.
Or you might have an AI agent and then
realize later you have to scale that
down after you've actually had time to
let it get some runs and let it collect
some feedback. But once again, if you
have that problem solving mindset, it
shouldn't be an issue. And if you love
to think about solving problems and
wanting to understand what is the best
ways to solve these problems, then like
I said, I talk about this kind of stuff
a lot in my plus community, the link for
that is down in the description. We've
got a great community of over 3,000
members who are building businesses and
automations with Naden every single day.
And we have a classroom section where we
break down lots of other stuff. Agent
zero 10 hours to 10 seconds, one person
agency course. We've got a lot of
projects in here which are like live NAM
builds and things like that. Um, and we
also do a live call per week. So, I
would love to see you guys in those
calls in the community. But that's going
to do it for today. So, if you enjoyed
the video or you learned something new,
then please give it a like. It
definitely helps me out a ton. And as
always, I appreciate you guys making it
to the end of the video. I'll see you on
the next one. Thanks, everyone.
Full courses + unlimited support: https://www.skool.com/ai-automation-society-plus/about All my FREE resources: https://www.skool.com/ai-automation-society/about 14 day FREE n8n trial: https://n8n.partnerlinks.io/22crlu8afq5r Code NATEHERK to Self-Host n8n for 10% off (annual plan): http://hostinger.com/nateherk In this video, I break down the AI systems pyramid and explain how I decide what type of system to build for a given problem. We walk through all four layers, starting with custom GPTs, then simple workflow automations with no AI, followed by AI workflows, and finally full AI agents. As you move up the pyramid, complexity, cost, and the chance of things going wrong all increase, and I explain exactly why that matters in real projects. I also show real examples of each layer so you can see how these systems actually work in practice. By the end of the video, you should be able to confidently decide which type of AI system you need to build and avoid overengineering solutions that do not need it. Sponsorship Inquiries: 📧 sponsorships@nateherk.com TIMESTAMPS 00:00 The AI Systems Pyramid 01:42 Foundation Layer 03:02 Layer 2 03:55 Layer 3 05:17 Simple Automations! 06:02 Top Layer 07:32 Decision Tree 08:15 Example Agent vs. Workflow 09:53 Want to Master AI Automations?