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AI Explainer · Definitions

What Is AGI? The Three Definitions, and Who Gets to Decide We've Reached It

Nobody agrees what AGI means. That is not a detail — it is the whole argument. This is what the term actually means, in ordinary words, why the same model can be AGI and not-AGI at the same time, and who has been quietly deciding the answer for you.

What is AGI — the three competing definitions of artificial general intelligence explained
Three definitions, three different verdicts on the same model. That gap is the whole argument.

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For anyone who has nodded along to the AGI debate without being sure what it means.

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The short version
  • AGI stands for Artificial General Intelligence — an AI that can handle more or less any thinking task a person can, instead of being good at one narrow thing.
  • Nobody agrees where the line is. There are three common definitions, and they give different answers about the same AI.
  • That disagreement is doing a lot of work. When a company says "this is AGI", the first honest question is: using which definition?
  • The main AGI benchmark's own creators refuse to call it a finish line. They built the test and then said passing it does not mean AGI.
  • A contract that used to depend on the word disappeared in April 2026 — about four months before a major CEO started using it in a launch.

You have probably seen the letters AGI a lot this year, usually in a headline, usually without anyone stopping to explain them.

This article explains what AGI actually means, with no maths and no jargon left undefined. Then it goes one step further than most explainers, into the part that actually decides the argument: who gets to say we have reached it.

Because here is the thing nobody tells you upfront. The reason experts publicly disagree about whether AGI has arrived is not that some of them are stupid. It is that they are using different definitions and not saying so.

1. AGI in the simplest terms possible

AGI means an artificial intelligence that can do essentially any mental task a human can do.

Not one task. Not fifty tasks. Any task — including ones nobody trained it for and nobody anticipated.

Here is the everyday comparison that makes it click.

A calculator and a colleague

A calculator is superhuman at arithmetic. It will beat you at long division every single time. But you cannot ask it to write an email, plan a holiday, or explain why your niece is upset. It does one thing.

A competent colleague is worse than the calculator at arithmetic. But you can hand them almost anything — a spreadsheet, a difficult customer, a task they have never done before — and they will figure something out.

That flexibility is what "general" means in Artificial General Intelligence. Not being brilliant at one thing. Being adequate at almost everything, including the unfamiliar.

So when someone asks "is this AI AGI?", they are really asking: can it cope with things it was never specifically prepared for, across the whole range of human thinking?

Three words that get mixed up

TermPlain meaningDo we have it?
AI (artificial intelligence)Any computer system doing something that looks like thinking. Includes your spam filter.Yes, for decades
AGI (artificial general intelligence)An AI as broadly capable as a person across nearly all mental workDisputed — that's this article
ASI (artificial super intelligence)An AI substantially smarter than the best humans at essentially everythingNo

Most news stories that say "AI" mean the first one. Most arguments that get heated are about the second.

2. Narrow AI vs general AI

Almost every AI you have ever used is what researchers call narrow AI. It is built for a defined job and it does not transfer.

Narrow does not mean weak. Narrow AI is often far better than humans inside its box. It just cannot leave the box.

General means the box is gone. You could hand the system a job from a completely different field and it would make a reasonable attempt.

Where today's chatbots sit — and why this confuses people

Modern language models genuinely blur this line, which is why the argument got loud.

You can ask one to write a poem, debug code, explain a legal clause and suggest a recipe — and it will produce something plausible for all four. That looks general. It feels general.

But two things complicate it:

  1. Breadth is not the same as reliability. A system can attempt everything while being untrustworthy at most of it. A colleague who confidently gives you a wrong answer about tax law is not "generally intelligent" in the way that matters.
  2. It has seen an enormous amount of human writing. When it answers well, it is genuinely hard to tell whether it worked something out, or is reproducing a pattern from material it absorbed. Those feel identical from the outside and are very different underneath.

This is why the honest answer to "are we there yet" is not a simple yes or no. It depends entirely on what you are measuring — which brings us to the actual problem.

3. The three definitions, and why they clash

This is the section that explains why intelligent, informed people publicly contradict each other about AGI.

They are not disagreeing about the facts. They are using three different finish lines.

Definition 1 — The capability definition

"AGI is an AI that matches or beats humans across the full range of thinking tasks."

This is the strictest one and the oldest. It asks about breadth of ability. Can it do what a person can do, across the board?

How you would check it: test it on a wide spread of tasks and see if it holds up everywhere, especially on things it has never encountered.

Verdict on today's systems: not yet, and not particularly close. The independent measurement organisation Artificial Analysis scored OpenAI's newest model at roughly the same general-intelligence level as the model before it — flat, not transformed. A system can be dramatically better at operating software while being no broader as a mind.

Definition 2 — The economic definition

"AGI is an AI that can do most economically valuable work."

This one asks about jobs and money, not minds. It does not care whether the system understands anything. It cares whether the work gets done.

How you would check it: look at whether organisations are genuinely restructuring — machines doing the intermediate steps, humans handling judgement and the awkward exceptions.

Verdict: arguable, and increasingly so. This is the definition OpenAI's Greg Brockman leaned on when he said "Welcome to the AGI era" at the GPT-6 Astra launch. Under this framing, the claim is about the economy changing, not about a machine becoming a person.

It is a legitimate definition. It is also a much easier bar to clear — and notice that it is the one a company selling AI systems has the strongest reason to prefer.

Definition 3 — The benchmark definition

"AGI is an AI that passes a specific agreed test."

This is the engineer's instinct: stop arguing, write an exam, see who passes.

The problem: every test written so far has eventually been beaten by systems that nobody seriously believes are generally intelligent — a pattern old enough to have a name, which we will get to.

The same model, three verdicts

Take one AI system and run it past all three definitions:

  • Capability definition: No — general intelligence measured flat versus the previous model.
  • Economic definition: Arguably yes — it completes long, real, valuable tasks with little supervision.
  • Benchmark definition: Depends on the test — and on which version of the test.

Nobody is lying. They are answering different questions and using the same three letters. Whenever you see an AGI claim, ask which definition is in use. Nine times out of ten, that alone resolves the argument.

4. Why "just test it" doesn't settle it

The instinct to settle this with an exam is sound. It just keeps failing, for a reason worth understanding.

The Turing Test, and what went wrong with it

In 1950 the mathematician Alan Turing proposed a famous shortcut. Rather than defining thinking, he suggested a game: if a person chatting with a machine cannot tell it is a machine, we should stop arguing about whether it thinks.

For decades this was the definition in popular culture. Today's chatbots comfortably fool people in casual conversation — and almost nobody thinks that settled anything.

Why not? Because it turned out the test measured something narrower than intended: the ability to produce human-sounding text. That is a real skill. It is not the same as general intelligence, and we only learned the difference by building something that had one without the other.

The moving goalposts problem

There is a pattern in this field so consistent it has a nickname — the AI effect. Once a machine can do something, we decide that thing did not require real intelligence after all.

This gets mocked as goalpost-moving, and sometimes it is. But there is an honest version too: each time, we genuinely learned that the task needed less general intelligence than we assumed. That is a real discovery, not just embarrassment. The trouble is it makes any fixed test unreliable as a definition of AGI.

5. The benchmark whose creators said no

Which brings us to the most revealing episode in the whole debate.

There is a family of tests called ARC-AGI — the letters stand for Abstraction and Reasoning Corpus, and the "AGI" is right there in the name. It was designed specifically to resist the problem above. The puzzles are meant to be easy for humans and hard to memorise, so a system cannot pass by having seen the answers.

In September 2026, OpenAI's GPT-6 Astra posted an extraordinary score on the latest version: 99.9%.

Headline material. Except two things came out immediately.

First, the score depended heavily on the setup. Run through OpenAI's own testing configuration it scored 99.9%. Run through the standard one, the same model scored 62.7%. Same model, same test, a 37-point gap depending on how it was wired up — and rival models were measured under different setups again.

Second, and far more interesting: the people who built the benchmark refused to call it AGI.

"We are not claiming that it is AGI."

ARC Prize Foundation

Sit with how unusual that is. An organisation builds a test with "AGI" in its name. A model nearly maxes it out. And the organisation immediately says: this does not mean what you think it means. They noted the puzzles have "deterministic, closed-ended mechanics" that do not represent real-world messiness.

The lesson buried in that

The people closest to the measurement were the quickest to say it did not prove AGI, while people with something to sell were quickest to say it might. That pattern repeats. When you see an AGI claim, check whether it comes from whoever built the measuring instrument or from whoever built the product — they very often disagree, and the gap tells you something.

I have written the full breakdown of that scoring dispute in the benchmark teardown, including why the harness matters more than the number.

6. The contract clause that quietly vanished

Now the part almost nobody has connected, and the reason this argument is not purely philosophical.

For years, "AGI" was not just a debating term for OpenAI. It was a word with legal consequences.

The original OpenAI–Microsoft partnership contained an unusual provision, generally called the AGI clause. In plain terms:

What the clause did

If OpenAI's board declared the company had built AGI, Microsoft's commercial licence to the technology would fall away. OpenAI would no longer be obliged to share it.

The reasoning was principled: if something that transformative was created, the arrangement governing it should not be an ordinary software licence. The clause existed to protect OpenAI's founding mission.

So declaring AGI would have triggered an enormous commercial consequence. That is a powerful reason to be careful with the word — and, in fairness, a genuine reason for restraint.

Now the timeline. These are three separate, documented events. The connection between them is my reading, and I will flag exactly where the interpretation starts.

WhenWhat happened
October 2025A recapitalisation adds a safeguard: any AGI declaration by OpenAI must be verified by an independent expert panel. The word still carries weight — it just cannot be claimed unilaterally.
27 April 2026The partnership is restructured. The AGI clause is removed entirely. The licence becomes non-exclusive and royalty-free, running to 2032.
3 September 2026At the GPT-6 Astra launch, OpenAI's president says: "Welcome to the AGI era."

Roughly four months separate the word losing its contractual teeth from the word appearing in a product launch.

Being careful about what this does and does not show

What is documented: the clause existed, it made an AGI declaration commercially consequential, and it was removed in April 2026. Brockman himself noted afterwards that AGI is now "not a relevant concept" contractually. Confirmed

What is not documented: that anyone removed the clause in order to free up the marketing language. There is no evidence of that, I am not claiming it, and the restructuring had obvious commercial drivers of its own — a non-exclusive licence is what let OpenAI put models on other cloud platforms. My inference only

What is fair to say: a word that used to cost something now costs nothing, and it started being used more freely once that was true. Whether that is cause or coincidence, you can decide — but you should at least know the sequence, because almost no coverage of "Welcome to the AGI era" mentioned it.

7. So where are we actually, today?

My honest read, stated plainly.

QuestionAnswer
Can today's best AI do many different things?Yes, genuinely and impressively
Can it do them reliably enough to trust unsupervised?Sometimes. Not consistently
Is it broader-minded than last year's model?Measured as roughly flat
Is it much better at completing tasks?Yes — that is the real 2026 change
Does it understand what it is doing?Unknown, and possibly unanswerable
Is that AGI?Depends which of the three definitions you picked

The most useful way to think about 2026's models is this: they became much better workers without becoming much broader minds.

A system that can operate real software for forty minutes unsupervised and produce a finished piece of work is a serious change to how work happens. That is true whether or not it deserves the letters AGI. And the letters, at this point, tell you more about who is speaking than about what was built.

8. Why any of this matters to a normal person

You could reasonably ask why you should care about a definitional squabble. Four reasons.

It changes what gets invested and built

"We are in the AGI era" is a sentence that moves money. Investment, hiring, and which products get built all shift on the belief. If the claim rests on the easiest of three definitions, that is worth knowing before anyone reorganises around it.

It changes how much you trust the output

If you believe a system is generally intelligent, you check its work less. That is exactly backwards for current systems, which are broad, fluent, and still wrong often enough that verification matters. Believing the marketing has a direct personal cost — the confident wrong answer you did not check.

It shapes regulation

Laws are being written now, using a term with no agreed meaning. A rule that triggers "when AGI is reached" is a rule that triggers whenever someone with an interest decides to say so.

It is a reasoning skill you can reuse

The habit here — which definition, whose measurement, what would falsify it — works on almost every technology claim you will meet. AGI is just the loudest current example.

9. Frequently asked questions

What does AGI stand for?

Artificial General Intelligence. The "general" is the important word — it means an AI that can handle almost any mental task, rather than being built for one narrow job like playing chess or spotting spam.

Do we have AGI in 2026?

It depends which definition you use, and that is the honest answer rather than a dodge. Under the capability definition — matching humans across the full range of thinking — no, and independent measurement shows general intelligence roughly flat versus the previous generation. Under the economic definition — doing most economically valuable work — it is arguable, and that is the definition OpenAI's leadership used. Under a benchmark definition, it depends on the benchmark and even on the test configuration.

What is the difference between AI and AGI?

AI is the broad category — any system doing something that looks like thinking, including your spam filter and your satnav. AGI is a specific, currently hypothetical level within it: an AI general enough to handle almost anything a person can, including tasks it was never prepared for.

Is ChatGPT AGI?

No, under the strict capability definition. It is remarkably broad — it will attempt almost any request — but breadth is not the same as reliability, and it fails in ways a person generally would not, including being confidently wrong about things it appears to know.

Who decides whether we have reached AGI?

Nobody, officially, and that is the core problem. There is no regulator, no agreed test and no neutral authority. In practice the people making the claim are usually the people selling the technology, while the organisations that build the measurements have been noticeably more cautious.

What was the Microsoft AGI clause?

A provision in the original OpenAI–Microsoft partnership under which, if OpenAI's board declared it had built AGI, Microsoft's commercial licence would fall away. It made the word contractually consequential. An October 2025 recapitalisation added independent expert-panel verification for any such declaration, and the April 2026 restructuring removed the clause entirely.

Why did ARC Prize say their benchmark isn't AGI?

Because they were being careful about what their own test measures. They noted the puzzles have deterministic, closed-ended mechanics that don't represent real-world complexity, so a high score demonstrates a specific capability rather than general intelligence.

Is AGI dangerous?

The serious debate is real and beyond this article's scope. Worth noting though: the more immediate documented risks come from systems well short of AGI — the same 2026 model flagged as possibly AGI-era was also the first classified at a "Critical" cybersecurity threshold by its own maker. Capability and generality are separate axes, and the narrow one is already causing incidents.

How will we know when AGI actually arrives?

Probably not through an announcement. If the economic definition is the one that ends up mattering, it will look like a gradual change in how work is organised, visible in hindsight rather than declared on a stage. Be sceptical of any single moment presented as the threshold.

The one thing to take away

If you remember nothing else from this article, remember the question:

"Which definition of AGI are you using?"

Ask it whenever you see the claim. It is not pedantry — it is the entire argument compressed into six words. And the fact that it so reliably ends the discussion tells you how much of the debate was ever really about the technology.

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Jayant Solanki

I'm Jayant Solanki — an SEO, GEO and automation strategist working with eCommerce, local-service and global brands. Most of my work is the same discipline this article uses: check the definition, check who measured it, check what would count as being wrong.

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Jayant Solanki

Jayant Solanki

AI-Ready SEO, GEO & AIO strategist based in Indore, India. I write explainers that define their terms, label their evidence, and say plainly where the argument stops being factual and starts being interpretation.

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