AI Is Now SI: The Executive Order and the .si Domain Rush

AI summary

On 22 September 2026 President Trump told the UN that US documents would call AI "super intelligence", or SI. A State Department bureau switched the same day.
On 29 September he signed an executive order telling federal agencies to use "Super Intelligence", and AI leaders signed a voluntary safety accord at the White House.
Daily .si registrations jumped to about 3,700, more than the registry used to see in a month, and the total passed 220,000.
Most new .si names are speculation. The ones worth owning are plain words whose .com and .ai are already taken, and that aren't someone else's brand.

What happened between 22 and 29 September

It started at the United Nations. On 22 September 2026, in his General Assembly speech, President Trump said the word "artificial" makes intelligence sound fake, and that the US would use the term "super intelligence", or SI, in its official documents.

The State Department didn't wait. Its Bureau of International Organization Affairs sent staff an email titled "Change in Nomenclature AI to SI". According to the Associated Press, it read: "Following the president's remarks at the GA today, please change all references of 'Artificial Intelligence' to 'Super Intelligence' in our documents and positions." It added that SI would be used in "all remarks, positions and press elements moving forward".

A week later it became policy. On Tuesday 29 September, Trump signed an executive order that makes "Super Intelligence" the federal government's term for what it used to call AI, and it applies directly to executive branch agencies. The order says the term "more appropriately captures the promise, potential, and rapidly advancing capabilities of these technologies."

The same day, leaders of the biggest AI companies signed the White House Accord on Super Intelligence, a voluntary pledge to run internal safety checks. It isn't binding, and that's drawn criticism: Senator Richard Blumenthal called it "worse than ineffectual" at a Senate hearing the next day.

What it did to the .si domain

.si is Slovenia's country domain, and it suddenly spelled the new abbreviation. Domain buyers noticed fast.

Registrations jumped. After the 22 September speech, daily .si registrations climbed to roughly 3,700. That's more than the registry used to see in a whole month, around 3,500 in August. The total number of .si domains has passed 220,000.
.si overtook .ai. Since the speech, more .si than .ai domains have been registered every day, according to an analysis by the Austrian host Domaintechnik.
The registry is calm about it. Register.si describes a "strong but stable increase" in demand and says revenue per domain is small.
Real companies are buying too. The AI start-up Recursive paid $20,000 for recursive.si.

There's a darker side. Security firm Netcraft found that more than 44,000 .si domains share a name with an existing .ai domain. Because the S key sits next to the A key, a .si look-alike is one typo away from a real AI service, and Netcraft warns criminals can use that for phishing. It also found that about 52% of .si names registered through one big US registrar were put up for sale soon afterwards.

What it means if you're thinking of buying a .si

Three honest points before anyone spends money.

Nobody knows if "SI" will stick. The order covers US federal agencies. Whether companies, journalists and everyday users follow is a different question, and it'll take months to answer.
Supply is huge now. With more than 220,000 .si names registered, most of them by speculators, the average .si won't sell for much. Price expectations should match that.
Value sits in a small group of names. Plain words and phrases that a business would actually use, whose .com and .ai are already taken, have a real case. Copies of other companies' brands don't, and they can cost you the domain in a dispute.

A quick test for any .si name

Before buying a .si, ask three questions:

Are the .com and the .ai already taken or listed for a lot of money? If the .com is free, buy that instead.
Is it a plain word or phrase, not one company's brand? If a single business owns the name, leave it alone.
Do people search for the words, or would a business build on them? A name nobody types is hard to sell.

The full checklist, with free tools for each step, is in the guide How to choose a .si domain when the .com and .ai are taken.

Names from this store that pass the test

aiprompts.siHome for the words that make models useful.$5,500 webbrowser.siThe category name for browsers that think and act for you.$5,000 aimarket.siThe storefront name for the agent and model economy.$4,500 evcharging.siCharging, routed and priced by smarter software.$4,500 aivideoeditor.siThe category name for an AI product that a lot of people are already searching for.$5,000 liedetector.siTruth checks for an internet full of synthetic media.$3,000

Questions

Is "SI" now the official US term for AI?

For federal executive agencies, yes. The executive order signed on 29 September 2026 tells them to use "Super Intelligence" or "SI". It doesn't bind companies or the public.

Can anyone register a .si domain?

Yes. You don't need to live in or have a company in Slovenia, and you can register a .si for a single year. The registry does require the holder's details to be accurate and to match their ID.

Should I buy the .si version of a famous AI brand?

No. A .si that copies another company's name invites a dispute you'd probably lose, and look-alikes are exactly what security researchers flag as phishing risks. Stick to plain, generic words.

Did .si domains get more expensive?

Registration prices didn't change much, but demand did. Good generic names are now mostly taken, so the best ones are bought from their owners rather than registered new.

Sources

The Hill (Associated Press report): Diplomats ordered to use 'super intelligence' instead of 'artificial intelligence', 24 September 2026
Euronews: 'Artificial' is out, Trump orders officials to call it 'super intelligence' instead, 24 September 2026
Fox News live coverage: Trump renames AI to 'Super Intelligence' as AI leaders sign safety agreement, 29 to 30 September 2026
The Deep Dive: A typo and a Slovenian domain rush overshadow Trump's 'Super Intelligence' rebrand, 30 September 2026
Trending Topics: Trump's 'Super Intelligence' sparks a rush on .si domains, September 2026
Blue News: Trump triggers a global rush on Slovenian internet domains, September 2026

This post was researched and drafted with AI help from the sources above, then checked by me before publishing. Facts are as reported on the dates shown.