The vocabulary moved
Artificial intelligence is now a commodity phrase on every pitch deck. The frontier talks about something else: superintelligence. Some of the best-funded labs in the world already carry the word in their names.
Premium domain · Available now
xyl.si is for sale.
Three letters. One network.
01 — The extension
.ai was the warm‑up.
.ai was the warm‑up.
.si is what comes next.
The .ai precedent
.ai is the country code of Anguilla. It became the default address of an entire industry simply because it spelled the right two letters. .io did the same for developers. When a country code reads as a word, the market follows.
Early is everything
.si is the official extension of Slovenia, a stable EU registry. The short, pronounceable names are a finite pool, and they go first. The people who bought good .ai names early did not regret it.
2010s.io becomes the address of developer tools
2020s.ai becomes the address of AI companies
Next.si becomes the address of superintelligence
02 — The name
Why Xyl.
Xyl
Say itZILE/zaɪl/
Length3 letters+ .si
Reads asXyl SIXyl SuperIntelligence
From the Greek xylon. Xylem is the living network inside every plant that carries water from the roots to the highest leaf. A distribution system that scales from a seedling to a redwood. That is a pretty good description of a superintelligent platform.
Three letters
Three-letter names are the rarest, most liquid asset class in domains. There are only 17,576 possible combinations in any extension, and the good ones never come back.
The X factor
X reads as frontier, unknown, experimental. Paired with a Y and an L it becomes a word with a real root, not an acronym.
Logo-ready
Symmetric letterforms, strong silhouette. Xyl works as a wordmark, an app icon and a CLI command without changing a thing.
Built for
- Agent networks
- Developer infrastructure
- Data pipelines
- Robotics
- Climate & bio AI
- Protocol / token
03 — In the wild
Picture it on day one.
XylResearchProductCareers
Intelligence,
beyond.
beyond.
Get early access
~ terminal
$
Xyl SI
04 — The deal
Simple, safe, yours.
xyl.si
$159,000
Asking price in USD. Serious offers are welcome and every one gets a personal answer.
- Full ownership, transferred to your registrar
- Secure payment through a trusted escrow service
- Clean history: never used, no backlinks to inherit
- Ready to point anywhere the day it lands
- 01
Send your offer
Use the form below. A number and two lines about your project are enough.
- 02
Agree on terms
We reply personally, usually fast. No brokers, no auctions, no games.
- 03
Pay through escrow
Funds are held by a neutral escrow service until the domain is in your account.
- 04
Take the keys
We push the domain to your registrar. You point it, you launch, you own it.
05 — Make it yours
Own xyl.si
Own xyl.si
before someone else does.
Tell us who you are and what you would build. Offers and questions go straight to the owner.
Asking$159,000
06 — The collection
More names for the SI era.
tenso.si
The math of intelligence, five letters long.
$249,000
enza.si
The last four letters of intelligenza.
$189,000
xyl.si
Three letters. One network.
$159,000
zyo.si
Short enough to shout. Strange enough to own.
$139,000
jyx.si
Three letters with nothing left to explain.
$129,000
qyo.si
A quantum letter with a Japanese soul.
$119,000
ulyx.si
The original autonomous agent.
$109,000
jyra.si
Spin, balance, orbit.
$89,000