Nametastic
AI domain name generator

AI & Superintelligence Domain Names

Describe your AI product. Get brandable .ai and .si domains that are still available, checked live.

Two Extensions That Say What You Build

.ai is Anguilla's country code and .si is Slovenia's. Neither was created for the industry, but both are now read as a statement: .ai as artificial intelligence and, since September 2026, .si as superintelligence. Describe what you are building and Nametastic suggests brandable names on .ai, .si and .com, then checks each one live, so you only see names you can register today.

After years of demand, the short .ai names are mostly gone. .si is at the other end: the Slovenian registry recorded 46,066 new domains in September 2026, up from 3,515 in August, and plenty of short names are still free. Mention AI, agents or superintelligence in your description and .si is included automatically.

.ai: the established signal

Customers and investors already read .ai as 'AI company'. It costs several times more than a .com, and most short names are taken.

.si: the new option

Slovenia's country code, open to anyone since 2008 and now read as 'superintelligence'. Far more names are free, and far fewer people recognise it yet.

Checked at the source

Every name is checked before you see it. .si lookups go straight to the Slovenian registry, so a name shown as free is free.

5 Rules for Choosing an AI or SI Domain

  1. Take the .com First if You Can

    If the .com is free at a normal price, register it. .ai and .si work best next to the .com, or as the main address when the .com is gone.

  2. Make the Name Work Without the Extension

    A name that only makes sense with .ai or .si on the end is fragile. Labels change: 'SI' is only weeks old as a term, and a strong name survives a change of wording.

  3. Keep It Short

    Aim for under 12 characters before the dot. Short names are easier to say, type and remember, and on .si many of them are still available.

  4. Check Who Owns the Other Extensions

    If someone else holds the .com and the .ai of the same name, part of your traffic and email will go to them. Look before you buy the .si.

  5. Compare First-Year and Renewal Prices

    .ai renewals are often higher than the first-year price. .si is priced by each registrar, and some of the largest registrars do not sell it at all.

Name Styles That Work on .ai and .si

Invented Words

Lumora, Veltic, Corvia, Nexora, Solvanta, Thrynn

Mind and Reasoning

Deepreason, Mindforge, Cognara, Thinkwell, Inferra, Reasonly

Agents

Taskpilot, Agentry, Delegata, Runwise, Opsmate, Handoff

Research Labs

Northfield, Axiom Frontier, Meridian, Longview, Clearwater, Highmark

Infrastructure

Tensorgrid, Modelbay, Inferstack, Computewell, Vectorline, Promptforge

Short Human Names

Mira, Otto, Juno, Sage, Remy, Nova

Frequently Asked Questions

.si is Slovenia's country-code extension. Since late September 2026, when the US government began using 'SI' (super intelligence) in place of 'AI', it is also read as 'superintelligence'. Anyone can register one; you do not need a Slovenian address or company.

No. .si registrations jumped in September 2026, but .ai is still the extension most people associate with AI. Many brands register both and use one as the main address.

Choose .ai if recognition matters most and the name you want is available at a price you accept. Choose .si if the name is gone on .com and .ai, or if you want a short name while they are still free. If the .com is available, take it first.

The extension is not a ranking factor. Google treats .ai as a generic extension rather than as a signal for Anguilla. Whether .si gets the same treatment is not yet known, so it may still be read as targeting Slovenia.

A .ai domain typically costs $50-150 a year depending on the registrar, and renewals can be higher than the first year. .si is priced by each registrar; in October 2026 we saw about €11 a year. Always compare the renewal price before you buy.

They show naming styles, not availability. Run a search to get names for your own product: every result is checked live, and you only pay a registrar if you decide to buy one.

More name generators