x.ai

xAI · The company behind Grok, now part of SpaceX

Independent listing. aidomaindata is not affiliated with xAI.

Live product AI labs and models AI lab Assistant API
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What it is

xAI makes Grok, an AI assistant built into X and also available as its own app, and sells access to its models to developers through an API. SpaceX acquired xAI in February 2026.

Company xAI Founded 2023 HQ United States Founders Elon Musk Owned by SpaceX (since Feb 2026)

How it's doing

$250B
xAI's value in the SpaceX deal
Feb 2026 · Reuters
$1.25T
Combined company's value
Feb 2026 · Reuters
1 letter
Domain length
One of 36 possible

Launches and key moments

The domain story

  • 1One of the scarcest names in .ai. Only 36 single-character .ai names are possible (a–z and 0–9). The name has been on record since December 2017 or earlier, years before xAI was founded in 2023, which suggests it was bought from a previous owner.
  • 2It has registry-level locks. On top of the usual registrar locks, the registry itself blocks deletion, transfer and changes. That's the strongest protection a domain can have.
  • 3It changed registrar after the SpaceX deal. The name moved to MarkMonitor in June 2026, four months after SpaceX acquired xAI.

Sales history

No public sales on record. No sale of this name has been publicly reported. If you have a reliable source for one, email hello@aidomaindata.com. See recent .ai domain sales.

Questions about x.ai

What is xAI?
xAI makes Grok, an AI assistant built into X and also available as its own app, and sells access to its models to developers through an API. SpaceX acquired xAI in February 2026.
Who owns x.ai?
The public registry record doesn't name the owner (hidden by the registrar's privacy service). The domain runs xAI, from xAI.
When was x.ai registered?
The .ai registry shows it on record since December 2017 or earlier. Many older .ai names show that date because it appears to be when the registry's current records begin, so the name may be older.
When does x.ai expire?
The registry record, checked 8 Nov 2026, shows an expiry date of 15 Sep 2029.
How much is xAI worth?
xAI's latest reported valuation is $250B (Feb 2026), according to Reuters, via Yahoo Finance. For information only, not financial advice.
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Sources

  1. Reuters, via Yahoo Finance: SpaceX acquires xAI in record-setting deal
  2. Domain record: the .ai registry (RDAP), checked 8 Nov 2026
  3. Public DNS checked 8 Nov 2026
  4. "What it is", "The domain story" and the answers above are written by aidomaindata from the sources listed

Independent listing, not affiliated with or endorsed by xAI. Company names are used only to identify them. Funding and valuation figures are for information only, not financial or investment advice. Spot a mistake, or represent xAI and want something changed? Email hello@aidomaindata.com and we'll review it within two working days.

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