Tesla
tesla.com
Electric car, battery and energy company, now also building robotaxis, the Cybercab and the Optimus humanoid robot.
xAI / Grok by Elon Musk
AI lab that builds the Grok family of large language models; acquired by SpaceX in 2026.
Visit xAI / Grok ↗About xAI / Grok
AI lab that builds the Grok family of large language models; acquired by SpaceX in 2026. xAI / Grok is a ai builders product built by indie maker Elon Musk, launched in 2023. xAI / Grok has since been acquired.
- Status
- Acquired
- Launched
- 2023
- Category
- AI Builders
- Website
- x.ai
More products by Elon Musk
SpaceX
spacex.com
Rocket and spacecraft company behind Falcon 9, Dragon and Starship; since February 2026 also the parent of xAI and X.
Starlink
starlink.com
SpaceX's satellite internet service, using thousands of low Earth orbit satellites.
The social network formerly known as Twitter, bought by Musk in 2022 and now part of the xAI/SpaceX group; X Money payments began rolling out in the US in 2026.
Neuralink
neuralink.com
Brain-computer interface company whose Telepathy implant lets paralysed patients control computers with their thoughts.
The Boring Company
boringcompany.com
Tunnel-building company behind the Las Vegas Convention Center Loop.
Online payments company that grew out of his X.com, sold to eBay in 2002.
xAI / Grok FAQ
What is xAI / Grok?
xAI / Grok is a ai builders product: AI lab that builds the Grok family of large language models; acquired by SpaceX in 2026.
Who made xAI / Grok?
xAI / Grok was made by Elon Musk, Founder or CEO of Tesla, SpaceX (now including xAI and X), Neuralink and The Boring Company. It launched in 2023. Elon Musk has also built Tesla, SpaceX, Starlink, X.
Is xAI / Grok still active?
xAI / Grok has been acquired. It is no longer owned by Elon Musk, who built it as an indie maker.
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