AI company
xAI (SpaceXSI)
xAI is the AI developer behind the Grok models, the Grok API and the Grok Build coding agent. SpaceX announced on 2 February 2026 that it had acquired xAI, and the business now presents itself as SpaceXSI, operated by SpaceX Super Intelligence LLC. Its current frontier text model is Grok 4.7, released in September 2026.
Last reviewed 28 Oct 2026
Facts at a glance
| Type | AI model developer, part of SpaceX |
|---|---|
| Founded | 2023 |
| Ownership | Acquired by SpaceX, announced 2 February 2026 source |
| Legal name on website | SpaceX Super Intelligence LLC source |
| Main products | Grok models, Grok API, Grok Build, Grok Bot, Grok Voice and Grok Imagine source |
| Latest model covered here | Grok 4.7, 21 September 2026 source |
Questions people ask
- Who owns xAI?
- SpaceX. xAI's newsroom states that SpaceX announced its acquisition of xAI on 2 February 2026, and the website now uses the SpaceXSI name.
- What is xAI's latest model?
- Grok 4.7, released on 21 September 2026 for coding, agentic tasks and knowledge work, with a 500,000-token context window in the API.