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Company profile · documentation reviewed 2026-10-02

xAI / SpaceXAI

xAI is the discoverable name of the AI developer behind Grok; its official website now presents SpaceXAI following the February 2, 2026 SpaceX acquisition announcement. The organization should not be described as unchanged since its July 2023 public introduction. Grok names models and an assistant, while the product navigation distinguishes Grok Build for coding, Grok Bot for ongoing agents, Imagine for image and video tooling, and Voice for speech. Grok 4.7 was announced September 21 with launch routes through Cursor, Grok Build and the API; those routes do not establish identical access in every app or plan. Developers can evaluate API integration separately from X-linked consumer workflows. The January 2026 reported audience of approximately 600 million monthly active users spans X and Grok apps combined, not Grok alone. No separate Grok-only MAU was established. January's statement that Grok 5 was in training remains historical, without a verified October development status or release date.

Identity and history

2023 — Official retrospective dates the public company announcement to July 2023; that is not established as its legal incorporation date. Founding source

  1. xAI publicly announced

    Official retrospective dates the company announcement to July; no exact incorporation day is established.

    Primary source

  2. Grok introduced

    Public introduction of Grok.

    Primary source

  3. SpaceX acquisition announced

    SpaceX acquisition of xAI announced; the current official site presents SpaceXAI.

    Primary source

  4. Grok 4.7 announced

    Launch availability was specified in Cursor, Grok Build and the API.

    Primary source

Products, models and their relationships

The kind labels distinguish an application or service from a model family. Availability and entitlements differ across these surfaces.

Who uses it, and what the numbers mean

  • Developers and coding teams evaluating the Grok API or Grok Build, with launch route, model access and integration permissions checked for their workflow.
  • Consumers evaluating conversational or X-linked Grok workflows, without treating X membership as Grok adoption or assuming every agent product has the same access.

These are dated vendor-reported figures. Populations and units differ; this is not a market-share ranking.

Approximately 600 million Monthly active users across X and Grok apps combined

· Combined X and Grok-app audience reported by xAI.

Not Grok-only MAU; no separately deduplicated Grok population established. Grok-only MAU is unavailable in this research.

Original metric and context

Announced direction

Availability statements apply to the dated announcement and its specified audience. An intention is not proof that a feature later shipped.

  • 2026-09-21 · available

    Grok 4.7 launch access included Cursor, Grok Build and the API; this is the current verified release in the supplied research.

    Announcement or documentation

  • 2026-01-06 · historical

    The January announcement said Grok 5 was in training. That older statement supplies neither October status nor a release date.

    Announcement or documentation

Sources, unknowns and review scope

Documentation-based editorial profile, checked . Products were not hands-on tested; company claims and announced plans were not independently audited.

  • Grok-only MAU was not established; the combined X and Grok figure must not serve as a Grok-only adoption total.
  • October Grok 5 development status and a future release date were not established.
  • The July 2023 public introduction is not a verified incorporation date.
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