Who Owns Grok AI?

Overview

Grok AI was developed by xAI, the artificial-intelligence company Elon Musk led. The current corporate owner is SpaceX: SpaceX acquired X.AI Holdings Corp. on February 2, 2026, and the company became a wholly owned SpaceX subsidiary. Grok is offered through the xAI/SpaceXAI business; the consumer service terms name SpaceXAI LLC as the service provider. Musk is a major executive and shareholder in the companies involved, but that is not the same as saying he personally owns Grok outright. (spcx-20260630; # Certain Relationships and Related Person Transactions; Terms of Service - Consumer | SpaceXSI)

Who owns Grok AI?

The short answer to “what company owns Grok AI?” is SpaceX, through its wholly owned subsidiary X.AI Holdings Corp. and the xAI corporate group. xAI created Grok; SpaceX later acquired xAI’s holding company. The consumer terms identify SpaceXAI LLC—using “SpaceXSI” as the service name—as the company contracting with users of the standalone Grok service. These names refer to different levels of the corporate and product structure, not competing answers to who owns Grok. (spcx-20260630; Terms of Service - Consumer | SpaceXSI)

The SEC describes X.AI Holdings Corp. as a wholly owned subsidiary of SpaceX. A Canadian privacy regulator independently reports that SpaceX became X.AI Holdings’ direct parent in February 2026. The simplified diagram below shows the parent relationship; it is not a complete legal-entity chart. (spcx-20260630; PIPEDA Findings #2026-004: Commissioner-initiated complaints concerning X Corp.’s and X.AI LLC’s compliance with PIPEDA - Office of the Privacy Commissioner of Canada)

Elon Musk’s role: leadership is not the same as direct ownership

Elon Musk led xAI from its start: a Tesla SEC filing records that he served as CEO and a board member of X.AI Corp. from March 2023, then as an executive and board member of X.AI Holdings after the 2025 merger. A separate SEC filing describes him as an executive officer, director and/or significant shareholder of SpaceX, X and xAI. Those records support describing Musk as a central leader and significant investor; they do not establish that he is Grok’s sole personal owner. (tm267596-1_nonfiling - none - 10.7254379s; # Certain Relationships and Related Person Transactions)

The distinction matters because a product can be associated publicly with its founder while its legal ownership belongs to a corporation and its subsidiaries. Here, the documented corporate parent is SpaceX, while Musk’s personal ownership interest is through his shareholding in the corporate structure—not a separately disclosed personal title to the Grok product.

How Grok’s ownership changed

xAI introduced Grok in November 2023. The company’s announcement described Grok-1 as a language model developed by xAI. In March 2025, xAI and X were combined under X.AI Holdings, with the X and xAI businesses becoming subsidiaries within the same parent structure. SpaceX completed its acquisition of X.AI Holdings on February 2, 2026. The two corporate transactions explain why older articles may say xAI owns Grok while newer records identify SpaceX as the ultimate corporate parent. (Announcing Grok | SpaceXAI; spcx-20260630)

Grok on X and standalone Grok

Grok’s close integration with X can make it seem as though X itself owns the AI. The corporate structure and the product experience are separate questions. The Office of the Privacy Commissioner of Canada describes Grok on X as a chatbot feature provided by X Corp, the @Grok account as operated by xAI, and the standalone Grok app and website as operated by xAI. It classifies them as distinct offerings with differences in integration, features and user experience. Since the 2026 acquisition, they sit within SpaceX’s wider corporate group, but the standalone Grok service and X’s platform remain separately provided products. (PIPEDA Findings #2026-004: Commissioner-initiated complaints concerning X Corp.’s and X.AI LLC’s compliance with PIPEDA - Office of the Privacy Commissioner of Canada)

That separation has practical consequences. The regulator says Grok on X is governed through X’s service, while the standalone service is associated with xAI’s account and service arrangements. Users should check the terms and privacy policy for the specific version they use rather than assuming that corporate common ownership means identical policies or functions. (Terms of Service - Consumer | SpaceXSI; PIPEDA Findings #2026-004: Commissioner-initiated complaints concerning X Corp.’s and X.AI LLC’s compliance with PIPEDA - Office of the Privacy Commissioner of Canada)

Company ownership is different from ownership of Grok’s outputs

Ownership of Grok as a product does not automatically mean the company owns every answer a user generates. The consumer FAQ says users own their inputs and outputs, while granting SpaceXAI certain use rights under its terms. Separately, the company’s brand guidelines state that it owns rights in the Grok name and branding. These are different kinds of rights: corporate ownership concerns the business and product, while content terms govern user-submitted material and generated outputs. (Consumer FAQs | SpaceXSI; Brand Guidelines | SpaceXSI)

Bottom line

Grok AI is an xAI-developed product within SpaceX’s corporate group. SpaceX owns X.AI Holdings Corp., which became its wholly owned subsidiary in February 2026; SpaceXAI LLC is the contracting entity named in standalone Grok’s consumer terms. Elon Musk led xAI and holds significant roles and shareholdings, but the documented owner of the Grok business is the SpaceX corporate group—not Musk as a sole individual owner.