Source-labeled
Mr. Musk posted on March 28, 2025, that xAI had acquired X. SpaceX said on February 2, 2026, that it had acquired xAI. The June 2026 prospectus states those effective dates and an 82.4 percent voting stake. Tesla's October 19 proxy is a separate 19.8 percent.
Source-labeled
The announcing post describes Grok-1 and a 33 billion parameter Grok-0. The open-release post says Apache 2.0, 314 billion parameters, and a pretraining run that concluded in October 2023. The company timeline dates that release to March 17, 2024. Later model posts carry their own dates where the article prints one.
Breaking, source-labeled
On October 4, 2026, Mr. Musk said SpaceXAI would become SpaceXSI and gave no date. On October 19, @spacexai was not found and @SpaceXSI displayed as SpaceX Super Intelligence. A company blog post of the change was not retrieved.
Breaking, source-labeled
CEO posts about Grok Bot speed, shopping, a card screenshot, phone reservations, and a SpaceX reimbursement line. User anecdotes stay user anecdotes. None of this is a benchmark or a security review.
Breaking, source-labeled
Axios published Musk's interview with Walter Isaacson on Oct. 17, 2026, before the episode. A Kaleidoscope release on Oct. 20 says the series debuted that day. The quotations below are still Mike Allen's. The audio was not opened.
Curated directory
Official xAI channels and site — primary for Grok and compute announcements.
Source-backed expansion
Source-backed map of xAI, Grok product claims, model race positioning, Colossus dependency, and brand/entity notes.
Source-backed expansion
Source-backed tracker for Colossus, GPU/power claims, and the AI infrastructure race around xAI and partner capacity.
Source-backed expansion
Company hub for xAI / Grok / Colossus — product map, Musk role, and infrastructure claims with source labels.
Source-backed expansion
OpenAI, ChatGPT, xAI, Grok, Colossus, Claude, compute, lawsuits, safety, and the fight over the future of AI.
Source-backed summary
On February 2, 2026, SpaceX said it acquired xAI and argued that orbital data centers are the way to scale AI compute, with a worked example of 100 GW added per year.