The name the former xAI has carried since October 2026, inside SpaceX. See SpaceXAI. Chapters 7, 9.
From The AI Compute Race. Read the book
Where the book uses it
- Chapter 7 — The Double Blockade
Two governments deciding one trade: Washington’s export rules and Beijing’s instructions at the border, and what each did to the chip business it meant to shape.
- Chapter 9 — The Price of Permission
Who gets to say yes or no to a campus: counties, air regulators, courts and legislatures, and what their permits, abatements and refusals cost in time and money.
Where the record uses it
- Person Musk, Elon
Sources that use it
- SpaceX (xAI), “What is The X Subscription” and “Cursor Token Rate,” docs.x.ai, pages marked last updated 12 and 11 October 2026, as served 15 October 2026 (“New customers, including anyone with only a free X account, start on The X Subscription”; “Grok and Cursor share a weekly included usage pool”; “Teams on The X Subscription pay a Cursor Token Rate of $0.25 per million tokens on third-party model requests. The rate applies on top of the model’s API pricing.”; “First-party models, including Grok and Composer, are exempt.”; the seller’s own documentation; the pages give no launch date; each page titled “SpaceXSI Docs”). In the Sources
- Elon Musk (@elonmusk), two posts on X, 4 October 2026 (at 1:40 a.m. Pacific time, in three lines: “No more AI”, “SI”, “It’s better”; at 2:07 a.m., in reply to a user asking “Any possibility of renaming to SpaceXSI??”: “Yes, we will make that change”; the posts as served 20 October 2026, with the replies beneath them). In the Sources
- The Information, “Musk to Change SpaceXAI’s Name to SpaceXSI,” item 2 of The Information AM, 5 October 2026, and The Briefing of 4 October 2026 (“Elon Musk will change the name of SpaceX’s AI unit, SpaceXAI, to SpaceXSI, he said in a post on X on Sunday, adopting President Donald Trump’s preferred name for AI”; the newsletters as received by email). In the Sources
Related terms
From the glossary of The AI Compute Race.
How to cite this page
Dryburgh, Lee S. “SpaceXSI.” In The AI Compute Race. DRYBURGH. https://dryburgh.com/vol1/glossary/spacexsi (accessed 2026-11-01).
BibTeX
@misc{dryburgh-spacexsi-2026,
author = {Dryburgh, Lee S.},
title = {{SpaceXSI}},
howpublished = {In \emph{The AI Compute Race}, DRYBURGH},
year = {2026},
url = {https://dryburgh.com/vol1/glossary/spacexsi},
note = {Accessed 2026-11-01}
}