SpaceXAI (formerly xAI)
Scale compute (Colossus, a reported million-H100-equivalent cluster; orbital data centers cited as the merger's main goal) and pair Grok with Cursor's coding product to build the most useful coding and knowledge-work agents.
- Founded
- July 2023
- Headquarters
- Memphis, TN (Colossus) and Palo Alto, CA
- Founders
- Elon Musk
- Now
- Renamed SpaceXAI (2026-05). Over 50 researchers left after the merger, including most co-founders; pre-training team down to a handful (The Information, via TechCrunch). Cursor acquisition for $60B closed 2026-08-14.
Key people
- Elon Musk
- Michael Nicolls (president, since 2026-04, reported)
Funding
- 7 October 2026 reported
- Amount
- $40 billion, reported and not yet confirmed
- Lead
- Apollo Global Management
- 2 February 2026
- Amount
- All-stock acquisition by SpaceX
- Valuation
- xAI $250B; combined SpaceX-xAI $1.25T
- Lead
- SpaceX
Every funding round in the atlas
Latest launches
- Grok 4.7 xAI · 21 September 2026
Grok 4.7, xAI's current flagship, ships a month after 4.6 at the same $2/$6 price with a 500K context and xhigh reasoning effort. - SpaceX completes Cursor acquisition SpaceX / Anysphere (Cursor) · 14 August 2026
SpaceX closes the $60B Anysphere deal; Cursor becomes a wholly owned subsidiary inside the new SpaceXAI unit, and Grok 4.6 ships in Cursor. - Grok 4.6 xAI · 12 August 2026
Grok 4.6, tuned for long-running agents, scores 61 on the Artificial Analysis Intelligence Index, level with GPT-5.6 Sol, at unchanged $2/$6 pricing. - Grok 4.5 xAI · 8 July 2026
Grok 4.5, trained with Cursor, targets coding and agents. It scores 64.7% on SWE-Bench Pro and 83.3% on Terminal-Bench 2.1, at $2/$6 per million tokens. - grok-imagine-video-1.5 xAI · July 2026
Grok Imagine video 1.5 supports text, image and reference-to-video with native 1080p, priced at $0.08 per second in the API. - SpaceX agrees to buy Cursor for $60B SpaceX / Anysphere (Cursor) · 16 June 2026
SpaceX exercises its option and signs an all-stock definitive agreement to acquire Anysphere for $60B, the largest startup acquisition on record. - Grok 4.3 xAI · 30 April 2026
Grok 4.3 adds native video input and a 1M context while cutting API price to $1.25/$2.50 per million tokens. - SpaceX-Cursor partnership and $60B option SpaceX / Anysphere (Cursor) · 21 April 2026
SpaceX announces a Cursor partnership with an option to buy it for $60B later in 2026, or pay $10B for the joint work.
Launches by year
28 launches and papers since 4 November 2023, oldest first within each year.
- 2026 11
- Colossus 2 (first gigawatt-scale training cluster), Grok Imagine API, Grok 4.20 (beta) and Multi-agent, SpaceX-Cursor partnership and $60B option, Grok 4.3, SpaceX agrees to buy Cursor for $60B, grok-imagine-video-1.5, Grok 4.5, Grok 4.6, SpaceX completes Cursor acquisition, Grok 4.7
- 2025 10
- Grok 3 and Grok 3 mini (Think, DeepSearch), Grok 3 API, Grok 4 and Grok 4 Heavy, Grok Imagine, Grok 2.5 open weights, grok-code-fast-1, Grok 4 Fast, Grokipedia v0.1, Grok 4.1, Grok 4.1 Fast and Agent Tools API
- 2024 6
- Grok-1 open weights, Grok-1.5, Grok-1.5V, Grok-2 and Grok-2 mini, Colossus (Memphis, phase 1), Aurora
- 2023 1
- Grok (Grok-1)
People moves
Of the moves the atlas tracks, 0 joined and 9 left.
- Ross Nordeen 6 May 2026
xAI to Anthropic
Founding member of xAI; ex-Tesla - Ross Nordeen 27 March 2026
xAI to unknown
xAI co-founder; Musk's right-hand operator - Manuel Kroiss 25 March 2026
xAI to unknown
xAI co-founder; led pretraining - Guodong Zhang 12 March 2026
xAI to unknown
xAI co-founder; head of Grok Imagine and Grok Code - Zihang Dai March 2026
xAI to unknown
xAI co-founder; member of technical staff - Jimmy Ba 10 February 2026
xAI to unknown
xAI co-founder; University of Toronto professor - Tony (Yuhuai) Wu 9 February 2026
xAI to unknown
xAI co-founder; led reasoning - Toby Pohlen February 2026
xAI to unknown
xAI co-founder - Greg Yang January 2026
xAI to unknown
xAI co-founder
Sources
- cnbc.com/2026/02/03/musk-xai-spacex-biggest-merger-ever.html
- techcrunch.com/2026/05/14/elon-musks-spacexai-has-been-bleeding-staff-since-its-merger/
- 9to5mac.com/2026/08/14/spacex-lands-deal-to-likely-purchase-claude-code-and-openai-codex-c
- newsletter.semianalysis.com/p/the-future-of-meta-superintelligence
- x.ai/news/grok-4-7
- en.wikipedia.org/wiki/XAI_(company)
This profile was checked against its sources on 6 October 2026. How we check