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
    Source theinformation.com
  • 2 February 2026
    Amount
    All-stock acquisition by SpaceX
    Valuation
    xAI $250B; combined SpaceX-xAI $1.25T
    Lead
    SpaceX
    Source cnbc.com

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

  1. cnbc.com/2026/02/03/musk-xai-spacex-biggest-merger-ever.html
  2. techcrunch.com/2026/05/14/elon-musks-spacexai-has-been-bleeding-staff-since-its-merger/
  3. 9to5mac.com/2026/08/14/spacex-lands-deal-to-likely-purchase-claude-code-and-openai-codex-c
  4. newsletter.semianalysis.com/p/the-future-of-meta-superintelligence
  5. x.ai/news/grok-4-7
  6. en.wikipedia.org/wiki/XAI_(company)

This profile was checked against its sources on 6 October 2026. How we check