COMPANY PROFILE · /xai
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xAI (Grok)

xAI is an artificial intelligence company founded in March 2023 by Elon Musk that develops the Grok family of large language models, an API platform, and consumer/enterprise AI products. The company operates the Colossus GPU (Graphics Processing Unit) supercomputer cluster in Memphis, Tennessee, and in March 2025 acquired the social network X in an all-stock transaction. In February 2026, xAI was acquired by SpaceX, combining the two Musk-led entities.

x.ai ↗· Palo Alto, California, USA· founded 2023reported
Fresh · 3d ago
Latest valuation
$230B (reported, January 2026 Series E)
Annual Recurring Revenue
~$500M Annual Recurring Revenue (ARR) standalone exit-2025 run rate (reported)
Headcount
~1,200–4,900 (reported, varies by source; PitchBook lists 4,900)
Funding total
$22B+ equity (reported); ~$47B including debt and follow-on rounds per PitchBook
OVERVIEW

Acquired by SpaceX in February 2026 in a deal reportedly valuing the combined entity at $1.25T. Closed a $20B Series E in January 2026 at a $230B valuation (upsized from $15B target) with participation from Nvidia, Valor Equity Partners, Fidelity, Qatar Investment Authority, MGX, Cisco, and a ~$2B commitment from Tesla. xAI acquired X (formerly Twitter) in March 2025 in an all-stock deal. Operates the Colossus supercomputer in Memphis with plans toward 1M GPUs. Partnership with HUMAIN announced for Saudi Arabia hyperscale GPU data center buildout. Received a U.S. Department of Defense CDAO contract (up to $200M ceiling) for agentic AI in national-security workflows.

Status
acquired
Tier
deep-profile
Profitability
Unprofitable; reported burn estimated near $1B/month (reported)
Pricing
Free tier; X Premium from $8/mo; SuperGrok $30/mo; SuperGrok Heavy $300/mo; enterprise API and Grok Enterprise tiers
FUNDING HISTORY · 1
$20B Series E (Jan 2026)
$230B (standalone); $1.25T combined post-SpaceX merger
$22.13B primary + $5B debt
PRODUCTS · 5
Grok
AI Assistant / Chatbot
Conversational AI assistant available via web (grok.com), iOS/Android apps, and integrated into the X social platform; provides reasoning, real-time search, image generation, and voice modes.
xAI API
Developer Platform / Model API
Commercial API providing developers programmatic access to Grok foundation models, including reasoning, coding, and fast/cost-optimized variants.
SuperGrok / SuperGrok Heavy
Consumer Subscription
Premium subscription tiers offering expanded access to top Grok models, longer context memory, priority voice, and exclusive features like Grok 4 Heavy.
Grok for Government
Public Sector / Government AI
Suite of frontier AI products tailored for U.S. federal agencies, including a U.S. General Services Administration (GSA) OneGov procurement channel and Department of Defense (DoD) integration.
Colossus Supercomputer
AI Compute Infrastructure
xAI's GPU (Graphics Processing Unit) supercomputer cluster in Memphis, Tennessee used to train and serve Grok models; capacity also leased externally (e.g., to Anthropic).
MODELS · 8
TEAM · 12 key people
TALENT FLOW · shares people with 5 companies

People who hold a role here and at another AI company. See the full graph →

SOURCES · 25 cited
  1. 01xAI revenue, valuation & funding | Sacra · sacra.comreported
  2. 02Musk's xAI to close $15 billion funding round in December: sources · cnbc.comreported
  3. 03xAI - Summit Ventures Partners · summit-ventures.netreported
  4. 04xAI Secures Record $15B Round, Now Valued at $200B · techbuzz.aireported
  5. 05xAI: Investor insights in 2025 · acquinox.capitalreported
  6. 06xAI Targets $230 Billion Valuation With New Funding | PYMNTS.com · pymnts.comreported
  7. 07xAI nears $230B valuation in $20B Nvidia-led raise to challenge OpenAI, Anthropic — TFN · techfundingnews.comreported
  8. 08Musk's xAI is raising $15 billion in latest funding round · cnbc.comreported
  9. 09Grok (chatbot) - Wikipedia · en.wikipedia.orgreported
  10. 10AI Model Releases Nov/Dec 2025: Grok 4.1, Gemini 3, Claude 4.5, GPT-5.2 Benchmarks & Comparison · vertu.comreported
  11. 11News: Research, Product & Company Updates | xAI · x.aireported
  12. 12Grok AI Models 2025: Your Guide to xAI's Truth-Seeking Assistant · firstaimovers.comreported
  13. 13AI Models: xAI Releases Grok 4 AI Models | PYMNTS.com · pymnts.comreported
  14. 14Grok 5 and AGI: What xAI's Model Roadmap Means for AI Builders | MindStudio · mindstudio.aireported
  15. 15xAI's Grok Roadmap: 7 Models in Training Now, Grok 5 at 10 Trillion Parameters — Full Timeline | MindStudio · mindstudio.aireported
  16. 16xAI 2025: From Grok 3 to Grok 4.1, Elon Musk's Meteoric Rise in AI | jls's blog · jls42.orgreported
  17. 17Grok 4.20 Preview: xAI Roadmap & Upcoming Features · digitalapplied.comreported
  18. 18What Is Grok 4? Elon Musk’s Newest AI Model, Explained | Built In · builtin.comreported
  19. 19X.AI Corp. Headquarters & Global Office Locations · websets.exa.aireported
  20. 20Careers: Build AI That Advances Humanity | xAI · x.aireported
  21. 21xAI - Products, Competitors, Financials, Employees, Headquarters Locations · cbinsights.comreported
  22. 22X.AI Corp. Company Profile | Palo Alto, California | Competitors, Financials & Contacts - Dun & Bradstreet · dnb.comreported
  23. 23x.ai: Employee Directory | ZoomInfo.com · zoominfo.comreported
  24. 24xAI Palo Alto, CA Office | Glassdoor · glassdoor.comreported
  25. 25xAI 2026 Company Profile: Valuation, Investors, Acquisition | PitchBook · pitchbook.comreported