xAI
Frontier LabAlso known as: xAI Corp, X.AI
Founded Mar 2023 (3 years old) by Elon Musk
xAI is an artificial intelligence company founded by Elon Musk in July 2023 with the stated mission to "understand the true nature of the universe" through AI.
Revenue
$3.8 billion
as of 2025
Valuation
$230 billion
as of Jan 2026
Headcount
4,000
as of 2025
Total Funding Raised
$26 billion
as of Jan 2026
Key People
5
5 total tracked
AI Models
2
Funding History
3Series EJan 2026
$20 billionat $230 billion valuation
Series E round; brought total funding to over $26B
x.ai (opens in new tab)Series CDec 2024
$6 billionat $50 billion valuation
Closed December 2024; investors include Andreessen Horowitz, BlackRock, Fidelity, Kingdom Holding, Sequoia, and others
reuters.com (opens in new tab)Series BMay 2024
$6 billionat $24 billion valuation
Led by Andreessen Horowitz, Sequoia Capital, and others; valued at $24B pre-money
reuters.com (opens in new tab)Model Releases
3Feb 2025
Grok-3
Trained on Colossus supercluster (200K H100 GPUs); significant reasoning improvements
x.ai (opens in new tab)Aug 2024
Grok-2
Major capability upgrade; competitive with GPT-4 and Claude 3.5 Sonnet on benchmarks
x.ai (opens in new tab)Nov 2023
Grok-1
First xAI model; 314B parameter mixture-of-experts; open-sourced March 2024
x.ai (opens in new tab)Strategic Partnerships
3Oracle CloudcloudJun 2024
Oracle Cloud infrastructure partnership for additional compute capacity beyond Colossus
oracle.com (opens in new tab)NvidiacomputeJan 2024
Major Nvidia GPU customer; 200K H100 GPUs for Colossus cluster; among the largest single orders
X (Twitter)distribution + dataNov 2023
Grok integrated into X platform for Premium+ subscribers; access to X data for training
x.ai (opens in new tab)Other Data
Major research initiatives and focus areas.
3 entries| Name | Description | Team Size | Started |
|---|---|---|---|
| Real-Time Information Integration | Integrating live data from X platform and web into AI responses | — | Nov 2023 |
| Large-Scale Training Infrastructure | Building and operating massive GPU clusters for frontier model training | — | Jul 2023 |
| Reasoning and Problem Solving | Improving AI reasoning capabilities in mathematics, coding, and scientific domains | — | Jul 2023 |
Key People
5Elon MuskFounder
CEO & Founder
Mar 2023 – present
Also CEO of Tesla, SpaceX; owner of X (Twitter); former OpenAI co-founder and board member
Igor BabuschkinFounder
Co-founder
Mar 2023 – present
Former DeepMind researcher; early engineering lead at xAI
Jimmy BaFounder
Co-founder
Mar 2023 – present
University of Toronto professor; co-inventor of Adam optimizer and Layer Normalization
Greg YangFounder
Co-founder
Mar 2023 – present
Former Microsoft Research; developed Tensor Programs / muP theory for neural network scaling
Toby PohlenFounder
Co-founder
Mar 2023 – present
Former DeepMind researcher
Facts13
Financial
Valuation$230 billion
Total Funding Raised$26 billion
Product Revenue$88 million
Revenue$3.8 billion
Headcount4,000
Products & Usage
User Count30 million
Benchmark Score93.3
Model Parameters2.7 trillion
Organization
Founded DateMar 2023
HeadquartersAustin, TX
Legal StructurePrivate company
People
Founded ByElon Musk
General
Websitehttps://x.ai