Fundraising Fox

xAI

Unicorn exit · $250Bacquired by SpaceX

Palo Alto, US · Founded 2023 · 43 known investors

Acquired by SpaceX February 2026 · $250B (all-stock; xAI $250B against SpaceX ~$1T, a combined $1.25T) · source ↗

x.ai builds frontier AI reasoning models, real-time voice AI, and generative media systems. The company focuses on advancing AI capabilities for research and knowledge extension.

AI & Machine LearningDeep TechDeveloper ToolsEnterprise Software

Founders & leadership

xAI was founded in 2023 by Yuhuai (Tony) Wu, Greg Yang, Guodong Zhang, Igor Babuschkin, and Elon Musk.

Y(
Yuhuai (Tony) WuFounder
GYGreg Yang
Greg YanginFounder
GZ
Guodong ZhanginFounder
IB
Igor BabuschkininFounder
EMElon Musk
Elon Musk𝕏FounderFounder of SpaceX and xAI; CEO of Tesla

Investors · 43

7percent VenturesLondon · $250K – $2M
Abstract VenturesSan Francisco · $250K – $750K
Aglae VenturesParis · $108K – $5.4M
Amity VenturesSan Francisco · $1M – $5M
Andreessen HorowitzMenlo Park · $500K – $50M
Arctic Digital
Cisco InvestmentsSan Jose
Coatue ManagementNew York · $1M – $20M
Cold Start VenturesNew York
Duke Capital PartnersDurham
Everybody Ventures$100K
Factorial FundsSan Francisco
Future VenturesLos Altos · $1M – $10M
HOF CapitalNew York · $25K – $15Mvia Hisham Elhaddad · led
Human CapitalSan Francisco · $250K – $200M
Integra GroupeMenlo Park · $100K – $200K
J17 Capital
Javelin Venture PartnersSan Francisco · $500K – $4M
Loup VenturesMinneapolis
Maven VenturesPalo Alto · $1M
Mech VenturesLas Vegas
Mentha Partners
MetaplanetTallinn · $500K – $10M
Moonshots CapitalAustin · $5K – $2.5M
Page One VenturesSilicon Valley
Parkway Venture CapitalNew York
Partners ResoluteChicago
Sanctor CapitalNew York
SquareOne CapitalMiami
Staged Ventures
Type One VenturesLos Angeles · $100K – $5M
Untapped VenturesGlendale · $500K – $2M
Vanedge CapitalVancouver · $1M – $15M
WAGMI Ventures
E1 VenturesreportedSan Franciscovia Ana Levine · inferred
Fidelity InvestmentsreportedBoston
Glade Brook Capital PartnersreportedGreenwich
MGXreportedAbu Dhabi
NVIDIAreported · 2 sourcesSanta Clara
Qatar Investment AuthorityreportedDoha
Stepstone GroupreportedCharlotte
Valor Equity PartnersreportedChicago

Also in the syndicate · 1

Baron Capital Group

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

Competitors · 1

by search overlap
OpenAI1127 shared keywordsOpenAI is an AI research and deployment company focused on developing artificial general intelligence (AGI) with emphasis on safety and beneficial outcomes for humanity.

Companies competing with xAI for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

AI Companies Are Funding the AGs Investigating Themreadsludge.com · Jul 2026OpenAI, Anthropic backer MGX raises one of the biggest AI funds ever as it closes at $49 billioncnbc.com · Jul 2026Elon Musk’s xAI Raises $20 Billion - The New York Timesnytimes.com · Jan 2026xAI Raises $20B Series E | SpaceXAIx.ai · Jan 2026Musk's xAI is raising $15 billion in latest funding roundcnbc.com · Nov 2025xAI funding: Elon Musk's AI startup xAI raises $6 billion in latest funding round - The Economic Timeseconomictimes.indiatimes.com · Dec 2024xAI announces series B funding round of $6Bx.ai · May 2024

Frequently asked questions

What does xAI do?
x.ai builds frontier AI reasoning models, real-time voice AI, and generative media systems. The company focuses on advancing AI capabilities for research and knowledge extension.
Who founded xAI?
xAI was founded by Yuhuai (Tony) Wu, Greg Yang, Guodong Zhang, Igor Babuschkin, Elon Musk in 2023.
Who are xAI's investors?
xAI's investors include 7percent Ventures, Abstract Ventures, Aglae Ventures, Amity Ventures, Andreessen Horowitz, Arctic Digital, Cisco Investments, Coatue Management and 34 more.
Who acquired xAI?
xAI was acquired by SpaceX.
Where is xAI headquartered?
xAI is headquartered in Palo Alto, US.