xAI
AI for all humanity
San Francisco, United States · Founded 2023 · $47.4B raised
- Headquarters
- San Francisco, California
- Employees
- 201–500
- Founded
- 2023
- Business Model
- SaaS
- Website
- x.ai
- Total Funding
- $47.4B
- Last Round
- $20.0B Series EJan 2026
- Rounds
- 6
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
xAI builds artificial intelligence systems to accelerate human scientific discovery and extend what humanity can know and do. Its Grok products offer frontier reasoning, real-time voice, and generative media capabilities, while the company also reports operating Colossus, a 200,000-GPU system built in 122 days.
Summary
xAI is an Artificial Intelligence company based in San Francisco, United States, founded in 2023. It has raised $47.4B in total across 6 rounds, most recently a $20.0B Series E round in Jan 2026. Investors include Valor Equity Partners, Andreessen Horowitz and BlackRock.
Tech & App Stack
8 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
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Funding History
Jan 2026
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Funding: Series A through Series E. Amounts, valuations, and investors where available.
Investors
Acquisitions
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