xAI
AI research company building models and products like Grok to help people understand the universe and work with advanced AI systems.
What is xAI?
xAI is an artificial intelligence company founded in 2023 with a mission to build AI systems that help humanity better understand the world. The company develops frontier AI models and products, including Grok, while operating across research, model training, infrastructure, product engineering, and applied AI. xAI describes itself as a fast-moving team of AI technologists and business leaders focused on ambitious technical problems and practical AI deployment. The company hires across multiple offices including Palo Alto, Seattle, San Francisco, Tennessee, London, Austin, and New York, and its roles span model training, machine learning infrastructure, software engineering, research, and product development.
Mission & values
Understand the true nature of the universe — build advanced AI systems (Grok) that maximize truthfulness, capability, and benefit to humanity.
Qualifications
Qualifications vary by role, but xAI generally looks for candidates with strong technical depth, exceptional execution, and the ability to solve difficult problems quickly. For research and engineering roles, backgrounds in machine learning, systems engineering, software development, high-performance infrastructure, or related quantitative fields are especially relevant. Many openings require evidence of exceptional work, strong coding ability, and experience building or operating large-scale AI systems. Applicants should be comfortable with fast iteration, high ownership, and collaboration in a demanding research and product environment. Some roles may also require onsite work or alignment with specific office locations, while international talent can be supported through visa sponsorship.
Leadership
Elon Musk
Founder & CEO
Also CEO of Tesla, founder of SpaceX and The Boring Company. Founded xAI in 2023; xAI acquired X (formerly Twitter) in March 2025.
Hiring process
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1
Apply on x.ai/careers
Submit your application for an open role.
About 1 day
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2
Recruiter / hiring manager screen
Initial conversation about role and qualifications.
About 5 days
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3
Technical interviews
Multi-round technical deep dives appropriate to the role (research, engineering, infrastructure, etc.).
About 7 days
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4
On-site loop
Onsite or virtual full-day evaluation; expect rigorous vetting.
About 5 days
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5
Offer
Compensation and equity discussion. Reputation for fast offer turnaround once vetted.
About 3 days
Funding
Awards & recognition
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Colossus — world's largest AI training facility (2 GW, ~555,000 NVIDIA GPUs in Memphis) · 2026
Tom's Hardware / Introl
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Acquired X (formerly Twitter) in March 2025
Industry coverage
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$20B Series E funding round (2025) · 2025
BusinessWire
Company information
- Industry: Artificial Intelligence Research
- Location: Palo Alto, CA, USA
- Founded: 2023
- Company size: 1000+
- Website: x.ai ↗
- LinkedIn: Company page ↗
- X / Twitter: Profile ↗