XAI (company)
| Company type | Public-benefit corporation (initially, until May 2024) |
|---|---|
| Industry | Artificial intelligence, social media, technology |
| Founded | March 9, 2023 |
| Founder | Elon Musk |
| Headquarters | San Francisco Bay Area , United States |
Area served | Worldwide |
Key people | Igor Babuschkin (Chief Engineer) |
| Products | Grok (generative AI assistant), X (social networking service, formerly Twitter) |
Number of employees | Unknown (500 data annotation employees laid off in Sept 2025) |
X.AI Corp., operating under the name xAI, is a U.S.-based enterprise focused on artificial intelligence (AI), social media, and technology. Established by Elon Musk in 2023, its principal offerings include the generative AI assistant Grok and the social networking service X (formerly Twitter), which it purchased in March 2025.
History
Elon Musk founded xAI on March 9, 2023. He appointed Igor Babuschkin, formerly affiliated with Google's DeepMind, as Chief Engineer. The official announcement of xAI took place on July 12, 2023.
By July 2023, xAI’s main office was located in the San Francisco Bay Area. The company was initially registered in Nevada as a public-benefit corporation with the mission to "generate a significant positive impact on society and the environment." However, by May 2024, xAI had relinquished its public-benefit status. The original declared objective was to "comprehend the fundamental nature of the universe."
Financial history
In November 2023, Musk revealed that investors in X Corp would hold a 25% stake in xAI. By December 2023, xAI announced it had raised $134.7 million from external investors toward a $1 billion fundraising goal. Shortly thereafter, Musk suggested that no immediate capital infusion was necessary. By May 2024, plans were underway to secure $6 billion in funding, supported by venture capital firms such as Andreessen Horowitz, Lightspeed Venture Partners, Sequoia Capital, and Tribe Capital.
In August 2024, Musk redirected Nvidia AI chips initially allocated for Tesla to support X and xAI operations. On December 23, 2024, xAI obtained an additional $6 billion in private investment from Fidelity, BlackRock, Sequoia Capital, among others, pushing total funding beyond $12 billion. In February 2025, xAI and collaborators proposed a $97.4 billion offer to acquire OpenAI. The following month, xAI acquired Hotshot, a startup focused on AI-driven video creation technologies.
On March 28, 2025, xAI completed an all-stock acquisition of its affiliate X Corp., the developer behind the social media platform X (formerly Twitter), valuing X at $33 billion plus $12 billion in debt; xAI’s valuation stood at $80 billion. The merged organization was named X.AI Holdings Corp.
On July 1, 2025, Morgan Stanley announced it had raised $5 billion in debt and another $5 billion in equity capital for xAI; SpaceX contributed $2 billion toward the equity financing round. Two weeks later, on July 14, xAI introduced "Grok for Government" and secured a $200 million artificial intelligence contract with the U.S. Department of Defense alongside Anthropic, Google, and OpenAI.
On September 12, 2025, xAI reduced its workforce by laying off 500 data annotation employees—the largest segment involved in training Grok—indicating a strategic shift in operations.
Environmental impact
In June 2024, the Greater Memphis Chamber revealed xAI’s intention to construct Colossus, poised to be the world’s largest supercomputer, located in Memphis, Tennessee. After a construction period of 122 days, Colossus became fully functional in December 2024. The project sparked local apprehension due to its maximum power draw of 150 megawatts. During negotiations with city officials, xAI deployed fourteen VoltaGrid portable methane generators to temporarily supplement electricity supply.
Environmental advocates condemned the reliance on gas turbines for causing substantial air pollution and accused the company of operating without necessary permits. Thermal imaging conducted in May 2025 detected at least thirty-three generators running concurrently, releasing emissions comparable to a nearby large-scale gas-fired power plant. Ultimately, the Shelby County Health Department issued an air quality permit for the facility in July 2025.
Products
In July 2023, Elon Musk highlighted xAI's commitment to being "maximally truth-seeking," steering clear of politically correct AI that might mislead, while focusing on advanced mathematical reasoning skills. On November 4, 2023, xAI introduced Grok, an AI chatbot integrated within X (previously Twitter), initially accessible exclusively to Premium+ members. Access was broadened in March 2024 to include all X Premium subscribers. On March 17, 2024, xAI made Grok-1 open source. Following this, Grok-1.5 was released on March 29, 2024, featuring improved reasoning and a longer context window, and on April 12, 2024, Grok-1.5 Vision (Grok-1.5V) became available. The launch of Grok-2 on August 14, 2024, introduced image generation capabilities for X Premium users, marking xAI's entrance into the multimodal AI arena.
An API designed to facilitate broader integration by developers was unveiled on October 21, 2024. On December 9, 2024, Aurora was launched as a text-to-image model, enriching xAI’s visual content creation suite. In February 2025, Grok-3 debuted with new features including reflection and DeepSearch web search functionality; this was followed in March 2025 by enhancements such as image editing tools and the advanced DeeperSearch capability.
On July 9, 2025, xAI released Grok-4 alongside a premium version called Grok Heavy, priced at $300 per month. Expanding its knowledge services further, xAI launched Grokipedia—an AI-powered online encyclopedia positioned as an alternative to Wikipedia and powered by Grok—on October 27, 2025.
These product advancements illustrate xAI’s strategic approach to embedding cutting-edge AI technologies within social media platforms and developer ecosystems while growing its footprint in content generation and knowledge management sectors.
Valuation
| Transaction | Year | Amount raised (USD) | Valuation (USD) | ||||
|---|---|---|---|---|---|---|---|
| Equity | Debt | Total | Pre-money | Post-money | |||
| A | A | 67.34MM | |||||
| A-1 | 67.34MM | ||||||
| A (overall) | Nov 29, 2023 | 134.68MM | 134.68MM | 673.4MM | |||
| B | May 26, 2024 | 6B | 6B | 18B | 24B | ||
| C | Dec 23, 2024 | 6B | 6B | 44B | 50B | ||
| Acquisition of X Corp. | Mar 28, 2025 | 80B | 113B | ||||
| Unknown | June 2025[lower-alpha 1] | 5B | 5B | 9.3B-10B | >120B | ||
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