SpaceX Closes $60 Billion Cursor Acquisition, Doubles Down on AI Coding and Grok Expansion

SpaceX on Aug. 14 closed its $60 billion all-stock acquisition of AI coding startup Cursor, according to a regulatory filing, securing one of the largest technology takeovers in history as Elon Musk pushes deeper into artificial intelligence.

The deal, which came two months after SpaceX formally announced its agreement to buy the company, folds Cursor into the aerospace firm's growing SpaceXAI division. Regulatory approval and SpaceX's transition to a public company preceded the close, sources show.

Cursor, launched in 2023, built an AI assistant that helps programmers write and debug code more efficiently. The startup became one of the fastest-growing in Silicon Valley and a central player in the "vibe coding" era, where developers use chatbot prompts to generate software. Its co-founders become billionaires under the deal and gain access to SpaceX's growing stockpile of advanced AI chips.

The acquisition is a key part of Musk's push to gain ground on rivals Anthropic and OpenAI in the lucrative market for AI coding tools. Musk's AI venture, now branded SpaceXAI, previously had limited business adoption and underwent job cuts and restructurings.

**Joint Grok Models and Expanded Capabilities**

SpaceX and Cursor began collaborating before the deal closed. In July, they released Grok 4.5, a model focused on coding, finance and legal tasks that was priced cheaper than competing offerings, the companies said.

Since then, SpaceX launched Grok Bot, a product that operates like a team of AI agents handling assignments throughout the day, and released an updated Grok 4.6 model this week.

Cursor's announcement of Grok 4.6 described it as "an early look at what we can now build together," adding: "SpaceX is building the computing capacity needed to scale intelligence far beyond what exists today. Cursor will be one place where that intelligence becomes useful."

Internal documentation cited by Forbes shows Grok 4.6 is trained on "a wide range of agentic RL tasks, including knowledge work, general coding, and domain-specific environments" such as kernel optimization, web development and computer-aided design. The model is designed to stay with complex tasks across many steps, from researching a topic to turning an idea into a polished application.

**Compute Power and GPU Fleet**

Cursor's blog post highlighted the scale of hardware backing the venture: "We will have access to the largest fleet of GPUs in the world, giving us the compute to build stronger models that are also more economical to run."

According to a Forbes report, that reference points to xAI's Colossus data center in Memphis, estimated to house around 200,000 Nvidia GPUs, with plans for a second facility — Colossus 2 — that could hold up to half a million chips.

SpaceX previously acquired Musk's AI company xAI earlier this year, Forbes reported. That move and the Cursor deal together give SpaceX a vertically integrated AI operation spanning models, infrastructure and application software.

**Musk's Internal Push and Revenue Ambitions**

In an August meeting with SpaceX staffers, Musk stressed the importance of AI to the firm's future. "We must succeed on the software front," he said, according to a report in the Arkansas Democrat-Gazette. He added: "Our AI revenue will exceed all other SpaceX revenue by September."

Despite competing against firms like Anthropic and OpenAI, SpaceX has struck multibillion-dollar deals allowing Anthropic and Alphabet's Google to tap into its computing resources, the same report noted — illustrating a dual strategy of building proprietary AI while monetizing hardware access.

**Founders and Background**

Cursor's four co-founders — Michael Truell, Aman Sanger, Sualeh Asif and Arvid Lunnemark — are former MIT students, Forbes reported. Their journey from a dorm room to a $60 billion exit marks one of the most significant startup outcomes from the university.

The all-stock structure of the deal avoided a cash outlay for SpaceX but raised concerns about share dilution, though the company's stock has since recovered near its initial public offering price of $160, according to Forbes.

With Cursor inside SpaceXAI, Musk now has both a direct-to-developer coding tool and the foundation for autonomous agent technology — a bet that AI coding will remain central to enterprise software growth.