SpaceXAI is now the owner of AI coding tool Cursor after a $60 billion acquisition.

The AI programming tool Cursor is now officially part of SpaceXAI - the deal is done. Cursor-maker Anysphere was acquired for $60 billion in an all-stock transaction, the largest acquisition of a venture-backed startup in history. On August 14, Cursor's official account announced: "Today, we have officially closed our acquisition. We will join the @SpaceXAI team to help make Grok the world's most useful AI and improve Grok Build, Grok Bot, Grok API, Cursor, and more." Elon Musk's reply? A simple "Welcome!"

How the deal happened

This wasn't a sudden impulse buy. In April 2026, SpaceX secured an option to acquire Anysphere for $60 billion - or walk away for a ~$10 billion breakup fee. On June 16 it exercised that option and signed a formal merger agreement, disclosed in an SEC Form 8-K via subsidiary X67 Inc. The price tag: roughly 391 million SpaceX Class A shares, with zero cash involved. Cursor shareholders converted into SPCX stock priced on a seven-day volume-weighted average before the close.

The currency itself is part of the story. SpaceX went public on June 12, 2026 - the largest IPO in history, raising $75 billion at $135 per share. Four days later the stock had run up so hard that the entire $60 billion acquisition was covered by less than one-tenth of the market-cap gains from its first four trading days. Freshly minted IPO equity turned into a controlling stake in the enterprise AI coding market without spending a cent of operating cash.

The team is now one team

Anysphere's employees don't continue as an independent company - they're folded into SpaceXAI's AI team, working on Cursor plus Grok Build, Grok Bot and the Grok API. Cursor was already integrated into Grok 4.5, the first joint SpaceXAI + Cursor model, released July 9. It's a 1.5 trillion-parameter model trained on the Colossus supercluster with Cursor's coding data, and Musk claims it delivers Claude Opus-class performance at a fraction of the cost - $2 per million input tokens and $6 per million output tokens, versus Opus at $5/$25. Grok 4.6 shipped the day before the deal closed, an early preview of what the combined engineering effort can do.

The compute angle

Anysphere says the acquisition unlocks the world's largest GPU fleet:

"We get access to the world's largest collection of GPUs, giving us the compute to build more powerful models that are also more efficient. This means we can offer customers more powerful models at lower costs."

That means Colossus in Memphis - roughly 200,000+ Nvidia GPUs with plans to scale toward a million. Cursor's biggest structural weakness was always compute: it had no training infrastructure of its own and was bottlenecked by the cost of frontier GPUs. That constraint just disappeared.

Why $60 billion for a four-year-old company?

Cursor was founded in 2022 by four MIT students - 25-year-old CEO Michael Truell among them - and launched in 2023. Since then it has become the fastest-scaling B2B software company on record: $100M ARR in early 2025, $2B by February 2026, roughly $4B annualized by June, with about two-thirds of the Fortune 500 using it and over a million paying users. It's the epicenter of "vibe coding."

For SpaceXAI it fills a gaping hole: xAI lost $6.35 billion in 2025, Grok held only ~6% enterprise AI adoption, all 11 xAI co-founders had left by the end of March, and Grok Build was still in beta with no enterprise footprint. Cursor hands SpaceX the second-highest-revenue AI coding product in existence overnight - plus a data flywheel where every Cursor session feeds Grok's training pipeline, and the model ships back into the IDE.

The competitive fallout is wild. Microsoft examined buying Cursor and passed. OpenAI approached Anysphere twice and was rebuffed both times - it went on to buy Windsurf for a reported $3 billion instead. And in a delicious twist, Anthropic - whose Claude models Cursor heavily resells - trains its own models on SpaceX's Colossus 1 supercomputer. Infrastructure partners, product rivals, under one roof.

What's next

Analysts are already pricing it in: Morgan Stanley kept a $300 base-case target on SpaceX and projects Cursor could add as much as $13 billion to revenue by 2027, with a bull case of $600 tied to Cursor's growth. No pricing or model-access changes have been announced - Cursor Router, which auto-selects between Claude, GPT and Grok, is still live. The big open question: how long before Grok becomes the default and the model-agnostic neutrality developers love quietly shifts.

One thing is certain: when a rocket company pays $60 billion for a code editor four days after its IPO, the AI coding war has a new frontrunner.

Sources: Tweakers (https://tweakers.net/nieuws/250992/spacexai-is-na-miljardenovername-eigenaar-van-ai-programmeertool-cursor.html), Forbes (https://www.forbes.com/sites/sandycarter/2026/06/16/spacex-buys-cursor-in-largest-startup-acquisition-ever-at-60-billion/), CNBC (https://www.cnbc.com/2026/06/16/spacex-spcx-cursor-acquisition-ipo.html), TechTimes (https://www.techtimes.com/articles/318476/20260616/spacex-seals-60-billion-cursor-acquisition-four-days-after-record-ipo.htm), Cryptopolitan (https://www.cryptopolitan.com/spacex-cursor-maker-anysphere-60-billion/), TechStartups (https://techstartups.com/2026/07/09/spacexai-launches-grok-4-5-musk-says-new-ai-model-rivals-claude-opus-at-a-fraction-of-the-cost/)