TL;DR
SpaceX exercised its $60 billion all-stock option to buy Anysphere, the maker of Cursor, days after its IPO pushed its value past $2 trillion. The deal would add a profitable developer application to SpaceX’s AI stack, but the central test remains whether Grok can compete at the foundation-model layer.
SpaceX exercised its option on June 16, 2026 to buy Anysphere, the maker of the AI coding agent Cursor, for $60 billion in all-stock consideration, according to SpaceX filings cited in the source material. The deal, expected to close in the third quarter, would add a revenue-generating AI coding application to SpaceX’s power, compute, research, model and distribution assets, sharpening the central question for the company: whether Grok can become a foundation model that developers choose over stronger rivals.
Under the reported terms, each Cursor share will convert into SpaceX Class A shares, and Anysphere will become a wholly owned subsidiary after closing. SpaceX had earlier secured the right to buy Anysphere for $60 billion or pay a $10 billion alternative fee; this week, it chose the acquisition.
Cursor brings SpaceX one of the few AI products already producing large software revenue. The source material says Anysphere, founded in 2022 by four MIT graduates, reached roughly $4 billion in annualized revenue by early June, up from about $2 billion in February. It also says Anysphere had turned away two OpenAI approaches and a review from Microsoft while seeking to remain independent.
Cursor CEO Michael Truell framed the transaction as a joint effort to build “the world’s most useful AI models,” with a co-trained model planned for Cursor and Grok Build. The source material also says Cursor trained its newest model on tens of thousands of xAI chips and that two senior Cursor engineers had already moved to xAI, details that pointed to closer ties before the purchase was exercised.
SpaceX owns every layer
of AI now
The $60B Cursor buy completes the stack: power, compute, research, model, app, distribution. But owning every layer isn’t winning every layer — and the model is the weak one.
(Anysphere)
You can buy a coding app and a model team. You can’t buy the research lead that makes your foundation model the one everyone else builds on — which is why Anthropic pays Musk $1.25B/month, not the other way around. Owning every layer bought SpaceX the right to attempt the hard thing. It hasn’t done it yet.
Full-Stack Control Meets Grok Doubts
The deal matters because it would give SpaceX a rare position across the AI supply chain. The company already has power generation, large GPU clusters, xAI’s research team, the Grok model line, and distribution through X, Tesla and Optimus. Cursor would add a paid developer product and a large base of programmers who already use AI for daily work.
That structure could lower SpaceX’s dependence on outside providers and give it direct routes from hardware to software revenue. It also gives the company a way to test Grok in a high-value market where users compare model quality quickly: coding.
The weak point remains the model layer. The source material frames Grok as having underdelivered relative to SpaceX’s compute base, and says xAI moved training to Colossus 2 after struggling to parallelize Grok across a mixed H100, H200 and GB200 build. If that account is accurate, SpaceX has assembled the infrastructure for a leading AI business before proving that its own model is the one customers will prefer.
Agentic Coding with Claude Code: The everyday developer's guide to agentic coding with Claude Code
As an affiliate, we earn on qualifying purchases.
As an affiliate, we earn on qualifying purchases.
How Cursor Filled SpaceX’s Gap
The acquisition follows SpaceX’s IPO, which the source material says pushed the company’s value past $2 trillion. In February 2026, xAI was folded into SpaceX, bringing the Grok model line and research organization under the same corporate roof as the company’s compute and capital base.
The compute layer is the strongest part of the story. Public reporting cited in the source material says SpaceX’s first 100,000-GPU Colossus cluster in Memphis went from bare factory floor to training in 122 days, then doubled to 200,000 GPUs in 92 more. The Memphis site is described as having about 555,000 Nvidia GPUs, roughly 2 gigawatts of power capacity and about $18 billion in silicon.
SpaceX has also become a compute landlord to rival labs. The source material says Anthropic is leasing capacity through May 2029 for $1.25 billion per month and Google through June 2029 for $920 million per month, or roughly $26 billion a year combined. Those leases would let SpaceX monetize Colossus even if competing models keep a lead over Grok.
“the world’s most useful AI models”
— Cursor CEO Michael Truell
50 Algorithms Every Programmer Should Know: Tackle computer science challenges with classic to modern algorithms in machine learning, software design, data systems, and cryptography
As an affiliate, we earn on qualifying purchases.
As an affiliate, we earn on qualifying purchases.
Grok’s Performance Remains Unproven
It is not yet clear whether the Cursor-Grok model will match or beat competing coding systems from OpenAI, Anthropic, Google or other labs. The source material presents Grok as the weakest layer in SpaceX’s AI stack, but the next product release will be the clearer test.
Several deal details also remain developing, including any regulatory review, retention terms for Anysphere’s technical staff and how Cursor’s existing customers will respond once the company is owned by SpaceX. The reported utilization figure for Colossus 1 comes from an internal memo described in the source material and has not been independently confirmed in the provided record.
Engineering a Small AI Language Model: Training, Evaluation, and Deployment Without Myth
As an affiliate, we earn on qualifying purchases.
As an affiliate, we earn on qualifying purchases.
Q3 Closing And Model Rollout
The next milestones are the expected third-quarter closing and the release of the jointly trained model into Cursor and Grok Build. Investors and developers will be watching whether SpaceX keeps Cursor’s product momentum while improving Grok’s coding ability.
The broader test is whether SpaceX can turn vertical ownership into model leadership. For now, the company has bought the application layer it lacked; it still has to prove that the model underneath can carry it.
Corsair AI Workstation 300 Desktop PC – AMD Ryzen AI Max 385 CPU – AMD Radeon 8050S iGPU (Up to 48GBs vRAM) – 64GB LPDDR5X 8000MHz Memory – 1TB M.2 SSD – Black
AI-Optimized Compact Workstation: Experience AI performance out of the box with the compact 4.4L form factor, built for…
As an affiliate, we earn on qualifying purchases.
As an affiliate, we earn on qualifying purchases.
Key Questions
What did SpaceX buy?
SpaceX exercised its option to buy Anysphere, the company behind the AI coding agent Cursor, for $60 billion in all-stock consideration.
Has the Cursor deal closed?
No. The source material says the transaction is expected to close in the third quarter of 2026, after which Anysphere would become a wholly owned SpaceX subsidiary.
Why is Cursor valuable to SpaceX?
Cursor gives SpaceX a paid AI application, a developer customer base and a coding-focused model team. The source material says Cursor had reached about $4 billion in annualized revenue by early June.
Why is Grok described as the weak link?
The source material says Grok has underdelivered relative to SpaceX’s compute resources and that training was moved to Colossus 2 after xAI had trouble using a mixed GPU build. That makes model quality the main unresolved test.
What happens after the deal closes?
SpaceX and Anysphere are expected to ship a jointly trained model into Cursor and Grok Build. The market response from developers will show whether the deal improves SpaceX’s position at the application and model layers.
Source: Thorsten Meyer AI
