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Why SpaceX Is Spending $60 Billion on AI Coding Startup Cursor
Amit Singh · 2026-06-19 · via MEDIANAMA

Downloads:

  • SpaceX’s takeover of Cursor [PDF]

SpaceX has agreed to buy AI coding startup Cursor for $60 billion, just days after making its stock market debut and less than two months after announcing a peculiar deal between the two companies.

According to an SEC filing, Cursor will receive $60 billion worth of SpaceX stock under the agreement. The deal, which is expected to close during the third quarter of 2026, will help the robot, AI, and social media company narrow the gap with rivals OpenAI and Anthropic in agentic coding and enterprise AI.

SpaceX has exercised the option to acquire @cursor_ai in an all-stock transaction with the goal of building the world’s most useful AI models.

For the past few months, SpaceXAI has been jointly training a model with Cursor, which will be released in Cursor and Grok Build soon.… https://t.co/X5mepgXgjJ

— SpaceX (@SpaceX) June 16, 2026

How does SpaceX stand to benefit from the deal?

xAI’s deepening crisis: While SpaceX was rocketing toward an IPO, its AI arm, xAI, was struggling. By the end of March, all 11 co-founders who helped build xAI alongside Elon Musk had quit the company. Musk has also previously expressed frustration that xAI was not “built right the first time around” and with its subpar coding product, which lags behind popular coding tools such as Anthropic’s Claude Code and OpenAI’s Codex.

Grok’s sexualised deepfake controversy: Earlier this year, the California Attorney General’s Office sent xAI a cease-and-desist letter over concerns that its chatbot, Grok, was being used to create non-consensual sexual imagery of women and minors. In its IPO filings, SpaceX told investors that such behaviour posed a threat to its business.

Cursor gives xAI the software and distribution layer it needs: According to some estimates, Cursor has about one million daily users and 360,000 paid subscribers, with India reportedly its second or third-largest market. 

In its IPO prospectus, SpaceX said it sees its compute deal with Cursor as a natural extension of its strategy to vertically integrate compute infrastructure, AI models, and applications. The acquisition of Cursor will help the company improve its existing AI models, including Grok, and potentially develop new models at lower costs.

“The depth of Cursor’s integration with a high-frequency coding workflow generates valuable developer interaction data, including coding generation prompts, iteration cycles, and software architecture decisions. We expect that access to this data will enhance our model training and inference, including with respect to Grok,” SpaceX said.

SpaceX told investors that it sees a huge opportunity in large-scale, frontier-level AI infrastructure and believes it could become a $2.4 trillion business. Additionally, it sees a $22.7 trillion opportunity in the enterprise AI space. Cursor’s takeover is expected to help SpaceX deliver on some of those ambitions.

SpaceX’s AI segment lost about $2.5 billion from operations in the March quarter on segment revenue of $818 million, according to its IPO filing.

What is Cursor and what is it getting out of the deal?

Agentic coding has taken off over the past two years. Like Anthropic’s Claude Code and OpenAI’s revamped Codex, Cursor provides an AI-powered programming platform that allows users to build software and write code using natural-language prompts.

SpaceX’s acquisition of Cursor will help the AI coding startup scale its IDE and Composer models by leveraging xAI’s Colossus AI training data centres. In a blog post published in April, Cursor said that its partnership with SpaceX would help the startup address the compute “bottleneck” it identified after releasing Composer 2.

Launched in November last year, Composer was Cursor’s first agentic coding model. The company later released Composer 1.5, which scaled reinforcement learning by more than 20 times. Composer 2 then added continued pretraining, reaching frontier-level performance at a fraction of the cost of other models.

Cursor’s unique proposition lies in its model-agnostic nature, meaning it allows users to choose from various AI coding offerings, including Anthropic’s Claude Code and OpenAI’s Codex, to write code and build software using simple prompts.

However, it could lose this competitive advantage if OpenAI or Anthropic decides to withdraw support for the platform following SpaceX’s takeover. Conversely, SpaceX could also block its rivals from Cursor if its own AI coding capabilities deliver better-than-expected results.

Besides compute infrastructure challenges, Cursor had also been operating with negative gross margins on compute costs until recently, meaning it cost more to run the product than the revenue it generated from users. Following its acquisition by SpaceX, the company is better positioned to overcome these hurdles.

In the AI coding market, Cursor competes with startups such as Replit, Lovable, and Bolt, as well as LLM providers including Meta, Anthropic, and OpenAI.

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