SpaceX Acquires Cursor for $60 Billion in Largest Startup Deal Ever

SpaceX has agreed to acquire Anysphere, the San Francisco startup behind AI coding assistant Cursor, for $60 billion in an all-stock deal - making the SpaceX Cursor acquisition the largest purchase of a venture-backed company on record. SpaceX filed the binding merger agreement on June 16, just four days after completing its record $75 billion IPO.

Cursor Is Used Daily by Engineers at Stripe, Adobe, and Nvidia

Cursor lets engineers write, debug, and fix code using natural language - a workflow that has replaced manual coding for many professional teams. Customers include Stripe, Adobe, and Nvidia, placing Cursor among the most widely adopted AI coding tools used in active engineering environments, not just side projects.

AI coding assistants have become one of the first product categories where AI has generated real, recurring enterprise revenue. GitHub Copilot, Google's Gemini Code Assist, and JetBrains AI are all competing for the same developer market. SpaceX, through its xAI unit, now holds a direct position in that competition.

xAI Gains a Developer Product - and Grok Could Become Cursor's Default Model

SpaceX acquired xAI earlier this year, combining Musk's AI research lab with SpaceX's computing infrastructure. xAI builds Grok, its own large language model, but had no meaningful developer tooling presence. Cursor fills that gap directly.

For engineers who rely on Cursor daily, the unresolved question is what xAI ownership means for model support. Cursor currently integrates models from OpenAI, Anthropic, and Google, giving teams flexibility over which AI backend processes their code. Under xAI ownership, Grok could eventually become the default or preferred model - reducing the optionality that many teams currently depend on. No changes to Cursor's model lineup have been announced, but the commercial incentive to favour Grok now exists.

SpaceX Shares Rose 16% on the Day of the Filing

Markets reacted sharply. SpaceX shares climbed about 16% on June 16, pushing the company's market cap above both Amazon and Microsoft to become the fourth most valuable company in the US. Because the deal is structured entirely in stock, Anysphere's founders and early investors will hold SpaceX equity rather than cash proceeds.

Regulatory clearance is required before closing, with completion expected in the third quarter of 2026. Antitrust scrutiny of large AI acquisitions has increased in recent months, and whether the SpaceX Cursor acquisition faces competition challenges from regulators remains unclear.