SpaceX Buys AI Coding Startup Cursor for $60 Billion
SpaceX closed its $60 billion acquisition of Cursor, the AI-powered coding startup, on Friday. The two companies first began working together in April, when Elon Musk's space company secured the right to acquire Cursor; SpaceX formally agreed to complete the purchase in June.
On SpaceX's August earnings call, Musk declined to go into detail about the SpaceX-Cursor partnership. 'We don't want to get ahead of regulators before the deal closes,' he said. Even so, the two companies have already been working closely together.
Cursor trained the Grok 4.5 model together with SpaceX, drawing on trillions of tokens worth of Cursor's data. It was the first model Cursor built for something other than developers alone. The company also contributed to training Grok 4.6, which launched on Tuesday.
The biggest payoff of the partnership has been Cursor's access to SpaceX's Colossus supercomputer, which runs on 200,000 Nvidia GPUs and is also used by Anthropic. In its April announcement, Cursor noted that this resource would let it dramatically increase its models' intelligence, since the company had previously been constrained by a lack of compute.
On Tuesday, SpaceX unveiled a new AI agent, Grok Bot. It first rolled out to SuperGrok Heavy users, as well as Cursor Ultra subscribers and Cursor Premium Teams customers. The latest versions of Grok are now included in Cursor as 'top-tier models.'
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