Cursor trained Grok 4.5 on trillions of tokens of joint data and got access to SpaceX's Colossus supercomputer with 200,000 Nvidia GPUs.
Alpha Score of 76 reflects strong overall profile with strong momentum, weak value, strong quality, moderate sentiment.
SpaceX closed its $60 billion acquisition of AI coding startup Cursor on Friday. The deal, first teed up in April when SpaceX secured a purchase option, became a firm commitment in June.
On SpaceX's August earnings call, CEO Elon Musk declined to detail the partnership. "We don't want to jump the gun on regulators for closing the acquisition," he said.
The two companies had already been working closely for months.
Cursor trained Grok 4.5 jointly with SpaceX, using "trillions of tokens of Cursor data," the AI coding company said. It was the first Cursor-built model not limited to software engineering. Cursor cofounder Aman Sanger called it "a pleasure working with the SpaceXAI team on it" in a July post on X. Cursor also helped train Grok 4.6, released Wednesday.
The partnership gave Cursor access to Colossus, SpaceX's supercomputer powered by 200,000 Nvidia GPUs. The same data center serves Anthropic. In its April announcement, Cursor said Colossus would let it "dramatically scale up" model intelligence, adding that compute had been the bottleneck.
SpaceX released Grok Bot, a new AI agent, on Tuesday. It reached SuperGrok Heavy users as expected, plus Cursor Ultra and Premium Teams subscribers. Recent Grok releases were also included as "first-party models" in Cursor's system.
Nvidia shares traded at $226.14, up 0.37%, with an Alpha Score of 78/100 (Strong).
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