On Wednesday, SpaceXAI will reportedly unveil the company’s new frontier artificial intelligence model. this is According to the informationIt’s the first SpaceX AI model built in partnership with AI startup Cursor, and SpaceX is currently in the process of building it. buys for 60 billion dollars. A version of the Grok AI model that shipped in May at least it entered the data from the CursorAccording to Elon Musk.
Last month, Elon Musk wrote on X that his company’s latest unreleased model, the Grok 4.5, was being beta tested behind the scenes at SpaceX and Tesla. According to him, its performance is comparable to some vague version of Claude Opus – a level just below Anthropic’s arguably powerful Fable.
The Grok 4.5, based on our 1.5T V9 foundation model and with Cursor data added in additional training, is now in private beta at SpaceX and Tesla. Early estimates show performance close to, perhaps even surpassing, the Opus.
The RL model continues to improve significantly and Grok Build…
— Elon Musk (@elonmusk) June 28, 2026
The data report is more specific and says that the model is internally comparable to the Claude Opus 4.8Along with OpenAI’s GPT 5.5 — the latest GPT model to be released, despite being GPT-5.6 is availableand is expected to be released soon.
Cursor creator Michael Truell made a statement last month He was working on a cursor that was supposed to compete with Frontier models from Anthropic and OpenAI. He called it the “next phase of the company” without directly stating that the model was a project directly related to SpaceXAI at the time.
SpaceXAI is a rebranding of the company formerly known as xAI. It was announced on Monday.
