Grok 4.5 Beta: SpaceX & Tesla Test New AI Model

Grok 4.5 is now in private beta testing at SpaceX and Tesla. This new AI model is built on a 1.5-trillion-parameter V9 model. What's interesting is Grok 4.5 incorporates data from the recently acquired coding assistant, Cursor. This aims to boost its technical reasoning. Elon Musk announced this latest iteration of xAI’s model has started internal testing. It's a significant jump from the previous 0.5-trillion-parameter V8-small model that powers user traffic on X. The integration of Cursor data is designed to improve Grok 4.5's coding proficiency and complex problem-solving. Early internal evaluations suggest Grok 4.5 is approaching or potentially exceeding the performance of Anthropic's Claude Opus. The bottom line is xAI plans monthly new model launches to sharpen its competitive edge in the fast-moving AI market.