Grok 4.5 is xAI's frontier model built for coding, agentic tasks, and knowledge work. It was trained in xAI's data centers in Memphis with new datasets spanning science, engineering, and math, including data from Cursor. The model delivers frontier intelligence at leading speeds and cost efficiency, excelling at real-world engineering tasks, office work, and multi-step agentic workflows. It supports configurable reasoning effort (low, medium, or high) and is available in Grok Build, Cursor, and the xAI API.