SpaceXAI has released Grok 4.5, described by multiple outlets as its first model trained with assistance from Cursor. The coverage frames the rollout as part of SpaceXAI’s ongoing development and competitive efforts in the AI model market, including references to prominent public figures associated with Grok’s broader ecosystem. Engadget reports that Grok 4.5 is the first SpaceXAI model built with Cursor’s help, indicating that the company is using the Cursor development environment or workflow in at least some stages of training or production. India Today similarly highlights the release of Grok 4.5 and emphasizes that it is SpaceXAI’s first model developed with Cursor. Across the reports, the central points are the launch of Grok 4.5 and the claim that this version represents a first for SpaceXAI in incorporating Cursor into its model-building process. The articles do not provide detailed performance benchmarks or independent verification in the excerpts provided, focusing instead on the announcement and the tooling involvement behind the release.