**["Macrohard" Challenges Microsoft: Musk Announces Tesla and xAI to Jointly Develop Macrohard, Using AI to Simulate a Software Company]** According to a report by Golden Finance, Elon Musk is further expanding his artificial intelligence (AI) ecosystem. On Wednesday, November 11 (Eastern Time), Musk announced via his social media platform that Tesla and his AI startup xAI will jointly develop a new AI project called "Digital Optimus," also known as Macrohard. The project aims to create an AI agent system capable of automatically executing software tasks. Musk stated that this system could theoretically "simulate a complete software company," automatically performing programming, operating software, and executing complex workflows through AI. Industry experts view this as not only a significant step forward in AI agent technology but also as an indication that Musk is accelerating the integration of AI resources across his companies, combining large-scale model capabilities with real-world AI applications.