Musk reveals "Macrohard," a combined Tesla-AI project that aims to disrupt software

Tech billionaire Elon Musk on Wednesday unveiled a new joint artificial intelligence initiative between Tesla and his AI startup xAI, introducing a project he described as “Macrohard” or “Digital Optimus.” Musk said the system is designed to emulate many of the functions traditionally performed by software companies.

In a post on his social media platform X, Musk explained that the project combines xAI’s large language model Grok with a Tesla-developed AI agent capable of analysing real-time computer screen video and interacting through keyboard and mouse actions. According to Musk, the Grok model acts as a high-level “navigator,” while the Tesla AI agent executes tasks directly on a computer system.

The development comes as interest grows in “agentic AI” systems that can independently carry out digital tasks. The recent launch of Claude Cowork by Anthropic has already raised concerns among software investors that autonomous AI agents could disrupt traditional software business models by automating many tasks previously handled by human users.

Musk said xAI had previously been working on the Macrohard concept as an experimental project that would allow developers to simulate the creation and functioning of software products built by companies such as Microsoft. He added that, in principle, the system could emulate the functions of entire companies, which inspired the name “Macrohard,” a humorous reference to Microsoft.

According to Musk, the system will run on Tesla’s in-house Tesla AI4 chip combined with Nvidia-based server hardware used by xAI, which he said makes the platform cost-competitive for large-scale AI computing.

The announcement follows a series of financial and corporate developments linking Musk’s companies. In January, Tesla agreed to invest about $2 billion to acquire shares in xAI, strengthening collaboration between the two entities.

More recently, SpaceX acquired xAI in an all-stock transaction that valued SpaceX at about $1 trillion and xAI at approximately $250 billion. The deal comes ahead of a potential initial public offering for SpaceX later this year, with Musk citing the development of orbital data centres as one of the strategic reasons for the merger.

Records from the United States Patent and Trademark Office show that xAI filed a trademark application for the name “Macrohard” in August 2025, indicating the project had been under development for some time.