Elon Musk announced Digital Optimus, a joint xAI-Tesla AI project, contradicting his 2024 claim that Tesla had 'no need' for xAI — amid an ongoing breach of fiduciary duty lawsuit.

Elon Musk unveiled a Tesla-xAI joint project, “Macrohard,” or "Digital Optimus," on March 11, which is capable of doing what an entire software company does, as per Musk’s X (formerly Twitter) post.