The most obvious Elon Musk investment is his $1.6 trillion electric vehicle and technology company, Tesla. Musk owns about 12% of Tesla's stock, and he serves as the CEO of the company.

Elon Musk agreed with a post highlighting Google CEO Sundar Pichai's vision of space-based data centers becoming "the new normal" within a decade. This aligns with Musk's own long-held views on utilizing space for large-scale infrastructure.

Musk has accused Anthropic, another rival of xAI, of using stolen data to train its artificial intelligence models.

Elon Musk made repeated references to an AI "Terminator" scenario while testifying before a California federal jury about OpenAI's for-profit move.

Elon Musk on Tuesday testified that his lawsuit against OpenAI and its leaders goes well beyond one company and into the future of a technology that “could also kill us all.”