Tesla spent about $4.8 million on Elon Musk's security in 2025, up from $2.8 million the year before, according to an SEC filing.

See, part of Musk’s contention in the trial is that he gave OpenAI all that money—which helped keep the lights on back in the day, even if it’s an incredibly tiny fraction of the kind of investments the Microsoft-backed firm gets now—because he’s genuinely worried about the Rise Of The Machines.