People in Silicon Valley and far beyond have been enthralled by the drama playing out in a courtroom in Oakland, California, where a jury is currently hearing testimony in Elon Musk’s lawsuit against OpenAI cofounders Sam Altman and Greg Brockman.

OpenAI President Greg Brockman told a California jury Tuesday that Elon Musk physically threatened him during a 2017 confrontation, testifying that the billionaire stormed out after he was refused absolute control of the artificial intelligence company.

The bitter feud between Elon Musk and OpenAI's leadership continues to spill into the open since a trial between the two began last week. This legal fight pits two of the world's most prominent AI creators against each other in a case that could have large ramifications for OpenAI's future.

OpenAI president Greg Brockman has described a heated 2017 meeting with Elon Musk over the billionaire's early attempt to control the artificial intelligence (AI) company. Brockman, a co-founder of OpenAI and a defendant in Musk's lawsuit attempting to undo its transition to a for-profit business,

Elon Musk contacted OpenAI's president two nights before his civil trial with this warning, a new document said.

Elon Musk took the witness stand this week in his $150 billion lawsuit against ChatGPT parent OpenAI and CEO Sam Altman.

ABC News’ Linsey Davis speaks with ABC News Contributor Mike Muse about New Mexico’s ongoing litigation against Meta and Elon Musk’s lawsuit with OpenAI and its founder, Sam Altman.

Listen to the ongoing trial regarding OpenAI between Elon Musk and Sam Altman. Elon Musk and Sam Altman, both co-founders of OpenAI, are currently in court as Musk is accusing Altman of abandoning an initial pledge to keep OpenAI a non-profit business.