Bret Taylor, Chairman of the board of directors of OpenAI, arrives at the federal courthouse during proceedings in the trial over Elon Musk's lawsuit against OpenAI in Oakland, California, on May 12, 2026. OpenAI CEO Sam Altman is expected to take the stand Tuesday in the blockbuster civil trial in California triggered by a lawsuit from the world's richest man Elon Musk against the AI behemoth. Musk, the founder of Tesla and SpaceX, alleges that Altman and co-founder Greg Brockman misappropriated his $38 million donations when OpenAI abandoned its original nonprofit and philanthropic mission to become the for-profit giant behind ChatGPT. (Photo by JOSH EDELSON / AFP via Getty Images)

Boxes of legal materials are brough into the federal courthouse during proceedings in the trial over Elon Musk's lawsuit against OpenAI in Oakland, California, on May 12, 2026. OpenAI CEO Sam Altman is expected to take the stand Tuesday in the blockbuster civil trial in California triggered by a lawsuit from the world's richest man Elon Musk against the AI behemoth. Musk, the founder of Tesla and SpaceX, alleges that Altman and co-founder Greg Brockman misappropriated his $38 million donations when OpenAI abandoned its original nonprofit and philanthropic mission to become the for-profit giant behind ChatGPT. (Photo by JOSH EDELSON / AFP via Getty Images)

Boxes of legal materials are brough into the federal courthouse during proceedings in the trial over Elon Musk's lawsuit against OpenAI in Oakland, California, on May 12, 2026. OpenAI CEO Sam Altman is expected to take the stand Tuesday in the blockbuster civil trial in California triggered by a lawsuit from the world's richest man Elon Musk against the AI behemoth. Musk, the founder of Tesla and SpaceX, alleges that Altman and co-founder Greg Brockman misappropriated his $38 million donations when OpenAI abandoned its original nonprofit and philanthropic mission to become the for-profit giant behind ChatGPT. (Photo by JOSH EDELSON / AFP via Getty Images)

Boxes of legal materials go through security upon arrival at the federal courthouse during proceedings in the trial over Elon Musk's lawsuit against OpenAI in Oakland, California, on May 12, 2026. OpenAI CEO Sam Altman is expected to take the stand Tuesday in the blockbuster civil trial in California triggered by a lawsuit from the world's richest man Elon Musk against the AI behemoth. Musk, the founder of Tesla and SpaceX, alleges that Altman and co-founder Greg Brockman misappropriated his $38 million donations when OpenAI abandoned its original nonprofit and philanthropic mission to become the for-profit giant behind ChatGPT. (Photo by JOSH EDELSON / AFP via Getty Images)

Marc Toberoff, attorney for Elon Musk, arrives at the federal courthouse during proceedings in the trial over Elon Musk's lawsuit against OpenAI in Oakland, California, on May 12, 2026. OpenAI CEO Sam Altman is expected to take the stand Tuesday in the blockbuster civil trial in California triggered by a lawsuit from the world's richest man Elon Musk against the AI behemoth. Musk, the founder of Tesla and SpaceX, alleges that Altman and co-founder Greg Brockman misappropriated his $38 million donations when OpenAI abandoned its original nonprofit and philanthropic mission to become the for-profit giant behind ChatGPT. (Photo by JOSH EDELSON / AFP via Getty Images)

Marc Toberoff, attorney for Elon Musk, arrives at the federal courthouse during proceedings in the trial over Elon Musk's lawsuit against OpenAI in Oakland, California, on May 12, 2026. OpenAI CEO Sam Altman is expected to take the stand Tuesday in the blockbuster civil trial in California triggered by a lawsuit from the world's richest man Elon Musk against the AI behemoth. Musk, the founder of Tesla and SpaceX, alleges that Altman and co-founder Greg Brockman misappropriated his $38 million donations when OpenAI abandoned its original nonprofit and philanthropic mission to become the for-profit giant behind ChatGPT. (Photo by JOSH EDELSON / AFP via Getty Images)

WASHINGTON, DC - MAY 12: Chairman Sen. Ted Cruz (R-TX) speaks during a meet and greet with members of the Senate Commerce, Science and Transportation Committee and Artemis II crew in the Russell Senate Office Building on May 12, 2026 in Washington, DC. The committee held the event so that senators could greet the astronauts and celebrate the success of their recent mission orbiting the moon. (Photo by Anna Moneymaker/Getty Images)

WASHINGTON, DC - MAY 12: Chairman Sen. Ted Cruz (R-TX), pilot Victor Glover, commander Reid Wiseman, Ranking Member Maria Cantwell (D-WA), mission specialist Jeremy Hansen, mission specialist Christina Koch, U.S. Sen. Marsha Blackburn (R-TN) and U.S. Sen. Edward Markey (D-MA) pose for photos during a meet and greet with members of the Senate Commerce, Science and Transportation Committee and Artemis II crew in the Russell Senate Office Building on May 12, 2026 in Washington, DC. The committee held the event so that senators could greet the astronauts and celebrate the success of their recent mission orbiting the moon. (Photo by Anna Moneymaker/Getty Images)