OpenAI CEO Sam Altman walks past the fourth floor window at the Ronald V. Dellums US Courthouse in Oakland, California on April 28, 2026. Opening remarks are set for April 28 in a courtroom showdown between billionaire Elon Musk and OpenAI over whether the artificial intelligence company betrayed its non-profit mission. The legal clash across the bay from San Francisco pits the world's richest person against a startup Musk once backed and now competes with in the booming AI sector. (Photo by Karl Mondon / AFP via Getty Images)

Steven Molo (R), attorney for Elon Musk, arrives at the federal courthouse as opening statements begin in the trial over Elon Musk's lawsuit against OpenAI in Oakland, California, on April 28, 2026. Opening remarks are set for April 28 in a courtroom showdown between billionaire Elon Musk and OpenAI over whether the artificial intelligence company betrayed its non-profit mission. The legal clash across the bay from San Francisco pits the world's richest person against a startup Musk once backed and now competes with in the booming AI sector. (Photo by Karl Mondon / AFP via Getty Images)

People wait in line to enter the federal courthouse as opening statements begin in the trial over Elon Musk's lawsuit against OpenAI in Oakland, California, on April 28, 2026. Opening remarks are set for April 28 in a courtroom showdown between billionaire Elon Musk and OpenAI over whether the artificial intelligence company betrayed its non-profit mission. The legal clash across the bay from San Francisco pits the world's richest person against a startup Musk once backed and now competes with in the booming AI sector. (Photo by Karl Mondon / AFP via Getty Images)

Elon Musk arrives at the federal courthouse as opening statements begin in the trial over Elon Musk's lawsuit against OpenAI in Oakland, California, on April 28, 2026. Opening remarks are set for April 28 in a courtroom showdown between billionaire Elon Musk and OpenAI over whether the artificial intelligence company betrayed its non-profit mission. The legal clash across the bay from San Francisco pits the world's richest person against a startup Musk once backed and now competes with in the booming AI sector. (Photo by Karl Mondon / AFP via Getty Images)

TOPSHOT - Elon Musk arrives at the federal courthouse as opening statements begin in the trial over Elon Musk's lawsuit against OpenAI in Oakland, California, on April 28, 2026. Opening remarks are set for April 28 in a courtroom showdown between billionaire Elon Musk and OpenAI over whether the artificial intelligence company betrayed its non-profit mission. The legal clash across the bay from San Francisco pits the world's richest person against a startup Musk once backed and now competes with in the booming AI sector. (Photo by Karl Mondon / AFP via Getty Images)

Elon Musk arrives at the federal courthouse as opening statements begin in the trial over Elon Musk's lawsuit against OpenAI in Oakland, California, on April 28, 2026. Opening remarks are set for April 28 in a courtroom showdown between billionaire Elon Musk and OpenAI over whether the artificial intelligence company betrayed its non-profit mission. The legal clash across the bay from San Francisco pits the world's richest person against a startup Musk once backed and now competes with in the booming AI sector. (Photo by Karl Mondon / AFP via Getty Images)

Elon Musk arrives at the federal courthouse as opening statements begin in the trial over Elon Musk's lawsuit against OpenAI in Oakland, California, on April 28, 2026. Opening remarks are set for April 28 in a courtroom showdown between billionaire Elon Musk and OpenAI over whether the artificial intelligence company betrayed its non-profit mission. The legal clash across the bay from San Francisco pits the world's richest person against a startup Musk once backed and now competes with in the booming AI sector. (Photo by Karl Mondon / AFP via Getty Images)

This photo illustration shows the Deepseek app on a mobile phone in Beijing on April 28, 2026. Chinese startup DeepSeek released a new artificial intelligence model with "drastically reduced" costs on April 24, more than a year after it stunned the world with a low-cost reasoning model that matched the capabilities of US rivals. (Photo by GREG BAKER / AFP via Getty Images)