Elon Musk arrives at the U.S. District Court in Oakland, Calif., Tuesday, April 28, 2026. Godofredo A. Vásquez/AP hide caption toggle caption Godofredo A. Vásquez/AP Elon Musk, of Tesla, SpaceX and DOGE fame, said in court on Wednesday he was "a fool" for putting money into the artificial intelligence company OpenAI, which started off as a nonprofit but later created a for-profit arm. Musk is suing OpenAI, CEO Sam Altman and others, claiming, as his attorney put it, that they " stole a charity ." OpenAI was founded in 2015 as a nonprofit to develop AI for the benefit of humanity. Musk left its board in 2018 after a disagreement about how to structure and run the for-profit arm created to raise money and attract top talent. Musk is now seeking the ouster of Altman and OpenAI president Greg Brockman, and the rollback of the for-profit structure, moves that could radically alter the competitive landscape for artificial intelligence.…