Elon Musk, the close Trump adviser who has his own AI company and was notably not at the press conference, erupted Wednesday with a relentless stream of online mockery. “They don’t actually have the money,

He previously floated a joint venture, saying that the US should be entitled to half of the app.

The project backed by Oracle, OpenAI, and SoftBank was announced by President Donald Trump Jan. 21, but it's not without its detractors.