He added that OpenAI should now change its name to "maximum profit AI," or to "closed for voracious profit."
CNBC has contacted OpenAI for comment. Altman in December said that his company decided to move to a capped-profit structure in part because Musk stopped funding it, while supporters of OpenAI's conversion to a fully for-profit public benefit corporation — which could take two years — say this will better allow it to scale and make it more attractive to investors.