OpenAI CEO Sam Altman is leading one of the most valuable companies in the world. Jason Redmond/AFP/Getty ImagesOpenAI is in talks to raise more funding that would value it at over $100 billion.Thrive Capital leads the round with a $1 billion investment, the Journal reported.OpenAI's eye-popping valuation comes despite a string of high-profile controversies.The company leading the AI arms race may be about to become even more valuable.OpenAI is in talks to raise a new round of funding that would value it at more than $100 billion, according to The Wall Street Journal.The round is led by venture firm Thrive Capital, which will invest $1 billion, the Journal reported, citing people familiar with the deal.