OpenAI raises $6.6 billion in largest VC round ever AxiosOpenAI Nearly Doubles Valuation to $157 Billion in Funding Round The Wall Street JournalOpenAI tells investor to not invest in five AI startups including Sutskever’s SSI Yahoo FinanceOpenAI closes funding at $157 billion valuation, as Microsoft, Nvidia, SoftBank join round CNBCCathie Wood’s Ark is doubling down on OpenAI with at least $250 million in its new funding round Business Insider