Morgan Chittum / CNBC:OpenAI CFO Sarah Friar says OpenAI is raising an additional $10B from a16z, D.E. Shaw, MGX, TPG, and others, bringing its record fundraise to “north of $120B” — OpenAI is raising an additional $10 billion from investors as part of its historic funding round, CFO Sarah Friar told CNBC's Jim Cramer on Tuesday.