OpenAI closed a $122B funding round led by SoftBank, a16z, and others at an $852B post-money valuation, after previously announcing the round would total $110B (Ashley Capoot/CNBC)

Ashley Capoot / CNBC: OpenAI closed a $122B funding round led by SoftBank, a16z, and others at an $852B post-money valuation, after previously announcing the round would total $110B — OpenAI on Tuesday announced that it closed a record-breaking funding round at a post-money valuation of $852 billion.