OpenAI's former CTO, Mira Murati, debuted her new startup, Thinking Machine Labs, last week.The startup is aiming to raise $1 billion at a roughly $9 billion valuation, according to sources familiar with the matter.A spokesperson for Murati declined to comment. Mira Murati's new startup, Thinking Machine Labs, is aiming to raise a $1 billion funding round at a roughly $9 billion valuation, sources familiar with the matter told Business Insider.The round is still in progress, and details could ch...