OpenAI surpassed SpaceX to grow to be the world's most precious startup with a valuation of $500 billion

OpenAI surpassed SpaceX to grow to be the world's most precious startup with a valuation of $500 billion<p>OpenAI grew to become the world's largest startup after a deal that allowed staff to promote shares at a valuation of $500 billion. This places OpenAI above SpaceX and coincides with negotiations to grow to be a business firm.</p>