<ul data-eligibleForWebStory="false">Thinking Machines Lab closes $2B seed round at $12B valuation led by Andreessen Horowitz.The AI startup founded by Mira Murati attracts investors Nvidia, Accel, and more.The company hints at unveiling its first product focusing on collaborative general intelligence.With a distinctive governance structure, the company aims to advance AI capabilities.Competing in the AI arms race, the firm must show progress to justify valuation.