Mira Murati, founder and CEO of Thinking Machine Labs, worked at OpenAI as the chief technology officer for six years. Mira Murati spent six and a half years at OpenAI as its chief technology officer (CTO) before stepping down in September 2024. Now, her AI startup Thinking Machines Lab (TML), which was founded in February, closed a $2 billion seed round this week that values the startup at $12 billion, a spokesperson told TechCrunch. Related: This New AI Startup Led By a Former OpenAI Exec Is Offering $500,000 Salaries"We're building multimodal AI that works with how you naturally interact with the world - through conversation, through sight, through the messy way we collaborate," Murati wrote. The deal was led by Andreessen Horowitz with participation from Nvidia, Accel, ServiceNow, CISCO, AMD, and Jane Street, Murati wrote.