OpenAI Exodus: Why Are Co-Founders Leaving Mira Murati's Thinking Machines Lab? (2026)

Mira Murati's startup, Thinking Machines Lab, is facing a significant challenge as two of its co-founders are leaving to join OpenAI. This is a notable development, especially considering the startup's recent success in securing a $2 billion seed round and its high-profile team of former OpenAI, Meta, and Mistral AI researchers. The departures of Barret Zoph, the CTO, and Luke Metz, another co-founder, come just a few weeks after Mira Murati, the former CTO of OpenAI, left the company to co-found Thinking Machines. The loss of these key personnel, particularly the CTO, could be a setback for the startup's growth and development. The situation is further complicated by the fact that another former OpenAI staffer, Sam Schoenholz, is also returning to the company. This series of events raises questions about the stability and future direction of Thinking Machines Lab, especially in the highly competitive AI industry.

OpenAI Exodus: Why Are Co-Founders Leaving Mira Murati's Thinking Machines Lab? (2026)
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