Thinking Machines Lab Barret Zoph Departure to OpenAI Sparks Leadership Crisis

Can a $50 billion startup survive a mass exodus of its founding team? Mira Murati's Thinking Machines Lab is facing a critical juncture as co-founder Barret Zoph departs for OpenAI following allegations of misconduct and internal friction.

Internal Strife and Ethical Allegations

According to WIRED, leadership at Thinking Machines Lab confronted Barret Zoph last summer regarding an alleged relationship with another employee in a leadership position. While the employee has since left the firm, the confrontation reportedly shattered the working relationship between Murati and Zoph.

Following the breakdown, Zoph explored opportunities with Meta before ultimately securing a role at OpenAI. Notably, Fidji Simo, CEO of applications at OpenAI, indicated that she did not share the ethical concerns raised by Murati's lab.

A Broader Exodus to OpenAI and Meta

The instability isn't limited to Zoph. This week, co-founder Luke Metz and at least three other researchers also defected to OpenAI. This follows the October departure of co-founder Andrew Tulloch to Meta.

Insiders suggest the exodus stems from deeper strategic misalignment regarding the startup's product roadmap. Despite seeking a $50 billion valuation—up from $12 billion—the internal turmoil threatens to undermine investor confidence at a time when the AI talent war is at its peak.