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Chronicles

The story behind the story

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Fidji Simo says Barret Zoph, Luke Metz, and Sam Schoenholz have returned to OpenAI from Thinking Machines Lab and “this has been in the works for several weeks”

Excited to welcome Barret Zoph, Luke Metz, and Sam Schoenholz back to OpenAI! This has been in the works for several weeks, and we're thrilled to have them join the team. Barret will report to me; Luke and Sam will report into Barret. More to come on what they'll focus on soon!

@fidjissimo Fidji Simo

Discussion

  • @shaneguml Shane Gu on x
    Maybe the true AGI is the friends you made during your Google Brain residency (so you can keep joining OpenAI)
  • @yuchenj_uw Yuchen Jin on x
    2 co-founders of Thinking Machines (Barret & Luke) left and rejoined OpenAI. What happened?? AI labs have more drama than K-dramas... [image]
  • @ns123abc Nik on x
    🚨🚨🚨BREAKING: OPENAI JUST POACHED 3 RESEARCHERS BACK FROM THINKING MACHINES Barret Zoph > VP of Research (Post-Training) at OAI > Co-Founder & CTO at @thinkymachines Luke Metz and Sam Schoenholz > OpenAI Research Scientist > Member of technician staff at TML [image]
  • @barret_zoph Barret Zoph on x
    Super excited to join the team!
  • @signulll @signulll on x
    uh, so like thinking machines completely imploded today? someone dm me the tea plz. there is more drama in ai than in the desperate housewives of silicon valley.
  • @miyahedge Miya on x
    @fidjissimo “Barret will report to me; Luke and Sam will report into Barret.” is the most status-coded way possible to announce this lmfao
  • @petergostev Peter Gostev on x
    That's quite a coup - all three went to the @thinkymachines - Barret Zoph - left OpenAI in September 2024 to become the CTO (!) of the Thinking Machines - Luke Metz - left in Oct 2024 & was a co-founder (!) of the Thinking Machines - Sam Schoenholz - left in Feb 2025
  • @joannejang Joanne Jang on x
    this is lit, @johnschulman2 can you come back too <3
  • @luke_metro @luke_metro on x
    TBPN interns working overtime today
  • @gavinpurcell Gavin Purcell on x
    starting the believe that in ten years there will be only 200 people with jobs and they will just continually move between three companies
  • @elenarunsnyc Elena Dyachkova on x
    This tweet alongside Fidji Simo's tweet around the move being ‘in the works for several weeks’ and alongside the rumors about OpenAI preparing to go public is insane. No dramatic ai progress, just drama
  • @polynoamial Noam Brown on x
    Looking forward to having them back at @OpenAI!