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Noam Shazeer joins OpenAI from Google Gemini

|June 18, 2026

7.6

Relevance Score

Noam Shazeer joins OpenAI from Google Gemini — Photo: static.seekingalpha.com · rights & takedowns

Noam Shazeer, a co-author of the 2017 'Attention Is All You Need' paper that introduced the Transformer architecture, announced on June 18 he is leaving Google to join OpenAI. Shazeer held the title of VP of engineering and co-led Google's Gemini AI models. He first joined Google in 2000, later left to lead Character.AI, and returned in 2024 when Google paid roughly $2.7 billion to license Character.AI technology and bring him and colleagues back to lead Gemini development (Reuters; CNBC). Shazeer posted on X: "I'm excited to share that I'll be joining OpenAI and look forward to working with the exceptional team there. It was a difficult decision to move on. I'm incredibly proud of the amazing team at Google and everything we've built together" (Storyboard18). Google told Reuters it was "grateful for Noam's meaningful contributions." The hire comes as OpenAI prepares for a likely IPO amid intense competition for senior AI talent (Reuters; CNBC).

What happened

Noam Shazeer, VP of engineering at Google and co-lead of its Gemini AI models, announced on June 18 on X that he is leaving Google to join OpenAI (Reuters; CNBC). Shazeer is one of the eight co-authors of the 2017 paper "Attention Is All You Need," which introduced the Transformer architecture underpinning virtually every major language model in use today (Storyboard18; The Information). Reuters reported the departure comes under two years after Google paid roughly $2.7 billion - primarily a licensing deal for Character.AI technology - that returned Shazeer and a team of researchers to Google in 2024 (Reuters; Storyboard18).

Shazeer wrote on X: "I'm excited to share that I'll be joining OpenAI and look forward to working with the exceptional team there. It was a difficult decision to move on. I'm incredibly proud of the amazing team at Google and everything we've built together" (Storyboard18). Google told Reuters: "We're grateful for Noam's meaningful contributions." Reuters and CNBC note the move comes as OpenAI is preparing for a potential public listing and as leading AI firms compete aggressively for senior talent.

Background

Shazeer first joined Google in 2000. He later left the company to lead Character.AI, a conversational AI startup, before Google's 2024 licensing arrangement brought him back to co-lead Gemini development (Storyboard18; Reuters). Google credited him as a key figure behind Gemini's progress against rival models (Straits Times; Reuters).

What it means

Editorial analysis: A co-inventor of the Transformer architecture moving directly from Google's flagship AI program to OpenAI is one of the more consequential individual talent moves in the current AI cycle. Such transitions typically affect institutional knowledge, model architecture priorities, and research direction over a 12-24 month horizon rather than producing immediate product changes. High-profile cross-lab hires of this profile historically trigger follow-on retention and recruitment responses across competing labs.

Scoring Rationale

Noam Shazeer is a co-inventor of the Transformer architecture and was Google's Gemini co-lead; his direct move to OpenAI is among the most significant individual talent shifts between top AI labs in the current cycle. Well-sourced across Reuters, CNBC, and The Information, with clear near-term implications for both organizations' research trajectories and the broader talent competition dynamic.

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