In 2024, Google paid $2.7 billion to bring Noam Shazeer back. Shazeer invented the transformer architecture, the foundation behind GPT, Gemini, and Claude. Google said: “We can’t lose this person.”
June 2026. Shazeer is leaving Google for OpenAI.
This isn’t one person’s story. It’s a pattern. Google DeepMind’s best researchers are walking out the door to AI startups, one by one.
Who Left?
Noam Shazeer — The man who invented the transformer. Co-lead of Google’s Gemini model. Google paid $2.7 billion to buy him back from Character.AI. Now joining OpenAI. (Reuters, CNBC, The Information)
John Jumper — Co-creator of AlphaFold. Won the 2024 Nobel Prize alongside Demis Hassabis for protein structure prediction. Spent nearly nine years at Google DeepMind. Now joining Anthropic. (CNBC, Business Insider, the-decoder.com)
Ruoming Pang — Meta hired him for $200 million to lead their Superintelligence team. He jumped to OpenAI after just 7 months. (observer.com)
4 Apple AI researchers — Including Apple’s top Siri leader, all departed. (MacDailyNews)
9 of 12 xAI co-founders — Left Musk’s AI lab. (tech-insider.org)
Why Are They Leaving?
One thing is clear. The problem isn’t pay. Google pays well. The problem is autonomy.
The Los Angeles Times reported that Google researchers are quitting over a “compute crunch” — internal competition for GPU access that slows down research and frustrates top talent. (LA Times)
At startups? Start an experiment today. Fail tomorrow. Try again. Nobody’s stopping you.
OpenAI and Anthropic have another card to play — equity. Google has RSUs, but startup equity can be worth far more. OpenAI has filed for a US IPO, targeting a valuation of up to $1 trillion. Early equity holders could see massive payouts. (Reuters, Cybernews)
What Is Google Doing?
Google isn’t sitting still.
1. Throwing money at retention
They paid $2.7 billion to bring Shazeer back. Two years later, he left again. Money can’t hold people.
2. Compute advantage
Google has massive GPU clusters. Startups don’t. But the LA Times report suggests even Google’s compute advantage is causing internal friction — too many teams competing for the same resources.
3. Product momentum
Despite the exodus, Google’s AI products remain strong. Gemini 2.5 is competitive. DeepMind continues publishing breakthrough research. Accenture recently expanded its partnership with Google Cloud for enterprise AI using Gemini. (Axios)
The question is whether product momentum can outlast the talent drain.
Why This Matters
Think about it. Noam Shazeer invented the transformer. That’s the foundation of the AI revolution. That person is now working at OpenAI.
John Jumper cracked protein folding. Anthropic just picked him up.
Google spent billions on their research. When those researchers mature, they leave for other companies. The question is whether this brain drain eventually shows up in Google’s products — or whether Google’s scale and compute advantage compensate for it.
Demis Hassabis is still there. But the people around him are thinning out.
The question is — which path are you on? Big corporate, scrappy startup, or building something of your own? 🙏
Sources:
- Reuters — Google Gemini co-lead Noam Shazeer to join IPO-bound OpenAI
- Reuters — OpenAI files for US IPO after Anthropic
- CNBC — John Jumper to leave Google DeepMind for Anthropic
- Business Insider — AlphaFold pioneer leaves DeepMind for Anthropic
- the-decoder.com — DeepMind loses another top AI researcher
- The Information — Star Google AI Researcher Shazeer Joins OpenAI
- observer.com — Ruoming Pang Meta $200M hire jumps to OpenAI
- tech-insider.org — 9 of 12 xAI Co-Founders Have Left
- MacDailyNews — Four AI researchers, top Siri leader depart Apple
- LA Times — Inside the AI compute crunch driving Google researchers to quit
- Axios — How Google DeepMind is winning the AI financing race
- Cybernews — OpenAI files for IPO amid trillion-dollar AI boom
- Finimize — DeepMind’s AlphaFold Co-Creator Joins Anthropic
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