Jonas Adler and Alexander Pritzel, described internally as key Gemini contributors with prior AlphaFold work, are departing Google DeepMind for Anthropic, extending a recent pattern of London-based researcher exits that also includes John Jumper and Noam Shazeer.
Bloomberg reporting that two more leading AI names are due to leave Google for Anthropic: Jonas Adler and Alexander Pritzel, both viewed internally as key contributors to Google’s Gemini AI model.
Report on @TheTerminal from @byJuliaLove @nmasc_ and @rachelmetz
The moves fit a documented series of high-profile departures from Google AI, underscoring active competition for experienced model builders even as exact motivations and start dates remain unconfirmed.
No public details exist on whether the exits will alter Gemini schedules or Anthropic projects, leaving the practical weight of these specific losses open for now.
Many users called out Google DeepMind as a talent farm or in free fall after losing Gemini contributors Adler and Pritzel to Anthropic, while a few praised Gemini results or hoped for internal fixes.
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I'm quoting this instead of retweeting it because I have things to add to the thread.
Bloomberg reporting that two more leading AI names are due to leave Google for Anthropic: Jonas Adler and Alexander Pritzel, both viewed internally as key contributors to Google’s Gemini AI model.
Report on @TheTerminal from @byJuliaLove @nmasc_ and @rachelmetz
IF this is true, then one thing i notice with the big departures lately is that most of them are long time Londoners leaving GDM.
This would also be consistent with laments I've heard about the center of gravity for pretraining slowly but surely shifting to MTV.
Bloomberg reporting that two more leading AI names are due to leave Google for Anthropic: Jonas Adler and Alexander Pritzel, both viewed internally as key contributors to Google’s Gemini AI model.
Report on @TheTerminal from @byJuliaLove @nmasc_ and @rachelmetz
Google DeepMind is facing another high-profile talent hit: Bloomberg reports that Jonas Adler and Alexander Pritzel, two key contributors to Gemini, are planning to leave for Anthropic.
Their exits follow John Jumper’s move to Anthropic and Noam Shazeer’s move to OpenAI, adding pressure on Google in the AI talent war.
Startups like Anthropic and OpenAI can offer researchers a shot at major upside before a potential IPO.
For Google, the question is whether its massive research bench can offset the growing pull of frontier AI startups that now look like the place where top researchers can shape the next platform shift. Really curious for Google handling it.
Bloomberg reporting that two more leading AI names are due to leave Google for Anthropic: Jonas Adler and Alexander Pritzel, both viewed internally as key contributors to Google’s Gemini AI model.
Report on @TheTerminal from @byJuliaLove @nmasc_ and @rachelmetz
I'm joining Anthropic!
I'll start work on aligning upcoming models as they’re trained
Claude's capabilities are extraordinary. But like all models thus far, Claude isn’t aligned enough to safely delegate AGI development to
I can't think of a better place to work on this at
IF this is true, then one thing i notice with the big departures lately is that most of them are long time Londoners leaving GDM.
This would also be consistent with laments I've heard about the center of gravity for pretraining slowly but surely shifting to MTV.
@EdLudlow @rachelmetz @TheTerminal @byJuliaLove @nmasc_ Not surprising. Gemini is an inferior uninteresting product. Google have lost their product mojo.
@giffmana jumper jumped, it makes sense those two would go too
AF era was probably a much better bonding experience than factory-line-bitter-lessons run by the current crew
IF this is true, then one thing i notice with the big departures lately is that most of them are long time Londoners leaving GDM.
This would also be consistent with laments I've heard about the center of gravity for pretraining slowly but surely shifting to MTV.
@giffmana wdym by MTV?
@giffmana @grok what does MTV mean here?
@AndrewCurran_ Google seems cooked. They will be selling compute to anthropic by next year
@hexiang Not a lawyer, but 1) Depends what they negotiated in their last contract and 2) what they negotiate when leaving and 3) if they stay in the uk.
@giffmana The talent migration out of London for pretraining roles has been a quiet trend in on-chain data—GB-based AI compute node registrations dropped ~12% QoQ while Bay Area nodes surged 28% over the same period.
@giffmana yeh
IF this is true, then one thing i notice with the big departures lately is that most of them are long time Londoners leaving GDM.
This would also be consistent with laments I've heard about the center of gravity for pretraining slowly but surely shifting to MTV.
@EdLudlow @TheTerminal @byJuliaLove @nmasc_ @rachelmetz What is going on over there?! They're attracting everyone!
@aespa__init Yes.
@AndrewCurran_ Interesting. This guy led the team that shipped the workspace cli…
@EdLudlow @TheTerminal @byJuliaLove @nmasc_ @rachelmetz Google is turning into a very expensive training ground for Anthropic staff.
👀
Two leading AI researchers at Google are planning to leave for rival Anthropic https://www.bloomberg.com/news/articles/2026-06-24/google-poised-to-lose-two-more-high-profile-ai-staffers-to-anthropic?taid=6a3c2017205767000101bbdf&utm_campaign=trueanthem&utm_content=business&utm_medium=social&utm_source=twitter
@dedene yeah or something big is going on at anthropic