Jeff Dean (@JeffDean) / X

Jeff Dean

9,410 posts

Jeff Dean

@JeffDean

Chief Scientist, Google DeepMind & Google Research. Gemini Lead. Opinions stated here are my own, not those of Google. TensorFlow, MapReduce, Bigtable, ...

research.google/people/jeff

Joined September 2017

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Jeff Dean
@JeffDean
Dec 3, 2018
In April, '17, @jsomers of @NewYorker reached out & said he wanted to do a small profile of me & my longtime colleague Sanjay Ghemawat, watch us work for a few hours, maybe dinner, etc. It came out today. I think it captures our working style really well.
The Friendship That Made Google Huge
From newyorker.com
Jeff Dean
@JeffDean
23h
Thanks for an engaging conversation at @ChaseCenter last weekend, @sdianahu! My first in a basketball arena!
Y Combinator
@ycombinator
Jul 30
In 2001, @JeffDean and Sanjay Ghemawat did the math and realized Google’s entire search index would fit in RAM — then shipped it in a few days, and search got fast. In 2013, another napkin calculation showed that three minutes of daily speech recognition per user would require
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Jeff Dean
@JeffDean
Jul 21
A nice aspect of our new Gemini 3.6 Flash model is that it is much more token efficient than our 3.5 Flash model. Here's a side-by-side demonstration of that. Nice work by everyone who worked on this model and release!
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Google DeepMind
@GoogleDeepMind
Jul 21
We’re rolling out three new models to make AI agents faster, smarter, and cheaper at scale: 🔵 Gemini 3.6 Flash: It uses fewer tokens than 3.5 Flash to deliver higher quality work at the exact same cost. 🔵 Gemini 3.5 Flash-Lite: A fast, cost-effective option for everyday tasks
Jeff Dean
@JeffDean
Jul 20
Yesterday I was fortunate enough to go to my first-ever World Cup game, with my long-time colleagues/friends @OriolVinyalsML and @quocleix and their spouses). We were sitting in the corner area and had a quite good view of the goal! I present to you a 43 second multi-part drama
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Jeff Dean
@JeffDean
Jun 30
The video from the commencement speech I gave a couple of weeks ago at @uwcse is now up. Congratulations again to all the graduates, and thanks for having me, @MBalazinska! youtu.be/Pvkmwh7Mito?si… (video is of whole ceremony: my part starts around the 3 minute mark)
Jeff Dean
@JeffDean
Jun 13
I enjoyed giving the commencement address at the University of Washington Allen School @uwcse graduation this evening. So many happy students and their families and friends! Congratulations to all the graduates of the class of 2026! 🎓 Thanks for inviting me, @MBalazinska!
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