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Sergey Brin on returning to work on AI: interview summary

Sergey Brin, Google Co-Founder | All-In Live from Miami

All-In Podcast · May 20, 2025 · about 33 min

Uploaded May 20, 2025 · 359.3K views (as of Oct 30, 2026)

Some value given

Brin retired right before COVID and later came back to Google.
He works directly with the Gemini team on technical details.
He says AI is the most exciting time in computer science he has seen.
He notes the field moved toward one general model over many special ones.
He talks about how fast competition in AI is moving.

Why did Sergey Brin come back to work at Google?

He had retired just before COVID, then felt bored and stuck at home. He started going into the office and found AI was the most exciting time in computing he'd seen. He now works with the Gemini team, writing code and getting into technical details.

Worth watching?Some value given. A short, casual talk on why Brin came back to work at Google on AI. Good insight into how a founder returns to the work he loves.

ActionableLessons

Actionable

If you feel bored, go back to the work that excites you.
Spend time with the people doing the real work.
Learn one new technical skill this month.
Watch for when your field shifts from special tools to one general tool.

Lessons

Founders often return to their craft.
Hands-on work keeps leaders sharp.
Big shifts reward curiosity.
General tools can replace special ones.

Quick answer

Sergey Brin sat down with All-In Podcast for this interview, published May 20, 2025. Here's our summary in our own words: a verdict, the answer to the big question, 5 takeaways, Actionable and Lessons tabs, then the stories, frameworks and how to use them.

What 125x is: 125x is a web app at 125x.app. You connect your YouTube subscriptions, and it gives you a feed of the latest videos from the channels you follow, each with a summary: a verdict, the 5 key takeaways, and the spoiler, plus Actionable and Lessons tabs with more tips. You read that and decide what's actually worth opening.

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Watch the interview

Watch on YouTube: Sergey Brin, Google Co-Founder | All-In Live from Miami

Channel: All-In Podcast. Published May 20, 2025. About 33 minutes.

Who is Sergey Brin?

Sergey Brin co-founded Google with Larry Page in 1998.

This is a short interview on the All-In Podcast.

Key stories from the interview

He describes retiring and coming back.
He explains what he works on with Gemini.
He talks about the move to one big model.
He shares thoughts on AI competition.

Frameworks and ideas

Back to the craft.
Hands-on leadership.
One general model.
Curiosity over comfort.

In their words (paraphrased)

I retired like a month before COVID hit.
This is like the greatest transformative moment in computer science ever.
Some of the most fun I've had in my life honestly.

How to apply this

Write down the work you'd do even if you didn't have to.
Spend an hour with your most technical team.
Try one new AI tool this week.

Read the biography

Want the longer story? Read our In the Plex summary.

A note on this summary

This page reports what was said in the interview, in our own words. Lines under 'In their words' are paraphrased from the transcript, so check the video for exact wording.

How 125x does this for your feed

This page is one sample of what 125x does for every video in your feed. 125x pulls in your YouTube subscriptions automatically, so there's nothing to set up. Each new video gets a watch, skim or skip verdict, 5 takeaways, the answer to the clickbait title, and Actionable and Lessons tabs.

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FAQ: questions people ask

Why did Sergey Brin return to Google?

He was bored in retirement and found AI too exciting to miss.

What does Sergey Brin work on now?

He works with the Gemini team on technical details.

Is the Sergey Brin All-In interview worth watching?

Some value given. Short and candid.