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Robby Stein
@rmstein
VP, Product @Google Search. Building what’s next in AI-powered search and discovery. Fueled by curiosity and coffee.
296 Following    13.6K Followers
Shipping Gemini 4 Carbon in Search today for Google AI Ultra subs! With deeper reasoning & better instruction following, you’ll get more helpful responses for your toughest questions in AI Mode. I’ve loved using this internally – excited for more people to try it out.
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Today, we’re making it even easier to research & book home services with direct links in AI Mode through partners like @angi_home @thumbtack @housecall & @GetJobber (and @ServiceTitan coming soon). It's available now in the U.S. I had a plumbing emergency at home recently (main line backed up, water coming up fast), and Search really came through. Pulled up AI Mode and just described my situation. It handled everything: compared local pricing, checked reviews, and made recommendations based on my situation. I quickly booked a great plumber who came right out and got it fixed. Give it a try the next time you need a hand around the house.
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People often ask me what I look for when hiring Product Managers. Sure, there’s the usual checklist: strong vision, sharp prioritization, and the drive to ship. But the attribute I value most is curiosity. (Fun fact: I once thought about naming a new company Curious!) A curious mind is restless. It’s never satisfied with a surface-level understanding of how systems work. The PMs who consistently make the best decisions are the ones who refuse to stop asking “why.” That curiosity usually shows up in three ways: 🔹 Curiosity about human behavior = Empathy. You can't build a great product until you truly care about the person using it – their struggles, their habits and what they actually need. 🔹 Curiosity about other perspectives = Humility. The best PMs actively look for ways they might be wrong. They look at problems from different angles to make sure they get it right for the user. 🔹 Curiosity about how things work = Relentless progress. This is what drives momentum. It's the constant urge to uncover a better, simpler way to solve a problem. It comes back to a deep refusal to accept the constraints you're given, and the will to find a way. Skills help you ship a product, but curiosity is what helps you build something people truly love.
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It’s about to get much easier to access your go-to apps right in Search. We just opened the public preview for our Connected Apps Platform - a single place for developers to build once & integrate across Search & @GeminiApp. Developers can get started here: In the coming weeks, we’ll also launch new Search integrations with @adobe @calm @onepeloton for design help, meditation, and fitness. Plus many more to come!
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Sharing our latest model: Gemini 4 Carbon. It’s great to see the pace of iteration from our teams!
I did say we'd be releasing our models periodically...introducing Gemini 4 Carbon, our next frontier model. Following Argon's release just two weeks ago, Carbon shows the pace at which we’re pushing the frontier, it ranks #1# on the recently updated v5.0 of @ArtificialAnlys Intelligence Index at 59. It also leads across key cybersecurity evaluations scoring 88.2% on SEC-bench Pro for finding vulnerabilities, 54.8% on ExploitGym for exploitation, and 71.0% on CWE-bench for patching. We’re seeing significant improvements in long-horizon tasks even compared to Argon, and we’ve strengthened frontier safeguards. As we did with Argon, we’re going to roll it out gradually + responsibly. Some trusted cyber defenders will get access starting this week. We'll be expanding it to more partners through our Fairwind Program, ahead of wider availability soon, so hang tight!
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I love it when AI Mode builds tools as you need them. For e.g. learning how synthesizers actually work. Instead of explaining wave theories, AI Mode built a playable synth soundbox. Real time visuals map to instant audio changes, plus a fully playable keyboard. It's so useful watching abstract concepts quickly turn into something you can actually play with!
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Great convo with @sundarpichai & @Kantrowitz
New: I spoke with @sundarpichai about Google's commitment to the AI frontier, how close we are to RSI, balancing DeepMind's compute needs vs. Google Cloud profits, and much, much more. Full Big Technology Podcast episode here --> Chapters: 0:00 Introduction 1:14 Google’s Frontier AI Strategy 3:47 Do Frontier Models Really Matter? 6:35 The Future of AI Agents 7:39 Recursive Self-Improvement 12:58 World Models and the Path to AGI 14:56 Google’s Compute Dilemma and AI Infrastructure 19:36 Is AI Overbuilt? 23:35 The Future of the AI Interface 31:42 Google’s Answer to Muse and Dots 35:03 Apple, Space Data Centers, and AI Coding 41:42 Optimism and AI’s Future
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Our latest data is in, and here’s exactly when you’ll get the best deals this holiday shopping season: > Black Friday for travel accessories (but late Dec for deeper discounts on luggage) > First two weeks after Black Friday for lowest prices on fragrances > Mid-Dec for peak deals on handbags > Late Dec for steepest markdowns on tech toys Check out our first ever When to Buy Guide (which looked at Search trends, promo patterns & discount data from 2025) here:
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Awesome to see how Preferred Sources in Search has resonated with people: usage has grown more than 7x since the start of the year. We want to make it easy for you to find the outlets you really value & explore the web. Sharing updates to do just that: - We’re increasing inline links & making them more prominent in AI Overviews & AI Mode - Article carousels for timely topics are coming to more countries - We’re also testing direct links to creator & publisher Search profiles in video results
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Fun day at TC Disrupt talking about what it takes to build products at scale. Thanks for having me, @TechCrunch @kirstenkorosec!
Gemini 4 Argon is now rolling out globally in Search! Built to solve your hardest problems, Argon brings big improvements to tackling nuanced, multi-step tasks in AI Mode. It’s better at understanding your intent and following your instructions in back and forth conversations. Available starting today for Google AI Pro & Ultra subs, tap the ➕ icon to switch over to Argon and test it out.
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Why do we want what we want? It's a question I’ve been thinking about a lot since reading about René Girard’s work on mimetic desire. Did I choose this goal for myself, or did my environment choose it for me? When you work around high achieving people, aspirations spread through osmosis. It’s dangerously easy to absorb your peer group's definition of success and mistake it for your own. Real self-awareness is having the discipline to audit your goals. What do you really want for yourself from first principles? Make sure you aren't sprinting down someone else's track.
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Building for billions isn't that different from building for a hundred. The real challenge of scale? Keeping the same focus and dedication to craft. Looking forward to chatting with @kirstenkorosec next week on the @TechCrunch Disrupt Builders Stage about how PMs should rethink product decisions in today’s environment.
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From first users to billions: Google’s Robby Stein joins TechCrunch Disrupt 2026. Lean in on this Builders Stage session. Save up to $200 before Sept 25.
Pretty awesome that today’s Google Doodle celebrates World Space Week with a never-before-seen image of the Rosebud Nebula straight from the James Webb Space Telescope (in collab with @NASA) Definitely worth taking a look 🌌
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Nano Banana 2.1 is rolling out in AI Mode in Search! Open the Google app & tap the 🍌 icon under the Search box to get started creating.
Meet Nano Banana 2.1, our latest image generation and editing model 🍌 This upgraded version outperforms our previous models across the board, with notable leaps in visual design, mask-based editing, and subject consistency to help you create more natural-looking images.
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One of our most requested updates for Search profiles is live today: expanding to new countries! Starting today, creators and publishers in India 🇮🇳 and Canada 🇨🇦 can set up their own dedicated home base on Google – followed by Brazil 🇧🇷 rolling out soon. Excited to get this into more hands!
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We rolled out Search profiles. It’s a brand new, dedicated home for creators and publishers to shape their presence and connect with their audiences on Search. With Search profiles, you can: > Showcase your latest articles, videos, and social posts in one central hub > Allow people to easily follow you, so your content is more likely to appear on Discover > Customize your presence with an avatar, bio, and links to your platforms Available first for creators with a notable following.
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Looking at 5 years of Google Flights data: book your holiday travel ASAP! ✈️ Fares for Thanksgiving are lowest 21-57 days out – making Oct the prime booking window. Other tips: > Sweet spot for Christmas travel is late Oct–mid Nov. > Spring break prices are lowest 50 days before departure. > Summer vacation best prices hit 21 days before departure
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Nothing in my career went according to plan. Looking back, that was the best thing that could have happened. In college, I was convinced that I was going to be a lawyer. But my passion for building led to my first big pivot: packing up my life and moving across the country to join Google. Early Google taught me what big swings look like – a culture of unbridled ambition where anything felt possible. But the itch to build from zero to one took over, and after several years, I left to start my own company. Running a startup was a masterclass in ambiguity. When you build from scratch, you quickly realize the 5-year career blueprint is an illusion – the plan changes every day based on what users actually need. That mindset carried over to Instagram, where the focus shifted from building from zero, to hyper-growth and scaling experiences globally. Returning to Google brought everything full circle. It reaffirmed for me that who you build with matters just as much as what you build. If you’re navigating your own path, don’t feel pressured to follow a rigid plan. Follow your curiosity, tackle hard problems, and let the journey unfold opportunistically. Letting go of the plan was the best career move I ever made.
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One of the things I love most about Google is the drive to make big bets - huge congrats to the Suncatcher team!
I remember the first meeting where the team pitched the idea of putting compute in space - exciting idea! Today's successful launch with our partner @planet prototype satellite shows how far we've come...and how far there is to go. Thanks for the lift, @SpaceX, another spectacular booster landing too🚀
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exciting first look at our new frontier model
Lots of discussion out there about our next model(!), so I wanted to give an early look as soon as possible. Introducing Gemini 4 Argon! It shows frontier performance in complex workflows, cyber defense and software engineering. Teams are using it extensively at Google, from coding to quantum computing, great feedback. Here’s a look at the benchmarks:
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