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Diana Hu

Managing Partner, Y Combinator

Search every verified Diana Hu interview, podcast appearance, and on-the-record quote — each transcript cross-checked by AI and human review to confirm speaker identity. Diana Hu, Managing Partner at Y Combinator, appeared on the September 2026 episode of The Lightcone podcast, "The State of Startups in 2026," alongside Garry, Jared, and Harj. During the discussion, she shared analysis of Y Combinator's recent startup batches, noting that the percentage of accepted hard tech companies increased from 8% to 20% over the past year. She also reported that the median startup accepted into YC begins with zero revenue but reaches approximately $20,000 in monthly recurring revenue by the end of the batch, up from about $8,000 previously. Hu attributed this acceleration to startups moving from point solutions to full-stack, end-to-end operations, such as agents completing entire workflows like insurance brokering or medical billing. Hu also highlighted a significant rise in solo founders, stating that the share of accepted companies with a single founder grew from roughly 5% to over 18–19%, which she described as the highest spike observed. She commented on a resurgence of experienced founders, noting that some of the most powerful founders are in their late 30s, 40s, or 50s. Additionally, she discussed how AI enables smaller teams to tackle more ambitious problems, describing a moment where newly wired models can resolve previously unsolved issues, and expressed excitement about the potential for continued progress over the next 18 to 36 months.

Recent appearances

  • The State of Startups in 2026

    YC works with thousands of founders every year, which gives us an early look at how startups are changing. Right now, the shift is striking: startups are moving from bits to atoms, nearly one in five YC companies has a solo founder, and companies are reaching meaningful revenue faster than ever. In this episode of The Lightcone, Garry, Jared, Diana, and Harj dig into what’s driving these changes and what they mean for founders. They discuss how AI is making it possible for smaller teams to take on more ambitious problems, why experienced founders are having a resurgence, and why knowing wha…

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  • The Case For Data Centers In Space

    Philip Johnston is the co-founder and CEO of Starcloud, the company building data centers in space. In November 2025, Starcloud launched an Nvidia H100 GPU into orbit and trained the first large language model in space. They've since raised $200 million, hit a billion-dollar valuation just 17 months after YC demo day and filed with the FCC to deploy 88,000 more satellites. In this episode, Philip walks us through their wild origin story, the engineering challenges behind the Starcloud-1, why they booked a SpaceX launch before they even knew what they were building and how data centers in space…

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  • He Built the World's #1 Open-Source Coding Agent

    Jay V is the founder and CEO of Opencode, an open-source alternative to Claude Code that works with any model you want. It's one of the fastest-growing products in AI: 13 million monthly active users, 20X growth this year, and more tokens processed daily than all of OpenRouter. But the overnight success took 16 years, one legal entity, and nine YC applications. In this episode of the Lightcone, Jay explains how Anthropic's attempt to block Opencode accidentally fueled its rise, how 16 years of near-misses prepared him to catch lightning in a bottle, and why most of the world still hasn't exp…

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  • The Age Of The 40-Year-Old Solo Founder Is Here

    Bryant Chou co-founded Webflow, which today powers around 1% of all websites on the internet. Now he's back in the current YC batch with Ploy, an AI-powered website and marketing platform that doesn't just build your site — it connects to your analytics, CRM, and search console to optimize your marketing while you sleep. In this episode of the Lightcone he explains how he built Ploy to be “anti slop,” how building today compares to his first startup, and why founders with domain expertise are making a comeback. Chapters: 00:00 — What Experience Gives You in the Age of AI 00:38 — Meet Bryant C…

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  • YC Demo Day Lightning Round, New Snap AR Glasses, SpaceX Rips, Threads hits 500M Users

    00:04:38 SpaceX Rips 00:11:33 Andrew Lee, co-founder of Firebase (acquired by Google in 2014), discusses his latest venture, Tasklet, an AI agent platform that integrates with various work tools to automate workflows. He highlights Tasklet's rapid growth, achieving a $7 million run rate, and its ability to dynamically generate integrations using AI, enabling connections to both public and internal APIs. Lee also mentions a recent $20 million funding round and emphasizes Tasklet's competitive positioning against major AI labs. 00:21:47 Stamatis Floratos is the co-founder and CEO of Eden Robotic…

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  • François Chollet: Why Scaling Alone Isn’t Enough for AGI

    François Chollet has spent years asking a different question than most of the AI world. Instead of scaling what already works, he’s trying to understand what intelligence actually is—and how to build it from first principles. In this episode of Lightcone, he traces that path from his early work on deep learning to the creation of the ARC prize, and the launch of ARC V3, a new benchmark designed to measure something deeper than performance: the ability to learn, adapt, and reason efficiently in entirely new environments. He explains why today’s systems may be hitting limits, what recent breakth…

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  • AI Is Unlocking Millions Of New Builders

    In this episode of The Lightcone, we talk with Mukund and Madhav Jha, the founders of Emergent - an AI platform that lets anyone build and ship production-ready software. In just eight months, users have created more than 7 million apps on Emergent, with the number doubling in just the last 45 days. We discuss how they built one of the most powerful AI coding agents, why they focused on non-technical users and what it's like building for a global audience from India. Apply to Y Combinator: https://www.ycombinator.com/apply Work at a startup: https://www.ycombinator.com/jobs Chapters: 00:00…

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  • AI-Powered Revenue is Here

    In this episode of Founder Firesides, YC General Partner Diana Hu talks with Ali Akhtar (Co-founder & CEO) and Armen Forget (Co-founder & CTO) of Letter AI, who just announced a $40M Series B. Letter AI is an AI-native sales enablement platform that helps revenue teams ramp faster, generate personalized buyer content during live deals, and practice high-stakes conversations before they happen. After pivoting during YC, the company landed enterprise customers like Lenovo in the batch and has since expanded rapidly. They discuss what they learned from the pivot, how they closed major customers e…

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  • Tips For Technical Startup Founders | Startup School

    YC Group Partner Diana Hu was the CTO of her YC startup Escher Reality, which was acquired by Niantic (makers of Pokemon Go). She shares her advice for being a technical founder at the earliest stages - including topics like how to ship an MVP fast, how to deal with technology choices and technical debt, and how and when to hire an engineering team. Apply to Y Combinator: https://yc.link/SUS-apply Work at a startup: https://yc.link/SUS-jobs Chapters (Powered by https://bit.ly/chapterme-yc) - 00:00 - Intro 00:09 - How to Build and Perpetuate as a Technical Founder 01:56 - What Does a Technic…

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  • Diana Hu on Augmented Reality and Building a Startup in a New Market

    Diana Hu cofounded Escher Reality, which went through the Summer 2017 batch of YC. They were acquired by Niantic and she is now the head of their AR platform.   / sdianahu   https://www.ar.dev/ The YC podcast is hosted by Craig Cannon.   / craigcannon   Y Combinator invests a small amount of money ($150k) in a large number of startups (recently 200), twice a year. Learn more about YC and apply for funding here: https://www.ycombinator.com/apply/ *** Topics 00:00 - Intro 00:15 - Getting into AR 2:30 - Her first exposure to AR 4:15 - AR's future role in media 7:20 - Deciding where to go w…

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  • Startup Technology - Technical Founder Advice

    YC Partner Jared Friedman joins founders Lillian Chou (COO, Second Measure), Diana Hu (CTO, Escher Reality), Calvin French-Owen (CTO, Segment) and Ralph Gootee (CTO, PlanGrid), to talk about what can go right and wrong building technology. Learn more at https://www.startupschool.org/

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