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Inside The Startup Building Reusable Rockets
New Jan 08, 2026 15 min EXPLICIT

Inside The Startup Building Reusable Rockets

Stoke Space is racing to build the world's first fully reusable rockets that can launch, survive reentry, and fly again and again. In this episode of Hard Tech, YC’s Aaron Epstein sits down with St...

What Surprised Us Most In 2025
Dec 22, 2025 30 min

What Surprised Us Most In 2025

2025 was the year AI stopped feeling chaotic and started feeling buildable. In this Lightcone episode, the YC partners break down the surprises of the year, from shifting model dominance to why the...

How Intelligent Is AI, Really?
Dec 17, 2025 11 min

How Intelligent Is AI, Really?

ARC-AGI is redefining how to measure progress on the path to AGI - focusing on reasoning, generalization, and adaptability instead of memorization or scale.During this month's NeurIPS 2025 conferen...

The End of the Designer–Engineer Divide
Dec 12, 2025 42 min

The End of the Designer–Engineer Divide

Head of Design Ryo Lu helped transform Cursor from a feature-layer on top of VS Code into one of the world's leading AI code editors.He joins YC's Aaron Epstein on Design Review to talk about the p...

From Pivot Hell To $1.4 Billion Unicorn
Dec 10, 2025 38 min

From Pivot Hell To $1.4 Billion Unicorn

In just a few years, James Hawkins took PostHog from an idea hacked together right before YC's W20 deadline to a unicorn powering product analytics for thousands of teams.He joins YC's Brad Flora t...

The Best Consumer Startup Ideas Were "Impossible" Until Now
Nov 28, 2025 39 min

The Best Consumer Startup Ideas Were "Impossible" Until Now

Every major shift in consumer tech has a moment when it suddenly becomes accessible to millions. Michael Mignano helped spark one of those moments with Anchor, making podcast creation something any...

Cursor Head of Design Reviews Startup Websites
Nov 20, 2025 35 min

Cursor Head of Design Reviews Startup Websites

Cursor Head of Design Ryo Lu has spent his career at the intersection of design and engineering—from building fan sites as a kid to designing products at Stripe, Asana, and Notion. Now he's rethink...

Inside The Startup Launching AI Into Space
Nov 13, 2025 12 min

Inside The Startup Launching AI Into Space

Starcloud recently made history by launching a satellite with an NVIDIA H100 into orbit — the first time a GPU that powerful has ever operated in space. It's the first step toward building AI data ...

How To Recruit The Best Engineers And Sales Reps
Nov 07, 2025 43 min

How To Recruit The Best Engineers And Sales Reps

Most founders think hiring is about interviewing. But it's actually about selling.For Startup School, Juicebox co-founder & CEO David Paffenholz joins YC's Harj Taggar to share how early-stage ...

From Idea to $650M Exit: Lessons in Building AI Startups
Oct 28, 2025 39 min

From Idea to $650M Exit: Lessons in Building AI Startups

Jake Heller is the co-founder & CEO of Casetext, the AI legal startup behind CoCounsel, which was acquired by Thomson Reuters for $650 million.In his talk at AI Startup School on June 17th, 202...

Transformers: The Discovery That Sparked the AI Revolution
Oct 23, 2025 9 min

Transformers: The Discovery That Sparked the AI Revolution

Nearly every modern AI model, from ChatGPT and Claude to Gemini and Grok, is built on the same foundation: the Transformer.In this video, YC's Ankit Gupta traces how AI learned to understand langua...

YC Partners Answer Your Questions | Office Hours
Oct 21, 2025 38 min

YC Partners Answer Your Questions | Office Hours

Every founder faces moments where they’re not sure what to do next — such as how to go to market with AI products, when to pivot, and who/when to hire.In this episode of Office Hours, YC partners P...

What Everyone Is Getting Wrong About AI And Jobs
Oct 14, 2025 8 min

What Everyone Is Getting Wrong About AI And Jobs

For years, we've heard two major narratives about AI. One predicting the end of human work, the other dismissing it as hype. The truth is more nuanced, and more hopeful.From radiology to software e...

How To Design Products That Truly Stand Out
Oct 13, 2025 35 min

How To Design Products That Truly Stand Out

Karri Saarinen is the co-founder and CEO of Linear, the issue tracking tool used by thousands of high-growth companies. Before Linear, he was the first designer at Coinbase and later a lead designe...

The World's First Commercial Mobile Carbon Capture Device
Oct 09, 2025 12 min

The World's First Commercial Mobile Carbon Capture Device

Paul Gross and his team at Remora are trying to do something that’s never been done before.They're building mobile carbon capture devices for commercial trucks and trains—capturing CO2 from moving ...

Every AI Founder Should Be Asking These Questions
Oct 07, 2025 40 min

Every AI Founder Should Be Asking These Questions

Jordan Fisher is the co-founder & CEO of Standard AI and now leads an AI alignment research team at Anthropic. In his talk at AI Startup School on June 17th, 2025, he frames the future of start...

Fintech 3.0: Now Is The Best Time To Build In Crypto
Sep 23, 2025 42 min

Fintech 3.0: Now Is The Best Time To Build In Crypto

We are entering the era of Fintech 3.0. Regulatory clarity, growing consumer adoption, and low-cost chains have paved the way for a golden age of building in crypto — and at YC, Base, and Coinbase ...

Aaron Levie: Why Startups Win In The AI Era
Sep 16, 2025 40 min

Aaron Levie: Why Startups Win In The AI Era

For nearly two decades, Box co-founder and CEO Aaron Levie has been at the frontlines of how technology reshapes work—guiding the company through the rise of mobile, the cloud, and now the age of A...

The Future of Software Creation with Replit CEO Amjad Masad
Sep 12, 2025 42 min

The Future of Software Creation with Replit CEO Amjad Masad

Amjad Masad is the co-founder & CEO of Replit, now valued at $3B after a recent $250M Series C. He's spent nearly a decade making programming accessible to all—and with the rise of AI, that vis...