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Y Combinator Startup Podcast

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Y Combinator

We help founders make something people want. The Y Combinator Podcast is where builders talk about building. From the earliest days of an idea to scaling a company that changes the world, YC partners and founders share real stories, lessons, and tactics from the frontlines.

#286

From Pivot Hell To $1.4 Billion Unicorn

In just a few years, James Hawkins took PostHog from an idea hacked together right before ... more

10 Dec 2025

38 MINS

38:46

10 Dec 2025

#285

The Best Consumer Startup Ideas Were "Impossible" Until Now

Every major shift in consumer tech has a moment when it suddenly becomes accessible to mil... more

28 Nov 2025

39 MINS

39:35

28 Nov 2025

#284

Cursor Head of Design Reviews Startup Websites

Cursor Head of Design Ryo Lu has spent his career at the intersection of design and engine... more

20 Nov 2025

35 MINS

35:34

20 Nov 2025

#283

Inside The Startup Launching AI Into Space

Starcloud recently made history by launching a satellite with an NVIDIA H100 into orbit — ... more

13 Nov 2025

12 MINS

12:55

13 Nov 2025

#282

How To Recruit The Best Engineers And Sales Reps

Most founders think hiring is about interviewing. But it's actually about selling.For ... more

07 Nov 2025

43 MINS

43:20

07 Nov 2025

#281

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, wh... more

28 Oct 2025

39 MINS

39:24

28 Oct 2025

#280

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 ... more

23 Oct 2025

09 MINS

09:18

23 Oct 2025

#279

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 ... more

21 Oct 2025

38 MINS

38:32

21 Oct 2025

#278

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 ... more

14 Oct 2025

08 MINS

08:00

14 Oct 2025

#277

How To Design Products That Truly Stand Out

Karri Saarinen is the co-founder and CEO of Linear, the issue tracking tool used by thousa... more

13 Oct 2025

35 MINS

35:49

13 Oct 2025

#276

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... more

09 Oct 2025

12 MINS

12:46

09 Oct 2025

#275

Every AI Founder Should Be Asking These Questions

Jordan Fisher is the co-founder & CEO of Standard AI and now leads an AI alignment researc... more

07 Oct 2025

40 MINS

40:35

07 Oct 2025

#274

Anthropic Head of Pretraining on Scaling Laws, Compute, and the Future of AI

Ever wonder what it actually takes to train a frontier AI model?YC General Partner Ankit G... more

01 Oct 2025

1 HR 04 MINS

1:04:04

01 Oct 2025

#273

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... more

23 Sep 2025

42 MINS

42:00

23 Sep 2025

#272

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 h... more

16 Sep 2025

40 MINS

40:27

16 Sep 2025

#271

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 Seri... more

12 Sep 2025

42 MINS

42:01

12 Sep 2025

#270

The FDE Playbook for AI Startups with Bob McGrew

Bob McGrew helped build some of the most influential technologies of the past two decades.... more

08 Sep 2025

50 MINS

50:42

08 Sep 2025

#269

Michael Truell: Building Cursor at 23, Taking on GitHub Copilot, and Advice to Engineering Students

Michael Truell on June 17th, 2025 at AI Startup School in San Francisco.At 25, Michael Tru... more

03 Sep 2025

27 MINS

27:55

03 Sep 2025

#268

GPT-OSS vs. Qwen vs. Deepseek: Comparing Open Source LLM Architectures

OpenAI recently released its first open-weights model since GPT-2, entering a field led by... more

29 Aug 2025

12 MINS

12:31

29 Aug 2025

#267

How This 25-Year-Old Built A $675M Legal AI Startup (With No Legal Experience)

In this episode of Founder Firesides, YC General Partner Gustaf Alströmer is joined by Max... more

26 Aug 2025

45 MINS

45:25

26 Aug 2025

#266

The Sales Playbook for Founders | Startup School

Navigating B2B sales for the first time can feel slow and overwhelming.Drawing from his ex... more

15 Aug 2025

18 MINS

18:38

15 Aug 2025

#265

Figma CEO Dylan Field: How AI Will Transform Design

Dylan Field on June 17th, 2025 at AI Startup School in San Francisco.Dylan Field co-founde... more

08 Aug 2025

40 MINS

40:36

08 Aug 2025

#264

The Finance Startup Bringing Agentic AI to Wall Street

Brothers Chaz and Arnie Englander started Model ML after building and selling two YC compa... more

31 Jul 2025

46 MINS

46:15

31 Jul 2025

#263

Scaling and the Road to Human-Level AI | Anthropic Co-founder Jared Kaplan

Jared Kaplan on June 16th, 2025 at AI Startup School in San Francisco.Jared Kaplan started... more

29 Jul 2025

40 MINS

40:47

29 Jul 2025

#262

Brand Design Tips From Linear Founder Karri Saarinen

For this episode of Design Review, YC’s Aaron Epstein is joined by Karri Saarinen, co-foun... more

25 Jul 2025

43 MINS

43:41

25 Jul 2025

#261

Chelsea Finn: Building Robots That Can Do Anything

Chelsea Finn on June 17th, 2025 at AI Startup School in San Francisco.From MIT through her... more

22 Jul 2025

44 MINS

44:52

22 Jul 2025

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#286

From Pivot Hell To $1.4 Billion Unicorn

#285

The Best Consumer Startup Ideas Were "Impossible" Until Now

#284

Cursor Head of Design Reviews Startup Websites

#283

Inside The Startup Launching AI Into Space

#282

How To Recruit The Best Engineers And Sales Reps

#281

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

#280

Transformers: The Discovery That Sparked the AI Revolution

#279

YC Partners Answer Your Questions | Office Hours

#278

What Everyone Is Getting Wrong About AI And Jobs

#277

How To Design Products That Truly Stand Out

#276

The World's First Commercial Mobile Carbon Capture Device

#275

Every AI Founder Should Be Asking These Questions

#274

Anthropic Head of Pretraining on Scaling Laws, Compute, and the Future of AI

#273

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

#272

Aaron Levie: Why Startups Win In The AI Era

#271

The Future of Software Creation with Replit CEO Amjad Masad

#270

The FDE Playbook for AI Startups with Bob McGrew

#269

Michael Truell: Building Cursor at 23, Taking on GitHub Copilot, and Advice to Engineering Students

#268

GPT-OSS vs. Qwen vs. Deepseek: Comparing Open Source LLM Architectures

#267

How This 25-Year-Old Built A $675M Legal AI Startup (With No Legal Experience)

#266

The Sales Playbook for Founders | Startup School

#265

Figma CEO Dylan Field: How AI Will Transform Design

#264

The Finance Startup Bringing Agentic AI to Wall Street

#263

Scaling and the Road to Human-Level AI | Anthropic Co-founder Jared Kaplan

#262

Brand Design Tips From Linear Founder Karri Saarinen

#261

Chelsea Finn: Building Robots That Can Do Anything