Why Now Is the Best Time for Designers to Start Companies

Celebrating 20 Years of Y Combinator

Derek Thompson’s advice for founders is to follow your curiosity.

Startups that make it are rare. You can do it alone, but with a good co-founder you can go farther.

The idea for DoorDash didn’t come from surveys—it came from living a day in the customer’s shoes.

Perplexity's competitive advantage against Google comes down to user obsession and product taste.

Navigating co-founder relationships is a journey that takes self examination and discovery.

Dylan Field describes design as “art as it applies to problem solving.”

Gustaf’s Startup Framework For Spending Money

Former OpenAI CRO Bob McGrew thinks that two jobs of the future will be genius and manager.

The Future of Software Engineering

B2A: Software Where the Customers Will All Be Agents

AI Coding Agent for Hardware-Optimized Code

Vertical AI Agents

Devtools for AI Agents

Inference AI Infra in the World of Test-Time Compute

AI Commercial Open Source Software (AICOSS)

AI Personal Staff for Everyone

Browser/Computer Automation

DocuSign 2.0

Compliance and Audit

Datacenters

A Secure AI App Store

America’s First Civil Supersonic Jet to Break the Sound Barrier

Zip co-founder Rujul Zaparde on going from 0 to 1 with enterprise sales

How do OpenAI’s o1 and o3 models perform complex reasoning?

Jared predicts that in 2025, we’ll be able to have Zoom calls with AI

Astranis just successfully launched 4 high-orbit satellites aboard SpaceX's Falcon 9

YC Partner and Algolia co-founder Nicolas Dessaigne’s advice for founders starting out.

What David Lieb and his team built eventually became the foundation for Google Photos.

One Million Jobs 2.0

LLMs for Chip Design

Fintech 2.0

AI-Aided Engineering Tools

Stablecoins 2.0

Public Safety Technology

Government Software

The Winter 2025 application deadline is in less than a week! Apply at ycombinator.com/apply.

The "overnight success" of Kalshi

The best consumer companies incorporate both virality and network effect to grow organically.

Once you identify the problem and fix it, you can always launch again.

Y Combinator co-founder Jessica Livingston on the beginnings of YC.

New Defense Technology

Over-complicated pricing could kill a sales process.

We’re still in the early innings with AI.

Gmail creator Paul Buchheit on the very first version of Google’s “Did you mean?” feature

Sales pre-PMF should be done by the founders.

We’re running a new YC batch this fall!