After creating Google Photos and Bump, David Lieb is our newest Group Partner

Today Google Photos has more than a billion users. Most of those users probably don’t know that Google Photos' story begins at a startup called Bump.

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David Lieb speaks on a stage with Dalton Caldwell and Garry Tan

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Hard Tech Companies, Then and Now

by Jared Friedman4/11/2024

Most people know YC for funding software companies. But some of our most successful companies are the ones doing incredible things in the real world — the hard tech companies.

Meet the YC Winter 2024 Batch

by Garry Tan4/3/2024

Today we’re kicking off Y Combinator’s 38th Demo Day, celebrating the incredible batch that is W24.

Building AI Models is faster and cheaper than you probably think

by Diana Hu3/28/2024

These 25 YC companies have built AI models that do things that just a couple of years ago would have been impossible.

Build for customers, not VCs

by Dalton Caldwell3/21/2024

It’s easy to analyze your way out of taking the first step. It’s something we see a lot, particularly when founders try to choose what to build based on what they think VCs will like.

The Reddits

by Paul Graham3/21/2024

"I met the Reddits before we even started Y Combinator. In fact they were one of the reasons we started it," writes PG.