Sales startup Letter AI snags $40 million Series B four months after its last raise. Read its pitch deck.

Tech Insider : Business, Technology
Headshot of Letter AI cofounder and CEO Ali Akhtar, wearing a black collar shirt, glasses, and a blue background.
Letter AI cofounder and CEO Ali Akhtar

Letter AI

I did Y Combinator in 2016 and 2025. The first time felt more 'family-style.'

Tech Insider : Business, Style
Vybe founder Quang Hoang is pictured.
Quang Hoang did Y Combinator twice, with almost a decade between his experiences.

Quang Hoang

These Y Combinator founders raised $10 million to get corporate America into vibe coding. Read their pitch deck.

Tech Insider : Technology, Business
Vybe cofounders Quang Hoang and Fabien Devos with their arms around one another, standing in front of a brick wall.
Vybe cofounders Quang Hoang and Fabien Devos.

Vybe

I'm a Canadian startup founder. Y Combinator's initial decision to shut out Canadian startups was totally justifiable.

Tech Insider : Business
Yellowcake cofounder Hassan Ismail is pictured.
Hassan Ismail cofounded Yellowcake in the US after navigating tight Canadian regulations with his first startup, West Tek Defense.

Hassan Ismail

Y Combinator picked a fight with Canada — and quickly backtracked

Tech Insider : Business, Travel
Garry Tan is pictured at the 2022 Web Summit
Gary Tan said that some academic entrepreneurship programs are creating "fake" founders like Elizabeth Holmes and Sam Bankman-Fried.

Harry Murphy/Sportsfile for Web Summit via Getty Images

Bollywood dance teammates raised $5.3 million for their Y Combinator AI startup. Read their pitch deck.

Tech Insider : Business
Vihaar Nandigala and Kishan Sripada, standing in front of a white wall, wearing dark shirts.
Orange Slice cofounders Vihaar Nandigala and Kishan Sripada.

Dan St. Louis

Read the pitch deck a Y Combinator-backed startup used to raise $3.6 million to bring AI agents to the doctor's office

Tech Insider : Business, Technology
Tivara cofounders Tej Seelamsetty and Aumesh Misra are pictured.
WashU alums Tej Seelamsetty and Aumesh Misra cofounded Tivara.

Michael Benabib

A gap year program is lining up six-figure startup salaries for teens

Tech Insider : Business, Technology
Oliver Zhou
Oliver Zhou, founder of Common Gap and Deep24

Oliver Zhou

Y Combinator veterans raise $15 million to build an AI money manager that thinks like a wealthy family office

Tech Insider : Business
ATG cofounders Dillon Erb and Daniel Kobran, posed on a green couch in a studio with a white backdrop and an open window.
ATG cofounders Dillon Erb and Daniel Kobran.

Autonomous Technologies Group

How Y Combinator founders are pitching the AI boom

Tech Insider : Business
Garry Tan is a top seed investor.
Garry Tan is a top seed investor.

Courtesy

Y Combinator founders seized the AI boom in 2025, with increasingly younger teams securing millions in seed funding.

Subscribe to y-combinator