There are still many unsolved problems in AI and we think the world needs more AI research labs working on them.
Some people think that YC doesn’t fund open-ended research, but as the first investors in OpenAI, we are extremely comfortable doing exactly that.
Apply to YC Sum...
Soon, all companies will have one thing in common: every employee will build agents to automate the repetitive parts of their jobs.
We’d like to fund founders working on the infrastructure they’ll use to do that: internal agent builders.
Apply to YC Summer 2025 at ycombinat...
US healthcare spend is now more than $4T a year, but over $1T of that is spent on manual admin tasks. New agents and LLMs can automate this.
Apply to the YC Summer batch at ycombinator.com/apply.
Robotics hasn’t had its ChatGPT moment yet, but we think it’s almost here.
With the rapid improvements in foundation models, it’s finally possible to make robots that have human-level perception and judgment. That’s been the missing piece.
We’re interested in funding people...
Legacy home security companies are a $20B joke.
Meanwhile, AI is already preventing crimes in office buildings–think facial recognition, loitering alerts, even virtual guards to yell at intruders.
We think the first startup to bring mass-market AI to consumer home security ...
It’s high time we had AI personal assistants. Imagine an AI that has perfect understanding of your emails, projects, and scheduling preferences — and can take actions on your behalf.
Apply to YC if you’re working on this idea!
ycombinator.com/apply
The latest multimodal and reasoning models make it possible to create an AI personal tutor that’s capable of explaining complicated concepts to anyone who’s interested in learning them. This could really change the world.
We’d love to see you apply to YC if you’re working on this idea....
AI is transforming how physical things are made. Many scientific tools haven’t changed in decades, but test-time compute is now enabling new startups to solve complex problems in fields like chemistry, biology, and materials science.
Apply to YC Summer 2025 at ycombinator.com/apply.
Coding agents are no longer a distant idea—they're already starting to reshape how we work.
YC's Tom Blomfield and David Lieb discuss how AI coding tools are transforming software development, why small, high-agency teams will be able to do what once took armies of engineers, and why t...
"Startups require two distinct beliefs, and they actually kind of run counter to each other. You need this irrational optimism... and you need uncompromising realism.
Even when Copilot looked untouchable, Windsurf CEO Varun Mohan says betting on their own models was the only move—optim...
Varun Mohan didn't set out to build one of the fastest-growing AI developer tools. He just knew his company had to change, or die.
After initially betting on GPU virtualization, he saw the writing on the wall: if there was a future for his company, it would be at the AI application lay...
AI can’t yet one-shot an entire product—but with the rise of vibe coding, supercharged developers are getting close.
Part intuition and experimentation, part validation, it's the new frontier of software development.
YC's Tom Blomfield has spent the last month building side ...
