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Rajiv Ayyangar

6mo ago

YC deadline in <2 weeks; Who's applying?

If you're applying, reply below with what you're building so we can cheer you on!

If you're doing a startup and not applying, why aren't you applying?

Nika

2mo ago

What are your good takeaways and useful tips when raising money?

I have come across several statements such as: a single person cannot raise money on their own (you need to be in a team of at least 2 people), it is not worth it because there is pressure on you, etc.

  • What is your experience with raising money?

  • What did it give you, and who did you raise it from?

  • What do you think helped you to a large extent to get the raise?

Nika

4mo ago

Drop out of school and start a startup or do business after graduation? (Possible solution)

3 days ago, I was wondering what the future of universities would be in this AI world (and education in general).

I didn't know that YCombinator was going to bring an alternative solution:

Josh

6mo ago

YC founders, would you trust AI to handle 90% of your support chats?

me and my co-founder are building an AI agent because at our last startup we just couldn t keep up with support.

we tried every chatbot out there. they all felt robotic. customers hated it.

hiring more people was too slow + too $$$

so we put together this ai chatbot (think intercom fin but deeper) that trains on your old tickets, learns your tone, doesn t hallucinate, and can actually answer stuff like a real support rep.

Lindsay Amos

6mo ago

How to reach your target audience and stand out to LLMs

This story is published in the Product Hunt Weekly Newsletter. If you'd like to read more stories like this, subscribe here.

Nika

4mo ago

9 most in-demand startups from YC Demo Day

A week ago, Y Combinator held its Summer 2025 Demo Day in San Francisco, showcasing over 160 startups and highlighting 9 highly focused ones.

TL;DR: The most trending were AI-focused, specifically AI agents.

Tim

5mo ago

From bad idea 👎 → pivot hell 🔥 → finally Trace 👾 the road to YC S25

Last year @Clustr looked healthy with 10,000+ active users, 10-minute sessions and $20,000 in MRR. Yet users churned quickly traction didn t equal stickiness. After hundreds of growth experiments we finally pulled the plug, trimmed the team from 12 to 2, and plunged into pivot hell.

Dozens of dead ends later, I flew to San Francisco hunting for answers. On a quick walk in Dogpatch, Tom Blomfield (Monzo Bank/GoCardless) hit me with the line that finally cut through the fog:

Aurélia Bret

6mo ago

Are GitHub stars important for YC applications?

Hello PH

We applied to Y Combinator few days ago and we ve had a few spikes in GitHub stars after sharing our open-source project with dev communities.

But we re wondering: how important are GitHub stars when applying to YC?

Also curious to hear from fellow open-source builders:

Kat Manalac

2yr ago

YC Library - The new hub for YC's startup videos, essays, podcasts & more

We’ve overhauled the YC Library to make it easier to find the latest videos, essays, and podcasts from around Y Combinator, and to help you explore some of the best YC content from over the years. Come learn how to make something people want.
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