r/ycombinator is a subreddit with 192k members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses startup, yc, cofounder, founders, and ai, and they frequently recommend/review ui framework.
News and discussion around startups and applying to Y Combinator.
In 2005, Y Combinator created a new model for funding early stage startups. We invest $500,000 in every startup and work intensively with the founders for three months. For the life of their company, founders have access to the most powerful community in the world, essential advice, later-stage funding and programs, recruiting resources, and exclusive deals.
Popular Themes in r/ycombinator
#1
Advice Requests
: "How did u get your first 10-100 customers as a solo founder"
15 posts
#2
Solution Requests
: "Which Y Combinator products are you using in daily life?"
7 posts
#3
Pain & Anger
: "If you ever feel like giving up, just sleep"
7 posts
#4
Opportunities
: "Student founder stuck in analysis paralysis, every AI startup idea already exists. How do you find opportunities?"
2 posts
#5
Ideas
: "What do you think about a solo builder peer group? 6-8 peers meeting each other for support on weekly milestones and challenges."
1 post
#6
Money Talk
: "We hit $94k MRR in 7 months with 70% margins. What valuation should I ask for?"
1 post
#7
Self-Promotion
: "Launching my B2B L&D SaaS: demos, zero sales (yet), and what I’ve learned so far"
1 post
Popular Topics in r/ycombinator
#1
Startup
: "Google killed my $1M ARR Startup over a hacker exploiting THEIR own design — 100k users, 1M+ photos frozen, and they billed ME for it"
117 posts
#2
Yc
: "How we got into Yc with just an open source repo. Here's the full story to 10,000 github stars."
57 posts
#3
Cofounder
: "technical student thinking about YC 2027, how do you actually find a good Cofounder?"
36 posts
#4
Founders
: "Why are so many YC Founders straight-up liars?"
25 posts
#5
Ai
: "My Ai agent stack as a Y Combinator founder"
20 posts
#6
Founder
: "How did u get your first 10-100 customers as a solo Founder"
19 posts
#7
Technical
: "Solo founder with traction, but hitting Technical limits."
18 posts
#8
Struggling
18 posts
#9
Idea
: "I ran YCombinator's Paxel under a live HTTPS wiretap. It sends your Cloudflare OAuth tokens, git email, and verbatim Claude prompts to YC servers"
16 posts
#10
Application
: "We were in the top 10% of YC Summer 2026 Applications."
15 posts
Products Discussed in r/ycombinator
Ui Framework
5 reviews
#1
Hugging Face
5.0★ from 1 review
#2
Vercel
5.0★ from 1 review
#3
Chatscope
2.0★ from 1 review
Member Growth in r/ycombinator
Yearly
+64k members(50.1%)
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About
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This page gives a focused view of r/ycombinator, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: June 26, 2026