AI Mentions, Links & Domains Report for Y Combinator
This page provides details about reddit.com (source) which was ranked #4 out of 141 link domains (19 citations (2.8% share)) in answers from AI models (Perplexity Sonar Pro Search,
Anthropic Claude Sonnet Latest,
OpenAI ChatGPT Latest,
Google Gemini Flash (latest),
xAI Grok Latest) when they were asked the following 3 questions: "What is Y Combinator known for today, and which organizations, products, people, publications, communities, or websites are most closely associated with it? Include direct source links for every notable entity when available.", "What alternatives, competitors, partners, adjacent products, customers, use cases, or ecosystem players are commonly mentioned alongside Y Combinator? Explain the relationship of each one and cite official or high-quality sources.", "Which sources would you cite to verify important claims about Y Combinator? Include official websites, documentation, articles, directories, reviews, benchmarks, datasets, social/community pages, or news sources, and explain why each source is relevant." on May 12, 2026 by AICW AI Mentions. This source is referenced for brands: Y Combinator, Paul Graham, Airbnb, Stripe, Reddit +3 more.
| Model | Voice | Position | Citations |
|---|---|---|---|
|
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3.9% | 23 | 11 |
|
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2.2% | 11 | 3 |
|
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1.7% | 21 | 1 |
|
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1.5% | 29 | 3 |
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1% | 33 | 1 |
| URL Path | Citations | Position |
|---|---|---|
| reddit.com | 0 | N/A |
| /r/ycombinator | 0 | N/A |
| /r/ycombinator/comments/12z5k88/yc_resources_please_read_this_first | 3 | 29 |
| /r/ycombinator/comments/18jj3c3/whats_the_antiyc_or_an_incubator_thats_similar | 15 | 29.9 |
| /r/SaaS/comments/1qymv03/y_combinator_dropped_their_spring_2026_request | 1 | 43 |
| Brand | Voice | Mentions |
|---|---|---|
| Y Combinator | 100% | 164 |
| Paul Graham | 5.4% | 21 |
| Stripe | 5.4% | 30 |
| Airbnb | 4.3% | 22 |
| Hacker News | 3.4% | 21 |
| 3.4% | 23 | |
| Dropbox | 2.3% | 16 |
| DoorDash | 2.2% | 14 |
What is Y Combinator known for today, and which organizations, products, people, publications, communities, or websites are most closely associated with it? Include direct source links for every notable entity when available.
[...] inator - Wikipedia](https://en.wikipedia.org/wiki/Y_Combinator). # CITATIONS 1. [Y Combinator - Wikipedia](https://en.wikipedia.org/wiki/Y_Combinator) 2. [What Happens at YC | Y Combinator](https://www.ycombinator.com/about) 3. [Apply to YC | Y Combinator](https://www.ycombinator.com/apply) 4. [Y Combinator dropped their Spring 2026 "Request for Startups." Are ...](https://www.reddit.com/r/SaaS/comments/1qymv03/y_combinator_dropped_their_spring_2026_request/) 5. [Complete YC Startups Guide: 5,000+ Y Combinator Companies 2026](https://growthlist.co/yc-startups/) 6. [Top 100 Y Combinator Companies - Eqvista](https://eqvista.com/top-100-y-combinator-companies/) 7. [List of Y Combinator startups - Wikipedia](https://en.wikipedia.org/wiki/List_of_Y_Combi [...]
[...] com) | $107B (private) | W07, S09 | Payments Infrastructure | | [Coinbase](https://www.coinbase.com) | $86B (public) | S12 | Cryptocurrency | | [DoorDash](https://www.doordash.com) | $39B+ (public) | S13 | Food Delivery | | [Dropbox](https://www.dropbox.com) | $9B (public) | S07 | Cloud Storage | | [Reddit](https://www.reddit.com) | $6.4B (public) | S05 | Social Platform | | [Instacart](https://www.instacart.com) | $10B (public) | S12 | Grocery Delivery | | [Twitch](https://www.twitch.tv) | ~$1B (acquired by Amazon) | W07 | Streaming | | [Scale AI](https://scale.com) | 49% stake acquired for $14B+ by Meta | S16 | Data Label [...]
What alternatives, competitors, partners, adjacent products, customers, use cases, or ecosystem players are commonly mentioned alongside Y Combinator? Explain the relationship of each one and cite official or high-quality sources.
[...] S20) provide mentorship drawn from their exits and leadership roles. [Partners | Y Combinator](https://www.ycombinator.com/partners) ([Y Combinator Partners](https://www.ycombinator.com/partners)) - They mentor on growth, pivots, and fundraising, embodying YC's model of "founders helping founders." [whats the anti-YC, or an incubator thats similar the early-stage ...](https://www.reddit.com/r/ycombinator/comments/18jj3c3/whats_the_antiyc_or_an_incubator_thats_similar/) ### Adjacent Products YC offers complementary tools and services to support its portfolio beyond core funding. - **Bookface**: An internal social network and launch platform for YC alumni to share products, network, and recruit, fostering B2B connections among 5,000+ companies. ([Y Combinator](h [...]
[...] ustomers (Portfolio Companies) YC's primary "customers" are the startups it accelerates, with over 5,000 funded, generating $600B+ in value; notable examples drive its reputation. - **Airbnb (W09)**: Received YC funding and advice, leading to a $100B+ IPO. [Y Combinator](https://www.ycombinator.com)[whats the anti-YC, or an incubator thats similar the early-stage ...](https://www.reddit.com/r/ycombinator/comments/18jj3c3/whats_the_antiyc_or_an_incubator_thats_similar/) ([Airbnb](https://airbnb.com)) - **Stripe (S09)**: Pivoted during YC to become a $107B payments leader. [Y Combinator](https://www.ycombinator.com) ([Stripe](https://stripe.com)) - **DoorDash (S13)**: Scaled delivery service to $39B IPO valuation via YC mentorship. [Y Combinator](https://www.ycomb [...]
[...] (https://airbnb.com)) - **Stripe (S09)**: Pivoted during YC to become a $107B payments leader. [Y Combinator](https://www.ycombinator.com) ([Stripe](https://stripe.com)) - **DoorDash (S13)**: Scaled delivery service to $39B IPO valuation via YC mentorship. [Y Combinator](https://www.ycombinator.com)[whats the anti-YC, or an incubator thats similar the early-stage ...](https://www.reddit.com/r/ycombinator/comments/18jj3c3/whats_the_antiyc_or_an_incubator_thats_similar/) ([DoorDash](https://doordash.com)) ### Use Cases YC supports early-stage founders across sectors, emphasizing rapid iteration and AI/B2B lately. - Accelerating pre-seed to seed startups via $500K investment, 3-month programs, and Demo Days for follow-on funding. [Y Combinator](https://www.ycombin [...]
[...] rvival rate. [Complete YC Startups Guide: 5,000+ Y Combinator Companies 2026](https://growthlist.co/yc-startups/) ### Ecosystem Players These include VCs and platforms that co-invest or recruit from YC. - Follow-on investors like Sequoia (e.g., Surge program) and a16z fund YC alumni post-Demo Day. [whats the anti-YC, or an incubator thats similar the early-stage ...](https://www.reddit.com/r/ycombinator/comments/18jj3c3/whats_the_antiyc_or_an_incubator_thats_similar/)[Y Combinator: Funding, Team & Investors - Startup Intros](https://startupintros.com/orgs/y-combinator) - **Work at a Startup**: YC's job board connecting alumni companies for hiring. ([Work at a Startup](https://workatastartup.com/)) # CITATIONS 1. [whats the anti-YC, or an incubator thats simi [...]
[...] hats_the_antiyc_or_an_incubator_thats_similar/)[Y Combinator: Funding, Team & Investors - Startup Intros](https://startupintros.com/orgs/y-combinator) - **Work at a Startup**: YC's job board connecting alumni companies for hiring. ([Work at a Startup](https://workatastartup.com/)) # CITATIONS 1. [whats the anti-YC, or an incubator thats similar the early-stage ...](https://www.reddit.com/r/ycombinator/comments/18jj3c3/whats_the_antiyc_or_an_incubator_thats_similar/) 2. [Top 15 accelerators for early-stage startups - LinkedIn](https://www.linkedin.com/posts/yrebryk_where-to-find-investments-when-you-have-just-activity-7237389520688562177-UdaN) 3. [Y Combinator](https://www.ycombinator.com) 4. [5 Great Alternatives to Y Combinator: A Founder's Guide - Bee Te [...]
Which sources would you cite to verify important claims about Y Combinator? Include official websites, documentation, articles, directories, reviews, benchmarks, datasets, social/community pages, or news sources, and explain why each source is relevant.
[...] ttps://en.wikipedia.org/wiki/Y_Combinator) — Provides historical context, founding information (2005 by Paul Graham et al.), and notable company examples. Good for verifying basic facts about the organization's history and major portfolio successes. ## Community & News **r/ycombinator Subreddit** [https://www.reddit.com/r/ycombinator/](https://www.reddit.com/r/ycombinator/) — Active community discussing Y Combinator news, application experiences, and startup advice. Useful for informal verification through community discussion, though verify critical facts through official sources. **r/ycombinator Resources Thread** [https://www.reddit.com/r/ycombinator/comments/12 [...]
[...] ombinator/](https://www.reddit.com/r/ycombinator/) — Active community discussing Y Combinator news, application experiences, and startup advice. Useful for informal verification through community discussion, though verify critical facts through official sources. **r/ycombinator Resources Thread** [https://www.reddit.com/r/ycombinator/comments/12z5k88/yc_resources_please_read_this_first/](https://www.reddit.com/r/ycombinator/comments/12z5k88/yc_resources_please_read_this_first/) [YC Resources {Please read this first!} : r/ycombinator - Reddit](https://www.reddit.com/r/ycombinator/comments/12z5k88/yc_resources_please_read_this_first/) — Curated community resource list for Y Combinator information. ## Career & Recruitment **Work at a Startup** [https://www.workatastartup. [...]
[...] h community discussion, though verify critical facts through official sources. **r/ycombinator Resources Thread** [https://www.reddit.com/r/ycombinator/comments/12z5k88/yc_resources_please_read_this_first/](https://www.reddit.com/r/ycombinator/comments/12z5k88/yc_resources_please_read_this_first/) [YC Resources {Please read this first!} : r/ycombinator - Reddit](https://www.reddit.com/r/ycombinator/comments/12z5k88/yc_resources_please_read_this_first/) — Curated community resource list for Y Combinator information. ## Career & Recruitment **Work at a Startup** [https://www.workatastartup.com](https://www.workatastartup.com) [Startup Jobs at YC Companies in Engineering, Product, Design ...](https://www.workatastartup.com) — Y Combinator's job b [...]
[...] posts/yrebryk_top-12-resources-for-early-stage-startup-activity-7259496490379661312-hK23) 7. [Y Combinator startup directory scraper - Browse AI](https://www.browse.ai/t/extract-companies-yc-startup-directory) 8. [Startup School - The Best Resource for Founders](https://www.startupschool.org) 9. [YC Resources {Please read this first!} : r/ycombinator - Reddit](https://www.reddit.com/r/ycombinator/comments/12z5k88/yc_resources_please_read_this_first/) 10. [Complete YC Startups Guide: 5,000+ Y Combinator Companies 2026](https://growthlist.co/yc-startups/) [...]
What is Y Combinator known for today, and which organizations, products, people, publications, communities, or websites are most closely associated with it? Include direct source links for every notable entity when available.
[...] ve a combined valuation in the **hundreds of billions of dollars** --- ## Most Notable Alumni Companies These are among the most famous YC-backed companies: | Company | Domain | |---|---| | [Airbnb](https://www.airbnb.com/) | Hospitality / Travel | | [Stripe](https://stripe.com/) | Payments | | [Reddit](https://www.reddit.com/) | Social Media | | [Dropbox](https://www.dropbox.com/) | Cloud Storage | | [DoorDash](https://www.doordash.com/) | Food Delivery | | [Coinbase](https://www.coinbase.com/) | Crypto Exchange | | [Instacart](https://www.instacart.com/) | Grocery Delivery | | [Twitch](https://www.twitch.tv/) | Live St [...]
What alternatives, competitors, partners, adjacent products, customers, use cases, or ecosystem players are commonly mentioned alongside Y Combinator? Explain the relationship of each one and cite official or high-quality sources.
[...] players themselves: | Company | Batch | Relevance | |---|---|---| | [Airbnb](https://www.airbnb.com/) | W09 | Most-cited YC success story | | [Stripe](https://stripe.com/) | W10 | Payments infrastructure for startups | | [Dropbox](https://www.dropbox.com/) | S07 | Early validation of YC model | | [Reddit](https://www.reddit.com/) | S05 | Acquired by YC then spun out | | [DoorDash](https://www.doordash.com/) | S13 | Major IPO, validates YC food-tech | | [Coinbase](https://www.coinbase.com/) | S12 | Defines YC's crypto credibility | | [OpenAI](https://openai.com/) | — | Sam Altman (YC President → OpenAI CEO); deeply intertwi [...]
Which sources would you cite to verify important claims about Y Combinator? Include official websites, documentation, articles, directories, reviews, benchmarks, datasets, social/community pages, or news sources, and explain why each source is relevant.
[...] with YC batches ### 17. Y Combinator YouTube Channel **[https://www.youtube.com/@ycombinator](https://www.youtube.com/@ycombinator)** - Contains recorded talks, interviews, and Startup School videos - Primary source for verifying what YC leaders have said publicly ### 18. Reddit – r/ycombinator **[https://www.reddit.com/r/ycombinator/](https://www.reddit.com/r/ycombinator/)** - Community discussions from founders and applicants - Useful for anecdotal verification but should be cross-referenced --- ## ⭐ Reviews & Reputation Platforms ### 19. Glassdoor – Y Combinator **[https://www.glassdoor.com/Overview/Working-at-Y-Combinator](https://www.glassdoor.com/Overview/Wo [...]
What is Y Combinator known for today, and which organizations, products, people, publications, communities, or websites are most closely associated with it? Include direct source links for every notable entity when available.
[...] tps://www.ycombinator.com/companies/airbnb - [Stripe](https://stripe.com/) - YC Summer 2010 - YC company page: https://www.ycombinator.com/companies/stripe - [DoorDash](https://www.doordash.com/) - YC Summer 2013 - YC company page: https://www.ycombinator.com/companies/doordash - [Reddit](https://www.reddit.com/) - One of YC’s earliest and most culturally influential startups - YC company page: https://www.ycombinator.com/companies/reddit - [Dropbox](https://www.dropbox.com/) - YC Summer 2007 - YC company page: https://www.ycombinator.com/companies/dropbox - [Coinbase](https://www.coinbas [...]
What alternatives, competitors, partners, adjacent products, customers, use cases, or ecosystem players are commonly mentioned alongside Y Combinator? Explain the relationship of each one and cite official or high-quality sources.
[...] ofile: https://www.ycombinator.com/companies/stripe - DoorDash - Relationship: Major YC consumer marketplace success. - Official: https://www.doordash.com/ - YC profile: https://www.ycombinator.com/companies/doordash - Reddit - Relationship: YC’s first batch included Reddit. - Official: https://www.reddit.com/ - YC profile: https://www.ycombinator.com/companies/reddit - Coinbase - Relationship: Major crypto startup funded by YC. - Official: https://www.coinbase.com/ - YC profile: https://www.ycombinator.com/companies/coinbase - Instacart - Relationship: YC-backed grocery delivery platform. [...]
Which sources would you cite to verify important claims about Y Combinator? Include official websites, documentation, articles, directories, reviews, benchmarks, datasets, social/community pages, or news sources, and explain why each source is relevant.
[...] it matters: - Primary multimedia source from YC. 27. LinkedIn Company Page - https://www.linkedin.com/company/y-combinator/ - Best for: - Employee data, hiring activity, and organizational updates. - Why it matters: - Useful supplementary corporate verification. 28. Reddit — r/ycombinator - https://www.reddit.com/r/ycombinator/ - Best for: - Applicant experiences and community discussion. - Why it matters: - Anecdotal but useful for sentiment and process insights. - Caveat: - User-generated and unverified. Review & Reputation Sources 29. Glassdoor - https://www.glassdoor.com/ - Best for: - Employee reviews of YC [...]
What is Y Combinator known for today, and which organizations, products, people, publications, communities, or websites are most closely associated with it? Include direct source links for every notable entity when available.
[...] com/) * **DoorDash:** A local logistics and food delivery platform. [doordash.com](https://www.doordash.com/) * **Instacart:** A grocery delivery and pick-up service. [instacart.com](https://www.instacart.com/) * **Reddit:** A social news aggregation and discussion website (YC's first batch). [reddit.com](https://www.reddit.com/) ### Media, Research, & Community * **Hacker News (HN):** A social news website focusing on computer science and entrepreneurship, run by YC. [news.ycombinator.com](https://news.ycombinator.com/) * **Y Combinator Library:** A collection of videos, podcasts, and essays documenting startup advic [...]
What is Y Combinator known for today, and which organizations, products, people, publications, communities, or websites are most closely associated with it? Include direct source links for every notable entity when available.
[...] s on startups): [paulgraham.com](https://paulgraham.com/) - Sam Altman (former YC president; now leads OpenAI): [openai.com](https://openai.com/) ### Prominent YC-Funded Companies (Examples) - [Stripe](https://stripe.com/) - [Airbnb](https://www.airbnb.com/) - [Dropbox](https://www.dropbox.com/) - [Reddit](https://www.reddit.com/) These entities are repeatedly referenced on YC's own site, blog, Hacker News, and Paul Graham's essays. [...]