AI Mentions, Links & Domains Report for Y Combinator
This page provides details about stripe.com (source) which was ranked #4 out of 63 link domains (6 citations (3.3% 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 1 question: "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." on May 12, 2026 by AICW AI Mentions. This source is referenced for brands: Airbnb, Stripe, Reddit, Coinbase, OpenAI.
| Model | Voice | Position | Citations |
|---|---|---|---|
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6.6% | 8 | 1 |
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3.4% | 3 | 1 |
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3% | 12 | 1 |
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2.8% | 13 | 2 |
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1% | 7 | 1 |
| URL Path | Citations | Position |
|---|---|---|
| stripe.com | 0 | N/A |
| /about | 6 | 12.2 |
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.
[...] hat became industry leaders: | Company | Valuation/Outcome | YC Batch | Focus | |---------|-------------------|----------|-------| | [Airbnb](https://www.airbnb.com) | $100B+ (public) | W09 | Hospitality/Travel | | [OpenAI](https://openai.com) | $500B+ (private) | S05 | Artificial Intelligence | | [Stripe](https://stripe.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 | | [Re [...]
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.
[...] gh success rate**: Its portfolio companies have 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 Delive [...]
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.
[...] https://www.youtube.com/ycombinator Organizations and companies most closely associated with Y Combinator These companies are among the most famous YC-backed startups: - [Airbnb](https://www.airbnb.com/) - YC Winter 2009 - YC company page: https://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 cultur [...]
[...] tor.com/people/michael-seibel) - Former YC Managing Director and partner - Co-founder of [Twitch](https://www.twitch.tv/) predecessor Justin.tv - [Geoff Ralston](https://www.ycombinator.com/people/geoff-ralston) - Former President of YC - [Patrick Collison](https://patrickcollison.com/) and [John Collison](https://stripe.com/about) - Stripe founders strongly associated with YC’s success story Publications, media, and educational content associated with YC - Paul Graham Essays - https://paulgraham.com/articles.html - YC Blog - https://www.ycombinator.com/blog - YC Podcast - https://www.ycombinator.com/podcast - S [...]
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.
[...] and co-founder of Justin.tv (Twitch). [mbrandons.com](https://www.mbrandons.com/) ### Most Successful Portfolio Companies (Alumni) * **Airbnb:** A global platform for stays and experiences. [airbnb.com](https://www.airbnb.com/) * **Stripe:** A suite of APIs powering online payment processing. [stripe.com](https://www.stripe.com/) * **Dropbox:** A cloud storage and file synchronization service. [dropbox.com](https://www.dropbox.com/) * **Coinbase:** A leading cryptocurrency exchange. [coinbase.com](https://www.coinbase.com/) * **DoorDash:** A local logistics and food delivery platform. [doordash.com](https://www.doord [...]
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.
[...] main YC site above. ### Notable People - Paul Graham (co-founder, continues to publish influential essays 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. [...]