This page provides details about Crunchbase (product,organization) which was ranked #6 out of 65 in the list of brands (24 mentions (4.2% share)) in answers from AI models (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.
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.
[...] a.org/wiki/Y_Combinator_(company))** – A nonprofit research lab YC launched; included experiments like Basic Income research
---
## Trackers, Rankings & Reference Sites
- **[YC Company List (official)](https://www.ycombinator.com/companies)** – Searchable database of all YC-funded companies
- **[Crunchbase – YC Profile](https://www.crunchbase.com/organization/y-combinator)** – Funding data and portfolio tracking
- **[Tracxn – YC Portfolio](https://tracxn.com/d/investors/y-combinator)** – Analytics on YC's portfolio
- **[LinkedIn – Y Combinator](https://www.linkedin.com/school/y-combinator/)** – Profe [...]
May 12, 2026
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.
[...] nship:** Direct competitor accelerator. Often cited as the #2 accelerator globally.
- Offers mentorship-driven programs across many cities and industries
- Provides $20K in funding for 6% equity (varying by program)
- Frequently compared to YC in rankings by [Seed-DB](https://www.seed-db.com/) and [Crunchbase](https://www.crunchbase.com/)
### 2. [500 Global (formerly 500 Startups)](https://500.co/)
**Relationship:** Competing accelerator/micro-VC hybrid
- Invests in earlier and more diverse-stage startups globally
- Known for broader geographic reach vs. YC's Silicon Valley focus
- Compared directly in [...]
May 12, 2026
[...] overlapping community
### 4. [Conviction](https://www.conviction.com/) / [Sequoia Arc](https://www.sequoiacap.com/arc/)
**Relationship:** Competing founder programs from major VCs
- Sequoia Arc provides capital + community similar to YC's model
---
## 📊 Ranking & Data Sources That Track YC
- [Crunchbase YC Profile](https://www.crunchbase.com/organization/y-combinator)
- [Seed-DB Accelerator Rankings](https://www.seed-db.com/)
- [Pitchbook](https://pitchbook.com/) — tracks YC portfolio valuations
- [CB Insights](https://www.cbinsights.com/) — unicorn and exit tracking for YC alumni
---
## Summary [...]
May 12, 2026
[...] → [Sequoia, a16z, Khosla, SV Angel]
↓
[Stripe Atlas, Brex, Mercury, Gusto, Clerky]
(Tools used by portfolio companies)
↓
[TechCrunch, Product Hunt, AngelList launches]
---
*Sources include [YC's official website](https://www.ycombinator.com/), [Crunchbase](https://www.crunchbase.com/), [Forbes](https://www.forbes.com/), [TechCrunch](https://techcrunch.com/), and [Seed-DB](https://www.seed-db.com/).* [...]
May 12, 2026
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.
[...] folio Data
### 4. Y Combinator Companies Directory
**[https://www.ycombinator.com/companies](https://www.ycombinator.com/companies)**
- The most authoritative list of YC alumni companies
- Filterable by batch, industry, and status
- Best source for verifying which companies went through YC
### 5. Crunchbase – Y Combinator Profile
**[https://www.crunchbase.com/organization/y-combinator](https://www.crunchbase.com/organization/y-combinator)**
- Tracks funding rounds of YC-backed companies
- Provides data on total capital raised across the portfolio
- Lists notable exits and acquisitions
### 6. PitchBoo [...]
May 12, 2026
[...] ry
**[https://www.ycombinator.com/companies](https://www.ycombinator.com/companies)**
- The most authoritative list of YC alumni companies
- Filterable by batch, industry, and status
- Best source for verifying which companies went through YC
### 5. Crunchbase – Y Combinator Profile
**[https://www.crunchbase.com/organization/y-combinator](https://www.crunchbase.com/organization/y-combinator)**
- Tracks funding rounds of YC-backed companies
- Provides data on total capital raised across the portfolio
- Lists notable exits and acquisitions
### 6. PitchBook
**[https://pitchbook.com](https://pitchbook.com [...]
May 12, 2026
[...] ttps://ubi-global.com](https://ubi-global.com)**
- Independent benchmarking of startup accelerators worldwide
- Useful for verifying YC's comparative standing
---
## 📋 Summary Table
| Source Type | Best For Verifying |
|---|---|
| YC Official Site | Program terms, batch info, portfolio list |
| Crunchbase / PitchBook | Funding rounds, valuations, exits |
| TechCrunch / Bloomberg | News events, announcements |
| Hacker News | Direct statements from YC partners |
| SSRN / NBER | Academic claims about YC's impact |
| Glassdoor | Organizational and culture claims |
| Seed-DB | Comparative accelerator pe [...]
May 12, 2026
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.
[...] s include GitLab and Render.
- GitLab: https://about.gitlab.com/
- Render: https://render.com/
- Healthcare / biotech
- Relationship: Growing YC investment area.
- YC biotech companies: https://www.ycombinator.com/companies
8. Media, Data, and Research Sources Frequently Referencing YC
- Crunchbase
- Relationship: Tracks YC startups, funding rounds, and ecosystem data.
- Official: https://www.crunchbase.com/
- PitchBook
- Relationship: Venture capital database frequently used to analyze YC outcomes.
- Official: https://pitchbook.com/
- CB Insights
- Relationship: Research firm ana [...]
May 12, 2026
[...] e / biotech
- Relationship: Growing YC investment area.
- YC biotech companies: https://www.ycombinator.com/companies
8. Media, Data, and Research Sources Frequently Referencing YC
- Crunchbase
- Relationship: Tracks YC startups, funding rounds, and ecosystem data.
- Official: https://www.crunchbase.com/
- PitchBook
- Relationship: Venture capital database frequently used to analyze YC outcomes.
- Official: https://pitchbook.com/
- CB Insights
- Relationship: Research firm analyzing startup ecosystems including YC.
- Official: https://www.cbinsights.com/
- Dealroom
- Relationship: [...]
[...] https://www.ycombinator.com/library
High-quality overview sources:
- YC company directory: https://www.ycombinator.com/companies
- YC blog/library: https://www.ycombinator.com/library
- Paul Graham essays: https://paulgraham.com/
- Startup accelerator comparison reference (Crunchbase): https://www.crunchbase.com/hub/top-startup-accelerators [...]
May 12, 2026
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.
[...] g it a major ecosystem signal.
6. YC Library
- https://www.ycombinator.com/library
- Best for:
- Verifying YC guidance, startup advice, and educational materials.
- Why it matters:
- Curated founder resources directly from YC partners and alumni.
Corporate / Financial Verification Sources
7. Crunchbase
- https://www.crunchbase.com/organization/y-combinator
- Best for:
- Investment history, portfolio analysis, funding rounds, acquisitions, and ecosystem comparisons.
- Why it matters:
- Widely used startup and venture database.
- Caveat:
- Some entries are user-updated and may lag official di [...]
May 12, 2026
[...] gnal.
6. YC Library
- https://www.ycombinator.com/library
- Best for:
- Verifying YC guidance, startup advice, and educational materials.
- Why it matters:
- Curated founder resources directly from YC partners and alumni.
Corporate / Financial Verification Sources
7. Crunchbase
- https://www.crunchbase.com/organization/y-combinator
- Best for:
- Investment history, portfolio analysis, funding rounds, acquisitions, and ecosystem comparisons.
- Why it matters:
- Widely used startup and venture database.
- Caveat:
- Some entries are user-updated and may lag official disclosures.
8. PitchBook [...]
May 12, 2026
[...] est for:
- Customer sentiment on consumer-facing YC startups.
- Why it matters:
- Broad public review aggregation.
- Caveat:
- Can contain manipulated or biased reviews.
Useful Claims-to-Source Mapping
If you want to verify:
- “Did this company go through YC?”
- YC Companies Directory
- Crunchbase
- PitchBook
- “What are YC’s funding terms?”
- YC Apply page
- YC Blog
- “How successful are YC startups?”
- Crunchbase
- PitchBook
- CB Insights
- SEC filings
- “What do founders think of YC?”
- Reddit
- Hacker News
- YouTube interviews
- “How influential is YC?”
- TechCr [...]
May 12, 2026
[...] - Can contain manipulated or biased reviews.
Useful Claims-to-Source Mapping
If you want to verify:
- “Did this company go through YC?”
- YC Companies Directory
- Crunchbase
- PitchBook
- “What are YC’s funding terms?”
- YC Apply page
- YC Blog
- “How successful are YC startups?”
- Crunchbase
- PitchBook
- CB Insights
- SEC filings
- “What do founders think of YC?”
- Reddit
- Hacker News
- YouTube interviews
- “How influential is YC?”
- TechCrunch
- The Information
- Academic research
- Venture databases
- “Did YC back major unicorns?”
- YC Directory
- Crunchb [...]
May 12, 2026
[...] nchbase
- PitchBook
- CB Insights
- SEC filings
- “What do founders think of YC?”
- Reddit
- Hacker News
- YouTube interviews
- “How influential is YC?”
- TechCrunch
- The Information
- Academic research
- Venture databases
- “Did YC back major unicorns?”
- YC Directory
- Crunchbase
- SEC filings
- Reuters/Bloomberg reporting
For high-confidence verification, combine:
- One primary source (YC or SEC filing)
- One structured data source (Crunchbase/PitchBook)
- One independent reporting source (Reuters/TechCrunch/Bloomberg)
That triangulation reduces the risk of relying o [...]
May 12, 2026
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/documents)
* **Bookface:** The private social network and knowledge base reserved exclusively for YC alumni. (Private, but referenced here: [ycombinator.com/blog/how-yc-helps](https://www.ycombinator.com/blog/how-yc-helps-founders-after-the-program/))
### Comparison & Review Resources
* **Crunchbase:** Used to track YC's investment data and portfolio performance. [crunchbase.com/organization/y-combinator](https://www.crunchbase.com/organization/y-combinator)
* **PitchBook:** Provides institutional-grade data on YC fundings and exits. [pitchbook.com](https://pitchbook.com/)
* **TechCrunch:* [...]
May 12, 2026
[...] se reserved exclusively for YC alumni. (Private, but referenced here: [ycombinator.com/blog/how-yc-helps](https://www.ycombinator.com/blog/how-yc-helps-founders-after-the-program/))
### Comparison & Review Resources
* **Crunchbase:** Used to track YC's investment data and portfolio performance. [crunchbase.com/organization/y-combinator](https://www.crunchbase.com/organization/y-combinator)
* **PitchBook:** Provides institutional-grade data on YC fundings and exits. [pitchbook.com](https://pitchbook.com/)
* **TechCrunch:** Frequently covers YC "Demo Day" events and portfolio announcements. [techcr [...]
May 12, 2026
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.
[...] ist of YC Top Companies](https://www.ycombinator.com/topcompanies)
### 5. Common Use Cases (Why Founders Join)
Founders typically cite these specific reasons for applying to YC:
* **Fundraising (The YC Bump)**: YC companies often get higher valuations and easier access to top-tier VCs.
* [Crunchbase Analysis of YC Funding](https://news.crunchbase.com/venture/y-combinator-startups-funding-data/)
* **Product-Market Fit (PMF)**: YC is famous for the motto "Make something people want."
* [YC’s Library on PMF](https://www.ycombinator.com/library/5z-product-market-fit)
* **The Directory/Ne [...]
May 12, 2026
[...] ry on PMF](https://www.ycombinator.com/library/5z-product-market-fit)
* **The Directory/Network**: Instant access to thousands of fellow founders for advice or B2B sales.
### 6. Comparison & Review Sites
For founders deciding between accelerators, these platforms provide data and reviews.
* **Crunchbase**: Used to track the funding and exit success of different accelerators.
* [Crunchbase Accelerator Rankings](https://www.crunchbase.com)
* **G2**: While primarily for software, G2 lists business service providers and accelerators.
* [G2 Startup Service Listings](https://www.g2.com/)
* [...]
May 12, 2026
[...] work**: Instant access to thousands of fellow founders for advice or B2B sales.
### 6. Comparison & Review Sites
For founders deciding between accelerators, these platforms provide data and reviews.
* **Crunchbase**: Used to track the funding and exit success of different accelerators.
* [Crunchbase Accelerator Rankings](https://www.crunchbase.com)
* **G2**: While primarily for software, G2 lists business service providers and accelerators.
* [G2 Startup Service Listings](https://www.g2.com/)
* **PitchBook**: Provides deep-dive data on YC’s internal performance and IRR (Internal Rate [...]
May 12, 2026
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.
[...] tant for verifying leadership changes (e.g., Garry Tan’s appointment as President/CEO) and program shifts.
### 2. Startup & Financial Databases
Because YC is a private entity, secondary data aggregators are necessary to verify funding rounds, acquisition values, and competitive benchmarks.
* **[Crunchbase - Y Combinator Profile](https://www.crunchbase.com/organization/y-combinator):** Essential for tracking the total number of exits, acquisitions, and the total diversity of their investment portfolio.
* **[PitchBook](https://pitchbook.com):** Often used for institutional-grade benchmarks on accele [...]
May 12, 2026
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.
[...] erview**
[Wikpedia entry on Y Combinator](https://en.wikipedia.org/wiki/Y_Combinator) offers a structured historical summary with references to founding details, program evolution, and notable alumni, useful for cross-checking timelines with citation trails.
**Directory and Funding Database**
[Crunchbase profile for Y Combinator](https://www.crunchbase.com/organization/y-combina) supplies independent verification of funding rounds, total capital deployed, valuation trends, and portfolio exits.
**News and Analysis Outlets**
Reputable coverage from [TechCrunch](https://techcrunch.com/tag/y-combina [...]