AICW AI Mentions

AI Mentions, Links & Domains Report for Y Combinator

#31
organization,product

Brex

Mentioned by 2 AI models

0.8%
Share of Voice

About Brex (organization,product)

This page provides details about Brex (organization,product) which was ranked #31 out of 65 in the list of brands (11 mentions (0.8% share)) in answers from AI models (Anthropic Claude Sonnet Latest, OpenAI ChatGPT Latest) when they were asked the following 2 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." on May 12, 2026 by AICW AI Mentions.

#31
Rank
0.8%
Voice
27
Position
11 (1.5%)
Mentions

Mentions by AI Model

Model Voice Position Mentions
O OpenAI ChatGPT Latest 0.5% 27 7
A Anthropic Claude Sonnet Latest 0% 19 4

Source Links

Citations from AI Responses

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.

[...] nbase](https://www.coinbase.com/) | Crypto Exchange | | [Instacart](https://www.instacart.com/) | Grocery Delivery | | [Twitch](https://www.twitch.tv/) | Live Streaming | | [OpenAI](https://www.openai.com/) | Artificial Intelligence | | [GitLab](https://www.gitlab.com/) | DevOps / Code Hosting | | [Brex](https://www.brex.com/) | Fintech | | [Gusto](https://www.gusto.com/) | HR / Payroll | | [PagerDuty](https://www.pagerduty.com/) | IT Operations | | [Segment](https://www.segment.com/) | Data Infrastructure | | [Zapier](https://www.zapier.com/) | Workflow Automation | --- ## Key People Associated [...]

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.

[...] om/atlas)) is used by many YC companies to incorporate ### 2. [Clerky](https://www.clerky.com/) **Relationship:** Legal incorporation tool, officially recommended by YC - YC explicitly recommends Clerky for company formation on [their resources page](https://www.ycombinator.com/resources) ### 3. [Brex](https://www.brex.com/) **Relationship:** YC W17 alumni; corporate card designed for startups - Heavily used within YC's portfolio; YC recommends Brex to batch companies ### 4. [Gusto](https://gusto.com/) **Relationship:** YC W12 alumni; payroll tool widely used by YC startups - Listed in YC's rec [...]

May 12, 2026

[...] recommended by YC - YC explicitly recommends Clerky for company formation on [their resources page](https://www.ycombinator.com/resources) ### 3. [Brex](https://www.brex.com/) **Relationship:** YC W17 alumni; corporate card designed for startups - Heavily used within YC's portfolio; YC recommends Brex to batch companies ### 4. [Gusto](https://gusto.com/) **Relationship:** YC W12 alumni; payroll tool widely used by YC startups - Listed in YC's recommended tools for portfolio companies ### 5. [Mercury](https://mercury.com/) **Relationship:** YC-backed neobank popular across YC portfolio - Widely [...]

May 12, 2026

[...] mmary Map [Stanford/MIT/Harvard] ← Feeder Schools ↓ [YC Application + Hacker News Community] ↓ [YC Batch Program ($500K SAFE)] ↓ [Demo Day] → [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/), [Te [...]

May 12, 2026