Startupsby GlyphWhy it ranks
How the rank works- went through YCProgram · this site+4
- team of 4Team size · YC's directory+3.6
- hiringHiring · Titles (titles.fru.dev), YC+2
A sum of public facts, not a judgement and not investment advice.
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
| AI | Inactive | YCW21 | |
| Devtools | Active | YCW22 | |
| EntryShared: identity verificationYC W17InactiveAI | AI | Inactive | YCW17 |
| AI | Active | YCW23 | |
| AI | Active | YCX26 |
Adjacent
| Company | Category | Status | Program |
|---|---|---|---|
| Other | Not stated | EF2020 | |
| Devtools | Not stated | Seedcamp2018 | |
| Other | Not stated | Plug and Play | |
| AI, Data | Active | YCS23 | |
| Devtools | Not stated | 500 Global2017 |
Also from W26 in AI
All of W26Founders
- Vishnu SampathkumarFounder/CEO
- Shiv KampaniFounder
About Autumn
Autumn builds research agents that answer questions about people and companies at scale. These AI agents are powered by a live index of over 1 billion people, 100 million companies, and state-of-the-art web research tools. Autumn is already in production with enterprise teams at Brex, Rippling, PostHog across sourcing, enrichment, and identity-verification workflows. We are a small, highly-technical team. Our vision is to be the search engine that agents use when they need to understand people, their networks, and professional lives.
- YC batch
- W26 · Winter 2026
- Status, per YC
- Active
- Category
- AI
- Team size
- 4
- Location
- San Francisco, CA, USA
- Founded
- 2025
- Checked
- 7h ago
Changes seen
Autumn: questions
Which YC batch was Autumn in?
Autumn was in Y Combinator's Winter 2026 batch (W26).
Is Autumn still active?
Y Combinator lists Autumn as active.
Who founded Autumn?
Autumn's founders, as listed on its YC page: Vishnu Sampathkumar (Founder/CEO), Shiv Kampani (Founder).
Where is Autumn based?
Autumn lists San Francisco, CA, USA as its location on YC's directory.