What they do:
Web search rebuilt for LLMs
Quick facts:
HQ: San Francisco, CA, United States
Top Search Startups
This list has 19 startups and was last updated on Oct 15, 2026. 1 of them are hiring right now. Largest teams: Exa, Reducto, and Shaped.
19 startups
Reducto
Hiring
What they do:
The complete agentic document platform
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The real-time retrieval engine for search, feeds, and agents.
Quick facts:
HQ: New York, NY, United States
What they do:
Enter your domain & Origami gets you customers.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Search and automation for engineer-to-order companies
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Deep intelligence for private markets
Quick facts:
HQ: San Francisco, CA, United States
What they do:
A search technology that actually finds what you’re looking for.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AI Search for the Next Generation
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Long-horizon research agents
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HQ: San Francisco, CA, United States
What they do:
Your personal AI Assistant
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HQ: San Francisco, CA, United States
What they do:
Self-tuning search for products and files
Quick facts:
HQ: San Francisco, CA, United States
What they do:
An AI agent for scientific research
Quick facts:
HQ: San Francisco, CA, United States
YC S24Early stage
Onyx
Acquired
What they do:
Open Source AI Chat
Quick facts:
HQ: San Francisco, CA, United States
Trieve
Acquired
What they do:
All-in-one API for search, RAG, & recommendations
Quick facts:
HQ: San Francisco, CA, United States
Structured Labs
Shut down
What they do:
The publishing layer for the agentic internet
Quick facts:
HQ: San Francisco, CA, United States
Phind
Shut down
What they do:
AI search engine
Quick facts:
HQ: San Francisco, CA, United States
Branch AI
Shut down
What they do:
AI Overview Search, as a Service
Quick facts:
HQ: Singapore
Glimmer
Shut down
What they do:
AI search for massive PDFs
Quick facts:
HQ: San Francisco, CA, United States
Lumona
Shut down
What they do:
AI-enabled search engine featuring insights from social media.
Quick facts:
HQ: Boston, MA, United States
Questions and answers
How many startups are on this list?
There are 19 startups on this list, last updated on Oct 15, 2026.
Which of them are hiring?
1 of them are hiring right now, including Reducto.
Which of them have the largest teams?
By team size: Exa (75 employees), Reducto (30 employees), and Shaped (25 employees).