What they do:
We teach your immune system to attack and cure cancer
Quick facts:
Y Combinator Winter 2023 Startups
This list has 274 startups and was last updated on Oct 15, 2026. 78 of them are hiring right now. Biggest hubs: San Francisco (112), New York (50), and Bengaluru (7). Largest teams: Alaan, Tennr, and Numeral. Latest round: Clueso raised $10M (Oct 13, 2026).
274 startupsPage 5 of 8
What they do:
Models that keep learning
Quick facts:
HQ: London, United Kingdom
What they do:
Design and build great interfaces
Quick facts:
HQ: Remote
What they do:
AI-first user research platform
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Neobank for e-commerce businesses
Quick facts:
HQ: New York, NY, United States
What they do:
Realtime Access to Verified Tax Records
Quick facts:
HQ: San Francisco, CA, United States
What they do:
We build tools to help humanity predict the future.
Quick facts:
HQ: New York, NY, United States
What they do:
Platform to automate manual back-office work
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Automating root cause analysis with generative AI
Quick facts:
HQ: New York, NY, United States
What they do:
Detect every data leak into third-party GenAI tools
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Investment research data for AI agents
Quick facts:
HQ: Singapore
What they do:
Invest in public companies KPIs
Quick facts:
HQ: New York, NY, United States
What they do:
AI Operating System for Debt Settlement
Quick facts:
What they do:
Find the best leads with custom intent signals
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Language learning with a conversational AI Tutor
Quick facts:
HQ: Zürich, Switzerland
What they do:
AI to increase payment acceptance and reduce fraud for businesses
Quick facts:
HQ: Singapore
What they do:
Deal Intelligence and Sales Coaching Platform
Quick facts:
HQ: New York, NY, United States
What they do:
Your AI Partner for SAP Development
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The world's simplest Bitcoin self-custody solution
Quick facts:
HQ: San Francisco, CA, United States
What they do:
type text, dream video
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Cloud Native SIEM (alternative to Splunk/Elastic)
Quick facts:
HQ: Seattle, WA, United States
What they do:
Building your AI coworkers for any team, workflow, or industry.
Quick facts:
HQ: Seattle, WA, United States
What they do:
AI coding copilot engineered for performance
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The smart way to research stocks.
Quick facts:
HQ: New York, NY, United States
What they do:
The operating system for the car wash industry.
Quick facts:
HQ: Temecula, CA, United States
What they do:
Collaborative workspace for internal tools and agents
Quick facts:
HQ: Eugene, OR, United States
What they do:
Deploy Machine Learning Models with One Command
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AI browser copilot for teams
Quick facts:
HQ: Jacksonville, FL, United States
What they do:
Turn your ideas into full-stack apps
Quick facts:
What they do:
High-performance computing cloud
Quick facts:
What they do:
AI Teammates for Data Tasks
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AI Accountability Partner
Quick facts:
HQ: New York, NY, United States
What they do:
Your self-generating, self-maintaining code knowledge base.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AI assisted documentation for PT/OT/SLP
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Product design tool that lets everyone design like a designer
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AI Search Engine for Academic Research
Quick facts:
HQ: New York, NY, United States