The YC company directory.

166 active Y Combinator companies. Browse by batch, click into any company to read the one-liner, founders, and quick facts. Seoable was built for founders who run companies like these.

BindwellWinter 2025

Discovering new pesticides with AI

BlindPayWinter 2025

Stablecoin API for global payments

BluebookWinter 2025

AI for accounting

Browser UseWinter 2025

Leading open-source web agent project with 50k stars in 3 months

ButterWinter 2025

Behavioral Cache for Agents

BystreetWinter 2025

Source deals with AI research agents

careCycleWinter 2025

Voice AI teams for medicare agencies.

CasixtyWinter 2025

Reddit Marketing Agent for technical audiences

CenoteWinter 2025

Automate back office tasks for medical clinics

ClosureWinter 2025

We help law enforcement solve crime

Confident AIWinter 2025

Open-Source Unit Testing for LLM Applications

ConntourWinter 2025

AI to monitor thousands of security cameras.

CopyCatWinter 2025

The AI RPA - Powered by Browser Agents

Cuckoo LabsWinter 2025

Real-time AI translator for global sales and marketing

DalusWinter 2025

AI-Powered Hardware System Design Software

Dartboard EnergyWinter 2025

AI Analyst for Electricity Markets

DelineateWinter 2025

Agents for Accelerated Clinical Trial Design

DemeterWinter 2025

AI Value Creation Team for Private Equity

DollyglotWinter 2025

Character.AI with real time video avatars

Egress HealthWinter 2025

Automated revenue cycle management, starting with dentists

Enhanced RadarWinter 2025

AI for air traffic control

Exin TherapeuticsWinter 2025

AI drug discovery platform for neurotherapeutics

FuseAIWinter 2025

The only sales software you will ever need.

G LNKWinter 2025

Simplifying Collaboration for Healthcare Organizations & Professionals

GaleWinter 2025

Fast and Data-Driven Immigration Platform

General AgencyWinter 2025

AI coworkers that can learn and act just like a human

General TrajectoryWinter 2025

Reasoning models for robotics

GradeWizWinter 2025

AI Grading for Teachers

HaleumWinter 2025

Human Risk Intelligence for the AI-era

HarperWinter 2025

AI-native commercial insurance brokerage

HeyTeloWinter 2025

Voice AI for Home Services

InfiniteWinter 2025

Global B2B Stablecoin Processor

InstinctWinter 2025

Building the lunar future.

Inversion SemiconductorWinter 2025

Manufacturing the most powerful chips, 15x faster

InvoWinter 2025

AI-Powered Collections Platform for Food Distributors

KarooWinter 2025

Canadian neobank focused on lending

Lopus AIWinter 2025

Data Unification for GTM Analytics

LucidWinter 2025

interactive video models

Maritime FusionWinter 2025

Fusion reactors for ships

MastraWinter 2025

The Javascript framework for building AI agents, from the Gatsby devs

Mecha HealthWinter 2025

Foundation models to automate x-ray analysis for radiologists

MentraWinter 2025

Building the open source smart glasses operating system.

MercuraWinter 2025

AI Quote and Order Automation for Distributors & Manufacturers

MeshWinter 2025

Building your AI finance co-worker

MosaicWinter 2025

Create and run your own video editing AI agents

Mundo AIWinter 2025

High Quality Multilingual Training Data for AI Models

NitrodeWinter 2025

AI game development engine & platform

OliveWinter 2025

Build internal tools with a prompt.

OnlookWinter 2025

Cursor for Designers

OperandWinter 2025

AI to Replace Management Consulting

Optifye.aiWinter 2025

AI performance monitoring for factory workers

Orbital OperationsWinter 2025

High Thrust Space Vehicles for Satellite Defense

OrchidsWinter 2025

AI Website Builder

OsmosisWinter 2025

Online Reinforcement Learning for AI Agents

OutlitWinter 2025

AI Quoting and Proposals

Overstand LabsWinter 2025

We help business leaders get back into Founder Mode

Paratus HealthWinter 2025

AI-powered intake nurse

Pave RoboticsWinter 2025

Robots that repair roads

PAX MarketsWinter 2025

Exchange and co-located trading facility, on a chip.

PickleWinter 2025

We're building a living digital clone for everyone.