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.

a0.devWinter 2025

We make mobile apps using AI.

A1BaseWinter 2025

Twilio for AI Agents

Amby HealthWinter 2025

AI Copilot for Ambulance Agencies (EMS)

ArtifactWinter 2025

An Collaborative, AI-native IDE for Hardware Engineers

AthenaHQWinter 2025

Get Your Brand Discovered on ChatGPT.

AxalWinter 2025

The AI Software Architect

BezelWinter 2025

Digital AI humans that model clothes for e-commerce brands.

CalltreeWinter 2025

Enterprise-grade AI support reps for call centers

CandorWinter 2025

We help companies win government funding with AI

CardamonWinter 2025

AI compliance co-pilot for regulated financial businesses

Caseflood.aiWinter 2025

the AI inbound sales team for law firms

CedarWinter 2025

The open source copilot for any app

ContrarioWinter 2025

AI-powered recruiting team for startups

ErgoWinter 2025

AI Agents for Sales Operations

Excellence LearningWinter 2025

AI tutor starting with maths and science

ExlaWinter 2025

An SDK to run transformer models anywhere

FiraWinter 2025

Agentic AI platform for investment firms

HarberaWinter 2025

AI Healthcare Provider Credentialing Software

hudWinter 2025

hud is building evals for the drop-in worker

KarsaWinter 2025

Stablecoin neobank for emerging markets

Lucidic AIWinter 2025

Weights & Biases for AI Agents

MacadamiaWinter 2025

AI Agents for Complex Engineering Projects

MaiveWinter 2025

Visual AI for factories

MisprintWinter 2025

Misprint is building Robinhood for Pokemon cards

Miyagi LabsWinter 2025

Shopify for AI-generated courses

NextByteWinter 2025

AI recruiter tuned to identify the best vibe coders

OkiWinter 2025

Personalized Updates on Company Progress

OvloWinter 2025

AI agents for supply chain workflow automation

ParagonWinter 2025

The AI Growth Engine for Industrials

Peppr AIWinter 2025

Self-improving knowledge base synthesizing scattered company data

PermitifyWinter 2025

AI co-pilot for building plan review and building code compliance

QuantstructWinter 2025

AI documentation engineer – test & autoimprove stale product docs

RallyWinter 2025

Financial OS for Modern Fleets

ReboltWinter 2025

Build apps and agents by speaking with AI

RoarkWinter 2025

Test, monitor, and improve your voice agents

Sennu AIWinter 2025

Hands off Salesforce QA

SwerveWinter 2025

Make & Watch Fun Videos

TallyWinter 2025

Coming soon!

TamLabsWinter 2025

Cursor for Microsoft Word

Tejas AIWinter 2025

Risk Decisioning Platform for Banks

TensorPoolWinter 2025

Vercel For GPUs

ThirdLayerWinter 2025

Building Dex, the AI Browser Copilot

Tire SwingWinter 2025

AI for Healthcare Compliance

TrainLoopWinter 2025

Reasoning Fine-Tuning

TrataWinter 2025

AI-powered research desk for hedge funds

TripleZipWinter 2025

Automating CRE accounting with AI

Vocality HealthWinter 2025

Voice AI for medical language translation

WildcardWinter 2025

Coding Agents for Engineering Managers

AdamWinter 2025

AI Powered CAD

AfterQueryWinter 2025

Research lab investigating the boundaries of AI capabilities.

Agentin AIWinter 2025

AI Agents that automate enterprise software processes

Alice.techWinter 2025

AI-driven exam prep

ArchonWinter 2025

We help software companies sell to government.

Artificial SocietiesWinter 2025

We use AI to simulate entire human societies

assistant-uiWinter 2025

Open Source React.js Library for AI Chat

AsteroidWinter 2025

AI Browser Agents for the Back-Office

AstroWinter 2025

The world’s first AI energy developer

AugentoWinter 2025

Improving Agents through Reinforcement Learning

AxiomWinter 2025

Trade memecoins, perpetuals, and earn yield.

Bild AIWinter 2025

AI that understands construction blueprints