YC-Backed Companies

Archal

The eval platform for autonomous software

Codag

Systems log compression for agents.

Control Seat

Control and Monitoring of Industrial Operations

GUILD

Neoprime Reshaping Defense Supply Chain

Rex

AI Operations Partner for Enterprise Order to Cash

Tsenta

We match you with jobs and apply automatically

Acrely

Enterprise Voice Agents

Adaptional

AI-powered insurance claims review

AgentMail

Email Inboxes for AI Agents

Alara

Procurement Platform for Dental Offices

Albacore Inc.

Drone submarines

Alter

Secure access control and authorization platform for agent workflows

Altur

Voice AI Agents for Debt Collection

Ambral

AI for account management and customer success

Astor

AI advisor for retail investors

Autosana

AI agents for E2E testing across mobile & web

Autumn

Billing infrastructure for AI

Avelis Health

We audit medical claims for self-insured employers and health plans.

Avent

AI agents for industrial commerce

Bizzy AI

Bizzy works 24/7 so you never miss a lead.

Blank Bio

RNA intelligence for precision medicine

Blue

Your phone finally has someone to run it. Plug in Blue, just ask.

BootLoop

Firmware in minutes, not months - rigorously tested on real hardware

CLODO

Planet-scale people discovery.

Cactus

Low-latency AI engine for mobile devices & wearables

CareSwift

AI scribe for Ambulance Reports

Certus AI

Replacing the restaurant phone line with Voice AI

Channel3

Database of every product on the internet

Char

The AI notepad that knows and works for you

Closera

AI Shopping Agent for Your Ecommerce Store

Comena

AI agents for distributors and manufacturers to automate order entry.

ContextFort

Visibility and Controls for Browser Agents

Convexia

The world's first AI-maximalist pharma company

Costream

Indexing human dialogue through digital products

Cyberdesk

Self learning computer use agent for developers

Datafruit

The AI workspace for software implementations

Dedalus Labs

Compute substrate for AI agents

DeepAware AI

Robots, parts & RL environments - delivered in 72 hrs or pickup in SF.

DeepGrove

Frontier Intelligence. On Any Device.

Design Arena

World's largest crowdsourced benchmark for AI-generated design

Doe

The boring stuff, handled. Everything else, supercharged.

Duranium

Reshoring critical metal production

Eden

AI sales practice using your real deals

EffiGov

The AI OS for Cities

Embedder

AI Agents for Firmware

Epicenter

ChatGPT's memory feature in an open, portable format

F2

The AI platform for private markets investors

F4 Industries

The GD&T Analysis Platform for Engineering Drawings

Finto

AI accounting for enterprise finance teams

Flai

We Bring Customers to Your Dealership

Fleetline

Optimizing fleet planning with data driven algorithms

Floot

The easiest way for non-coders to build apps with AI.

Fluidize

Helping scientists and engineers run experiments with AI.

Flywheel AI

Waymo for excavators

Freya

Voice AI for Enterprises

Frizzle

AI Grading for Teachers

Fulcrum

The agentic debugger for AI systems

GETASAP

Distribution at the Speed of Compute

GhostEye

Vulnerability Management for the Human Layer

GoRiff

Personalized AI Stories with Music

Golpo

Create Whiteboard Explainer Videos with AI from a Prompt or Document

Halluminate

Data and RL environments to automate knowledge work

Hera

AI Motion Designer

Humoniq

AI-Native BPO for travel & transport

Idler

Reinforcement learning environments.

Imprezia

The World's First AI Ad Network.

Interface

The world model research lab

Interfere

Build software that never breaks

Iron Grid

AI Insurance for hardware.

IronLedger.ai

AI-enabled Corporate Cards and Invoice Processing for Real Estate

Janet AI

The AI-Native Product Management System

Juxta

Building a GPS alternative 100x more powerful with no hardware needed.

KERNEL

Crazy fast, open source infra for AI agents to use the Internet

Kalinda

Deep research for class action law firms

Kestroll

Knowlify

The AI Explainer Video Maker

LLM Stats

Independent AI evaluations lab

Lanesurf

Voice AI for booking freight

Lark

The E2E testing layer for AI-driven development

Lilac

We automatically monetize idle GPUs

Liva AI

Audio & Video Data

Locata

AI Referral Automation for Primary Care Clinics

Lotas

AI for Data Science and 3D

Luminal

Making AI run fast on any hardware.

Magnetic

AI Tax Preparer for CPA firms

Magnitude

The best coding agent for open models

MangoDesk

RL environments for software engineering

Manufact (formerly mcp-use)

Open source SDK & cloud infrastructure for MCP Servers & ChatGPT Apps

Maximal

Maximal is a planning agent for commercial truck fleets

Meteor

An AI-Native Browser

Metis

Infrastructure to build reliable agents

Mimos

Helping companies rank in AI search

Minimal AI

AI Agents for E-commerce Customer Support

Modelence

The full-stack platform for agentic development

Monarcha

Turn maps into data

Motives

Consumer focus groups run by AI

Munify

The Cross-Border Neobank for the Middle East

NOSO LABS

Build AI agents for field technicians to diagnose and sell 10x better

Nautilus

AI platform to grow and to optimize car washes

Nexa Labs

Implantable microchips and AI for cattle monitoring

Nixo

The first ops platform for forward deployed engineers

Normal

Testing and certifying the hardware of the future

Notte

Reliable Web Agents for Enterprise

Novaflow

The AI data analyst for biology labs

Nox Metals

Supplying America's Industrial Base

Nozomio

index anything. search it with ai.

Nuntius

Making Models Follow Rules.

Okibi

Build AI coworkers using natural language, it's Lovable for agents

Omnara

Mobile & Web Interface for Claude Code & Codex

OnDeck AI

Analyze any footage, without training a model

Opennote

The notebook that thinks with you.

Orange Slice

Agentic sales enrichment spreadsheet

Outrove

Ultra-realistic AI Recruiter

PARES AI

AI-native real estate services firm

Pally

Intelligent Unified Inbox + Personal CRM

Paloma

AI-native CRM for putting post-sales operations on autopilot

Panels

Audio Data for AI Labs

Pangolin

Identity-aware VPN and proxy for remote access to anything, anywhere.

Panoptive

Real-time defensible oversight for clinical trials

Parachute

Infrastructure for hospitals to monitor and deploy clinical AI

Perseus Defense

America's Golden Dome for Drones

Perspectives Health

Automating away admin for behavioral health clinics

Phases

Automated clinical trial oversight and execution

Pingo AI

AI companion that helps you learn languages

Playgent

Sandboxes for AI agents

Pleom

Agentic Business Intelligence

Preseen

The AI forecasting company for global macro events.

ProcIndex

AI Agents for Accounting Operations

Proliferate

Manage a team of agents from your desktop

Reacher

We automate creator marketing for the world's largest brands

RealRoots

AI social app for women

Rebulk

Accurately measure and monitor bulk inventory

Relling

video research lab

Risely AI

AI agents that automate administrative work across college campuses.

Riverbank

AI-native Red Teaming and Offensive Security

RowFlow

Replacing forms with AI conversations

Ruvo

The Global Dollar App for Brazil

Serafis

The AI knowledge graph for institutional investors

Shor

International payroll, built for founders

SigmanticAI

The Cursor for Chip Design - Delivering Silicon-Ready Chip Designs…

Sira

AI Native Rippling for Deskless Workers

Zencoder

Video Encoding API, Open source video player (video.js)

Zenedy

Airbnb

Book accommodations around the world.

Cloudkick

Divvyshot

Echodio

Sync and stream your music across any device. Acquired in 2009.

Foodoro

Heyzap

Heyzap (acquired by Fyber for $45m in 2016) is one of the largest…

Nambii

PetaSales

Picurio

Recurious

Skysheet

Browser-based spreadsheet.

Spaces Life

Volantio

Post-booking revenue and capacity optimization for airlines…

Voxli

Wattvision

Sensors and software for energy tracking. Like 'fitbit' for your…

reMail

Email search for iPhone. Acquired by Google in Feb 2010.

280 North

A Thinking Ape

We build communities through massively multiplayer mobile games

BitSample

Deluux

FathomDB

Heroku

Enabling developers to build and run applications in the cloud.

Insoshi

Joberator

Kirkland North

Machine Zone

Pioneers of mobile social gaming.

MightyQuiz

Mixwit

Online mixtape service (create and share mixtapes). Launched as part…

Ninite

Simple third-party app patching and deployment for Windows.

Omnisio

Edit and enhance online video. Acquired by Google in July 2008.

RescueTime

Take Back Control of your Time

Snaptalent

Socialbrowse

Tipjoy

social micropayments

Trigger

Better PhoneGap.

Wundrbar

YumDots

Auctomatic

Buxfer

Buxfer helps you make better spending decisions by making it easy to…

Heysan

Free messaging on mobile phones

Octopart

Octopart is a search engine for electronic components

Socialmoth

Tsumobi

Messaging.

Twitch

A global community creating the future of live entertainment.

View3

Virtualmin

Weebly

Build a free website that grows with your business.

Whitenoise

WriteWith

Zenter

Zenter is the gmail of slides

Audiobeta

Clustrix

Flagr

Inkling

Project Wedding

Snipshot

We sold Snipshot to Ansa in 2013.

Wufoo

Online form builder.