YC X26 companies

The personal AI agent that keeps up with your work and life.

Horizontal AI assistants

TikTok for User-generated Games

Consumer

Autonomous Runtime Security

Security and compliance

Vanta for physical products

B2B SaaS

The P&L for knowledge work

Vertical AI agents

Real-world sandboxes to test and train AI agents

Agent infrastructure

The Agentic ERP for supply chain operations

Vertical AI agents

Counter Drone Systems. $1.6m sales. We delivered for the DoW.

Defense and space

The Intelligence layer for Drug Manufacturing

Healthcare and bio

Cancer screening without barriers

Healthcare and bio

Machine intelligence for American Welding

Robotics and physical world

Phone Numbers for AI Agents

Agent infrastructure

Submarine drones for defense

Defense and space

Autonomous Customer Operations

Vertical AI agents

Building AI Native Customs Brokerages

Developer tools

The spend control layer for AI agents

Agent infrastructure

AI Native Shopify

Vertical AI agents

Agents that build personal injury cases

Vertical AI agents

Andustry · AI-native broker for industrial equipment. · Andustry

Robotics and physical world

The first wearable that reads your emotions to enhance your EQ.

Consumer

Autonomous research agents for R&D and applied science

Vertical AI agents

We make the most compact nuclear reactors

Climate and energy

AI water leak detection for buildings

Vertical AI agents

AI-native credentialing and contracting for healthcare

Vertical AI agents

AI-native internal audit firm

Vertical AI agents

Database sandboxes for Agents

Agent infrastructure

Track drones and missiles without radars - Accurate, Passive, Scalable

Defense and space

We get your product picked by coding agents.

Agent infrastructure

The autonomous ERP for every manufacturer

Vertical AI agents

AI recruiters for staffing agencies

Vertical AI agents

Robotic pitstops for self-driving cars

Robotics and physical world

Automating open-ended research.

Vertical AI agents

AI Operating System for Clinical Development

Vertical AI agents

AI Agents for Analog Circuit Design

Vertical AI agents

Simulations of real people for market research

B2B SaaS

The human-in-the-loop system for robots

Robotics and physical world

Monitoring and learning layer for long-running agents

Agent infrastructure

Real world training envs for healthcare AI models

Data for AI

The brand layer for agents.

Agent infrastructure

AI voice agents for on-prem telephony stack.

Vertical AI agents