forming now

Fall 2026 is filling up

YC publishes companies to its public directory continuously, so a batch grows in the open for months. 111 companies are listed for F26 so far - a completed batch has run around 199. The radar re-syncs the directory every day.

Even further ahead: Winter 2027 has 1 listed, Summer 2027 has 1 listed.

111

listed in F26

110

added since February

237

in S26

15

clusters represented

Batch sizes

Companies listed per batch. The last bar is still growing.

274
W23
220
S23
248
W24
248
S24
94
F24
166
W25
144
X25
166
S25
146
F25
199
W26
196
X26
237
S26
111
F26
1
W27
1
S27

What F26 is buildingvs S26

Vertical AI agents
24 · 22%-3 pp
Agent infrastructure
18 · 17%+0 pp
Data for AI
8 · 7%+3 pp
Fintech
7 · 6%+2 pp
Developer tools
6 · 6%+3 pp
B2B SaaS
5 · 5%+1 pp
Consumer
3 · 3%-1 pp
Defense and space
2 · 2%-2 pp
Climate and energy
1 · 1%+0 pp
Healthcare and bio
1 · 1%-5 pp
Other
1 · 1%+1 pp

Every company listed so far

Agent 37new

Agent infrastructure

Persistent sandboxes for agents like hermes, openclaw, claude code

Persistent sandboxes for AI agent execution

Agent Relaynew

Agent infrastructure · 2 people

The infrastructure to run coding agents for your team

Agent orchestration and workflow platform

Ageospatialnew

Fintech · 1 people

Physical intelligence for every decision with Geospatial AI.

AI-powered property risk valuation for insurers

antimattrnew

Agent infrastructure · 2 people

voice-first hardware interface for human-agent interaction

voice hardware for agent interaction

Antropi Roboticsnew

Robotics and physical world

Autonomous CNC factories for faster hardware

Autonomous CNC manufacturing

Applied Kineticsnew

Vertical AI agents · 2 people

AI for the industries that power America.

Procurement agents for energy infrastructure

Archangel Healthnew

AI infra and compute · 2 people

Infra to make AI safe enough to practice medicine

Medical AI training and evaluation infrastructure

Asakananew

Vertical AI agents · 4 people

AI order entry for food distributors: emails and texts to ERP

Order entry for food distributors

Ascenixnew

Data for AI · 7 people

Clinical intelligence layer for skilled nursing facilities.

Clinical data intelligence for healthcare facilities

Asimnew

Robotics and physical world · 4 people

Enable robots to operate safely in the real world.

Robot safety systems

Aviernnew

Robotics and physical world · 4 people

Unmanned airplanes for geospatial intelligence

Autonomous aerial vehicles for infrastructure monitoring

Boatnew

Agent infrastructure · 3 people

The best cloud VMs for billions of agents

Cloud VMs for AI agents

Boxes.devnew

Agent infrastructure · 2 people

Cloud development environments for AI coding

Dev environments for AI agents

Bryelnew

Developer tools · 2 people

Devin for AI Research Engineering

AI research engineering copilot

Buildboxnew

Agent infrastructure · 2 people

Agent analytics for real user outcomes

AI agent analytics and monitoring

ByteAsknew

Developer tools · 2 people

The AI coding agent for C and C++

AI coding agent for C/C++

Capveonnew

B2B SaaS · 2 people

Turning infrastructure demand into action

Government contractor sales enablement

Cleannew

Data for AI · 5 people

We tell sellers exactly when a company is ready to buy.

Deal origination from real data

Collarnew

Vertical AI agents · 2 people

AI for Investor Relations

AI agents for private market investment

CONUSnew

Data for AI · 3 people

The AI knowledge layer for medical devices

Medical device and surgical information search

Coveranew

Vertical AI agents · 2 people

AI-native OS for insurance brokers

AI agents for insurance broker operations

Cyclonnew

Consumer · 2 people

a phone where AI is the interface

AI-first personal device

Decentnew

Fintech · 2 people

Your health plan should get better year-round. Not just once a year.

AI health insurance optimization

DeepMarknew

Security and compliance · 5 people

A live watermark inside AI voice that survives phone calls

AI voice authentication watermarking

Definitenew

Vertical AI agents · 3 people

Build everyday back-office agents on one live model of your books

Back-office finance agents for accounting

Degla Incnew

Robotics and physical world · 2 people

The fully autonomous intelligence layer in the sky.

autonomous multi-drone mission planning

Deploynew

Robotics and physical world · 2 people

The generalist robot deployment company.

Generalist robot deployment

Dreamscale Labsnew

AI infra and compute · 4 people

Running robot brains in the cloud

Low-latency cloud inference for robotics

Dydemanew

Data for AI · 2 people

The model company for neurotech.

Brain data collection and modeling

Elimentarynew

Vertical AI agents · 5 people

Agents that run middle/back-office operations for Private Capital

AI agents for back-office operations in private capital

Faradaynew

Agent infrastructure · 2 people

Industrial aOS between humans, agents, and robots

Industrial agent and robot orchestration

Forwardnew

Fintech · 5 people

Unifying Global Private Credit

AI-powered private credit marketplace

Frontrunnernew

Vertical AI agents · 2 people

Cursor for GTM

AI agents for GTM operations

GodHandsnew

Developer tools · 2 people

Your company’s operating model, learned from the work.

AI-powered engineering knowledge base

GrayPassnew

Security and compliance · 2 people

Verify that the expected person is in control before key actions.

Cognitive biometric continuous verification

Grep AInew

Horizontal AI assistants · 6 people

AI agents that automate high-stakes knowledge work you can't afford…

Knowledge work automation

HABUnew

Other · 2 people

Like Crosby, but for real estate development

AI-native real estate development

Halmos Labsnew

Healthcare and bio · 3 people

Maximum information per experiment, minimum experiments per conclusion

AI-powered biotech R&D automation

Hemlocknew

Robotics and physical world · 1 people

Force-sensing wristband for training robotic AI

force sensing hardware for robot training

herdrnew

Agent infrastructure · 1 people

building the open agent runtime

Agent orchestration and runtime management

Hesper AInew

Vertical AI agents · 2 people

AI Claims Investigator for Insurance

Insurance claims investigation agents

Hickory & Companynew

Vertical AI agents · 3 people

Hickory offers agentic compliance and BSA for banks and fintechs

Compliance and BSA agents for fintech

Hoppernew

AI infra and compute · 2 people

Fast inference for voice

Voice model serving and inference optimization

Huenew

Agent infrastructure · 2 people

Test agents in realistic worlds built from production usage

Agent testing and evaluation

Hundrednew

Robotics and physical world · 3 people

100% automated inspection for consumer electronics parts

Automated visual inspection for manufacturing

Ignition Benefitsnew

Fintech · 8 people

The AI-Native Benefits Brokerage

AI-native employee benefits and health insurance

Inflection Space Systemsnew

Defense and space

Hyperscaling space manufacturing

Space manufacturing at scale

Invertixnew

Vertical AI agents · 8 people

Energy Superintelligence, AI that operates critical infrastructure

AI operations for energy grids

isoquantnew

Developer tools · 2 people

Self-optimizing inference cloud for faster, cheaper AI

AI agent orchestration for developers

Kailash Labsnew

AI infra and compute · 2 people

A factory for small and specialized video reasoning models

Video model distillation and serving

Lambda Roboticsnew

Robotics and physical world · 6 people

Robotics for AI Infrastructure

Robots for AI infrastructure deployment

Lantern AInew

Vertical AI agents · 4 people

Turn Your Taste Into Hires

AI recruiting agent for hiring

Larknew

Vertical AI agents · 2 people

Lark - Specialized agents for wholesale distributors

Inventory and procurement agents for distributors

Lyonnew

Data for AI · 2 people

Foundation models on enterprise transaction data.

Foundation models on transaction data

Mantlenew

Robotics and physical world · 2 people

The pit crew for machines and robots.

Field service operations for deployed machines

Maritimenew

Agent infrastructure · 3 people

The managed cloud for AI agents.

Managed cloud platform for agents

Micoranew

Robotics and physical world · 4 people

Microgrids in a box built anywhere in days

Robotic solar deployment hardware

Mirrorsnew

Agent infrastructure · 2 people

Fix your AI agent's errors at runtime, so they never happen twice

AI agent regression testing

Modanew

B2B SaaS · 6 people

Fully editable slides, designs and video.

AI-enhanced design and video creation

Neomatternew

Vertical AI agents · 2 people

AI that works for in-house legal teams

AI legal intake and triage

Nodus Computenew

Agent infrastructure · 2 people

Intelligent Cloud for AI workloads

AI workload orchestration

Nxtcure Labsnew

Vertical AI agents

The full-stack AI CRO for drug discovery.

AI agents for clinical trials

Oasivenew

Fintech · 1 people

Helping bond investors find what's rich or cheap, and why

AI bond research and analytics automation

OnePatchnew

Vertical AI agents · 2 people

Automate on-call at agent-scale.

Autonomous incident resolution for SRE

OpenHacknew

Security and compliance · 1 people

Always-on AI security engineer

AI security scanning and pentesting

OpenSEOnew

B2B SaaS · 2 people

Open source alternative to Semrush and Ahrefs

Open-source SEO analytics platform

OpEranew

B2B SaaS · 2 people

Automated operations research (OR) lab

AI operations optimization

Orca Aerospacenew

Vertical AI agents · 3 people

AI spacecraft operators that lives onboard the vehicle

Autonomous satellite operation

ORO AInew

Agent infrastructure · 2 people

Continuously improving evals for agentic commerce

Agent evaluation and benchmark marketplace

Papayanew

Agent infrastructure · 3 people

Continuous optimization for AI agents

Agent performance optimization and monitoring

Pendulum Roboticsnew

Robotics and physical world · 2 people

Quick-turn, purpose-built motors & actuators for all

Purpose-built motors for drones and robots

Perit.AInew

Data for AI · 47 people

Expert-led data and RL platform for AI labs

Training data collection and annotation

Petrichor Bionew

Data for AI · 3 people

Wet labs for AI

synthetic data from physical signals

Quippynew

Consumer · 1 people

Helps build social skills through daily practice

AI social skills coaching

Commercial insurance for small businesses

SMB commercial insurance

Rhem Labsnew

Robotics and physical world · 2 people

Home care technology for aging parents and their families

Home care robotics platform

RightNownew

AI infra and compute · 2 people

Co-designing the fastest intelligence

GPU inference optimization and serverless deployment

Rivernew

Horizontal AI assistants · 2 people

The AI desktop.

AI desktop for knowledge workers

Romanew

Horizontal AI assistants · 3 people

Roma is the to-do list that does itself

AI task and productivity management

Rysticnew

unclassified · 2 people

API simulators for testing and training agents locally

Sentient OSnew

Horizontal AI assistants · 2 people

On-device AI that knows your entire life and does your work overnight.

On-device personal AI agent

Shepherd Roboticsnew

Robotics and physical world · 4 people

Robots for high skilled labor powering AI infrastructure

Robots for data center operations

Shire Intelligencenew

Vertical AI agents · 4 people

Shire uses CCTV to run restaurants in real time.

AI floor manager for restaurants

Sigmanew

Vertical AI agents · 2 people

Lakehouse-as-a-Service (LaaS)

AI for M&A operations

Silicanew

unclassified · 1 people

Actuators for Physical AI

Simanticnew

Agent infrastructure · 4 people

Firmware simulation for AI agents

Hardware simulation for AI agents

Simulithicnew

Developer tools · 2 people

User simulations for production monitoring.

AI-powered product simulation and testing

Sinternew

Robotics and physical world · 2 people

Accelerating scaled plastics with additive technologies

3D printing for specialty plastics

Sintropixnew

Vertical AI agents · 2 people

Autonomous accounting platform for global companies

Autonomous accounting for LATAM

Sona8new

Vertical AI agents · 5 people

Context layer for enterprise AI surveying employees with voice agents

Voice agent for process mapping

Spinenew

B2B SaaS

We run benefits, payroll & compliance for startups, for free

HR and benefits operations for startups

Streamline Systemsnew

Defense and space · 2 people

Precision navigation for UAVs operating without GPS.

GPS-independent drone navigation

SuperRadiantnew

Robotics and physical world · 3 people

Embodied Scientific Intelligence

Autonomous lab robotics for discovery

Talosnew

Climate and energy · 3 people

Predictive maintenance for power infrastructure.

Power grid predictive maintenance

Tersenew

Agent infrastructure · 2 people

Durable state for AI agents

State management for AI agents

The Agentic Data Co.new

Data for AI · 2 people

Training Data For Speech Models.

Audio datasets for speech models

The Company Companynew

Agent infrastructure · 1 people

The last agent your company will ever need.

Agent orchestration and company infrastructure

The Subvocal Companynew

Robotics and physical world · 3 people

Talk to your computer without talking

Silent speech wearables

Tilionnew

Agent infrastructure · 4 people

Super fast, unblockable browser infra for agents

Browser automation for agents

Tire Swing

Security and compliance · 2 people

AI Compliance for Affordable Housing

AI compliance for affordable housing

TrueMilenew

Vertical AI agents · 3 people

AI agents that run trucking operations.

Trucking operations agents

twentyfour26new

Robotics and physical world · 2 people

On Demand CNC Prototyping

Autonomous CNC machining for prototyping

UFO.ainew

Horizontal AI assistants · 2 people

Next-generation agent operating system

Agent OS for business operations

Veeza AInew

Vertical AI agents · 2 people

AI tourist visa agent for people with weak passports.

AI visa application assistant

Velthanew

Vertical AI agents · 2 people

AI native TPA starting with workers comp

AI claims adjuster for insurance

Vexonew

Consumer · 3 people

An AI bracelet that remembers your day and acts before you ask.

Wearable memory and action agent

Viraj Aeronew

Robotics and physical world

Next generation engines for aircraft and data centers

Next-generation aircraft and data center engines

Volaren Inc.new

Fintech · 4 people

Volaren collapses the hedge fund model and making it accessible to…

AI-powered investment research and execution

Voreliosnew

AI infra and compute · 2 people

A foundation model for engineering physics

Physics simulation acceleration

Vyranew

Vertical AI agents · 2 people

Autonomous video editing for non-editors.

Autonomous video editing agent

Workers IOnew

Developer tools · 2 people

Simulation Environments for Verifying Mission Critical Software

Release verification and simulation

daily directory sync · radar tracking since 2026-08-16 · "new" = not present in the February 2026 snapshot