Y Combinator companies

The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,197 companies.

CompanyClusterProgramStatusLast signal
CompresrAI

LLM context compression for better accuracy

Agent infrastructureLLM context compression APIY CombinatorW26Activechecked 2026-08-23
Condor EnergyAI

Software for enterprise energy procurement.

Climate and energyAI energy procurement optimizationY CombinatorW26Activechecked 2026-08-23
Confluence LabsAI

AI models that learn from experience

AI infra and computeAI models for data-sparse learningY CombinatorW26Activechecked 2026-08-23
CongruentAI

AI native radars for self-driving cars

Robotics and physical worldautonomous vehicle radar sensorsY CombinatorW26Activechecked 2026-08-23
Constellation SpaceAI

AI operating system for mega-scale satellite networks.

Defense and spacesatellite network orchestrationY CombinatorW26Activechecked 2026-08-23
CopperlaneAI

Agentic Mortgage Origination

Vertical AI agentsAI mortgage underwriting agentsY CombinatorW26Activechecked 2026-08-23
CorelayerAI

AI production engineer for regulated industries

Vertical AI agentsAI production engineering for regulated industriesY CombinatorW26Activechecked 2026-08-23
CorveraAI

The context layer for AI-native CPG brands

Agent infrastructureMCP data layer for brandsY CombinatorW26Activechecked 2026-08-23
Crosslayer Labs

Protect, monitor and defend your Internet presence

Security and complianceInternet infrastructure attack detectionY CombinatorW26Activechecked 2026-08-23
Crow

Crow — AI for Commercial Real Estate

OtherInsufficient product informationY CombinatorW26Active2026-08-23
Cumulus LabsAI

The Fastest Multimodal Inference OS

AI infra and computeMultimodal inference OS platformY CombinatorW26Activechecked 2026-08-23
DAIVIN!

Tankless Dive Gear - Breath Autonomy at Sea, Land & Space

Robotics and physical worldDiving and underwater hardwareY CombinatorW26Activechecked 2026-08-24
Didit

Infrastructure for identity and fraud.

Security and complianceKYC/KYB/AML infrastructureY CombinatorW26Activechecked 2026-08-23
Ditto BiosciencesAI

Evolutionary intelligence for autoimmune disease

Healthcare and bioAI-powered drug discovery for autoimmune diseasesY CombinatorW26Activechecked 2026-08-23
Docura HealthAI

AI-Native Med-Legal Firm

Vertical AI agentsAI-powered medical record review for workers compY CombinatorW26Activechecked 2026-08-23
DoomersionAI

Doomscroll to learn languages

Consumerlanguage learning via short-form videoY CombinatorW26Activechecked 2026-08-23
EigenPalAI

AI Document Workflows for Enterprises

Vertical AI agentsAI document processing for enterprisesY CombinatorW26Activechecked 2026-08-23
EmdashAI

Open-source Agentic Development Environment

Agent infrastructureagentic development environment and orchestrationY CombinatorW26Activechecked 2026-08-23
End CloseAI

AI powered reconciliation for high-volume payments companies

FintechAI reconciliation for paymentsY CombinatorW26Activechecked 2026-08-23
EnvariantAI

Interpretability and reasoning infra for foundation models.

Agent infrastructureAI model interpretability and reasoning infrastructureY CombinatorW26Activechecked 2026-08-23
Eos AIAI

Autonomous OS for healthcare

Vertical AI agentsClinical data intelligence for patient identificationY CombinatorW26Activechecked 2026-08-23
Fed10AI

AI Agents for Government Affairs

Vertical AI agentsAI legislative monitoring and consultingY CombinatorW26Activechecked 2026-08-23
Fenrock AIAI

AI agents for banks

Vertical AI agentsAI agents for banking operationsY CombinatorW26Activechecked 2026-08-23
FernAI

RL environments for robotics companies

Agent infrastructureRL simulation and policy optimization for roboticsY CombinatorW26Activechecked 2026-08-23
FixtureAI

An AI-first CRM built for Startups

Vertical AI agentsAI CRM for startupsY CombinatorW26Activechecked 2026-08-23
Foreman

Keeping contractors on the job site, not behind a desk.

B2B SaaSAI project management for constructionY CombinatorW26Activechecked 2026-08-23
Fort

Strength Tracking Wearable

Consumerstrength training wearableY CombinatorW26Activechecked 2026-08-23
Forum

The first exchange to trade on attention.

Fintechattention derivatives exchangeY CombinatorW26Activechecked 2026-08-23
FullSeamAI

AI agents for corporate accounting teams

Vertical AI agentsAI agents for corporate accountingY CombinatorW26Activechecked 2026-08-23
Galactic Resource Utilization Space, Inc. (GRU Space)

Moon Hotel -> The Intergalactic Construction Company of Earth

Defense and spacelunar infrastructure and constructionY CombinatorW26Activechecked 2026-08-23
General Astronautics

Robotics for Space R&D

Robotics and physical worldMicrogravity robotics for spaceY CombinatorW26Activechecked 2026-08-23
General LegalAI

Elite AI law firm for high growth companies

Vertical AI agentsAI-powered legal services for startupsY CombinatorW26Activechecked 2026-08-23
Grade

API for performance-based payroll

Fintechperformance-based payroll for AI agentsY CombinatorW26Activechecked 2026-08-23
HaladirAI

Operational Superintelligence for Global Logistics

Commerce and marketplacessupply chain optimization AIY CombinatorW26Activechecked 2026-08-23
Hlabs

US-Made Parts for Robots

Robotics and physical worldUS robotics hardware componentsY CombinatorW26Activechecked 2026-08-23
Human Archive

Physical AI data lab

Data for AIPhysical world datasets for roboticsY CombinatorW26Activechecked 2026-08-23
IncidentFoxAI

AI SRE agent that triages, coordinates, and fixes production incidents

Vertical AI agentsAI SRE agent for incident managementY CombinatorW26Activechecked 2026-08-23
Instinct

Trade your instinct

Fintechmobile trading app for cryptocurrencyY CombinatorW26Activechecked 2026-08-23
InventoryQuantAI

We automate the inventory process in insurance

Vertical AI agentsAI inventory automation for insuranceY CombinatorW26Activechecked 2026-08-23
Inviscid AIAI

Real-time Physics Simulations for Industrial Facilities & Data Centers

Robotics and physical worldbuilding operations optimizationY CombinatorW26Activechecked 2026-08-23
JinbaAI

Automate enterprise workflows through chat

Agent infrastructureWorkflow automation platform via natural languageY CombinatorW26Activechecked 2026-08-23
Khotan (formerly Pollinate)AI

FDE as a platform for rebuilding critical operations in software.

Vertical AI agentsAI procurement and supply chain agentsY CombinatorW26Activechecked 2026-08-23
KitaAI

Automate credit assessment for lenders in emerging markets

FintechAI-powered credit underwriting for emerging marketsY CombinatorW26Activechecked 2026-08-23
Klaus AIAI

Fast and Safe OpenClaw on the cloud

Agent infrastructureCloud-hosted agent deployment and managementY CombinatorW26Activechecked 2026-08-23
Kyten Technologies

Custom Aerospace-Grade Battery Packs

Robotics and physical worldaerospace-grade battery manufacturingY CombinatorW26Inactivechecked 2026-08-17
LanceAI

AI Agents That Run Hotel Operations.

Vertical AI agentsAI agents for hotel operationsY CombinatorW26Activechecked 2026-08-23
LaurenceAI

Quantitative research for autonomous e-commerce growth

B2B SaaSAI-powered ad optimization for e-commerceY CombinatorW26Activechecked 2026-08-23
LegalOSAI

The AI-Native Immigration Law Firm

Vertical AI agentsAI immigration law firmY CombinatorW26Activechecked 2026-08-23
LexiusAI

AI for Corporate Security Cameras

Security and complianceAI security camera intelligenceY CombinatorW26Activechecked 2026-08-23
LucentAI

AI that automatically improves products from user behavior

Vertical AI agentsAI product optimization from user behaviorY CombinatorW26Activechecked 2026-08-23
Luel

Turning everyday words and actions into usable training data.

Data for AItraining data sourcing and licensingY CombinatorW26Activechecked 2026-08-23
Mango MedicalAI

Foundation models for planning orthopedic surgery

Healthcare and bioAI surgical planning for orthopedicsY CombinatorW26Activechecked 2026-08-23
MantisAI

Digital Twins of humans

Data for AIsynthetic human behavior simulationY CombinatorW26Activechecked 2026-08-23
MartiniAI

AI Video Production for Professionals

Developer toolsAI video editing and productionY CombinatorW26Activechecked 2026-08-23
Maven

Payments Infrastructure for Voice Agents

Agent infrastructureVoice agent payments infrastructureY CombinatorW26Activechecked 2026-08-23
MaywoodAI

The first finance-compliant proactive AI that runs 24/7

B2B SaaSAI-powered sales intelligence for financeY CombinatorW26Activechecked 2026-08-23
MendralAI

AI DevOps Engineer

Vertical AI agentsAI DevOps and CI/CD automationY CombinatorW26Inactivechecked 2026-08-23
MenzaAI

The AI data analyst for consumer brands

Vertical AI agentsAI analyst for consumer brandsY CombinatorW26Activechecked 2026-08-23
Milliray

Technology to detect and track small drones

Defense and spacedrone detection radar systemsY CombinatorW26Activechecked 2026-08-23
MirabelleAI

Your robot chef

Robotics and physical worldPersonal robot chef for homesY CombinatorW26Activechecked 2026-08-23
MochaCareAI

Agentic Management Service for Care Organizations

Vertical AI agentsAI operations for care organizationsY CombinatorW26Activechecked 2026-08-23
ModaAI

The continual learning layer for AI agents.

Agent infrastructurecontinual learning and monitoring for AI agentsY CombinatorW26Activechecked 2026-08-23
MoritzAI

Global AI-native law firm handling legal work with same-day turnaround

Vertical AI agentsAI legal services for deal workY CombinatorW26Activechecked 2026-08-23
MouseCatAI

AI to fight financial crime

Security and complianceAI fraud detection and investigationY CombinatorW26Activechecked 2026-08-23
NdeaAI

Building AGI that can innovate.

AI infra and computefrontier AI systems and reasoningY CombinatorW26Activechecked 2026-08-23
o11

The AI Data Warehouse For Financial Firms

Data for AIAI data warehouse for financial servicesY CombinatorW26Activechecked 2026-08-23
OctaPulseAI

CV and robotics to automate quality inspection in fish farms

Robotics and physical worldComputer vision quality inspection for aquacultureY CombinatorW26Activechecked 2026-08-23
One RobotAI

World models for robot evals and training.

Robotics and physical worldsimulation and evals for robot trainingY CombinatorW26Activechecked 2026-08-23
Opalite HealthAI

Helping Healthcare Providers Speak Any Language

Healthcare and bioAI medical interpretation for providersY CombinatorW26Activechecked 2026-08-23
OpenSpec

Plan mode for complex features

Developer toolsspec-driven planning for AI coding agentsY CombinatorW26Activechecked 2026-08-23
Origami RoboticsAI

Manipulate Anything Robot

Robotics and physical worldgeneral-purpose robotic manipulationY CombinatorW26Activechecked 2026-08-23
Origin

AI and Data for Cancer Therapeutics

Data for AIPatient-derived cancer genomics dataY CombinatorW26Activechecked 2026-08-23
OrthogonalAI

Agentic Payments for APIs

Agent infrastructureagentic payment infrastructure for APIsY CombinatorW26Activechecked 2026-08-23
OssusAI

Intelligence for cultural institutions

Vertical AI agentsAI operating system for librariesY CombinatorW26Activechecked 2026-08-23
Overdrive HealthAI

AI-Native Medical Billing Services

Vertical AI agentsAI medical billing automationY CombinatorW26Activechecked 2026-08-23
Overshoot

AI Infra for real-time vision applications

AI infra and computeReal-time vision inference platformY CombinatorW26Activechecked 2026-08-23
OximyAI

Take command of the AI your company already runs on.

Agent infrastructureAI tool orchestration and cost managementY CombinatorW26Activechecked 2026-08-23
OxusAI

AI-powered automation for internal audit workflows

Vertical AI agentsAI automation for internal audit workflowsY CombinatorW26Activechecked 2026-08-23
Palus Finance

Your startup's financial advisor

B2B SaaSFinancial advisory for startupsY CombinatorW26Activechecked 2026-08-23
PantaAI

AI Native Commercial Insurance Brokerage

Vertical AI agentsAI insurance brokerage automationY CombinatorW26Activechecked 2026-08-23
ParameterAI

Agentic Offensive Security at Scale

Security and complianceAI agents for penetration testingY CombinatorW26Activechecked 2026-08-23
Patientdesk.aiAI

AI front & back office agent for dental practices

Vertical AI agentsAI booking and payment agent for dental practicesY CombinatorW26Activechecked 2026-08-23
Pax HistoriaAI

The first AI-powered grand strategy platform

ConsumerAI-powered strategy gamingY CombinatorW26Activechecked 2026-08-23
PaynaAI

AI Licensing Agent for Regulated Industries

Vertical AI agentsAI licensing agent for regulated industriesY CombinatorW26Activechecked 2026-08-23
PerfectlyAI

The AI-native Recruiting OS

Vertical AI agentsAI recruiting automation platformY CombinatorW26Activechecked 2026-08-23
Piris Labs

The Networking Layer of AI

AI infra and computephotonic networking for AI computeY CombinatorW26Activechecked 2026-08-23
PocketAI

Take Notes in the Real World

ConsumerAI voice recorder hardwareY CombinatorW26Activechecked 2026-08-23
PollenAI

AI agents that automate customer success

Vertical AI agentsAI agents for customer success automationY CombinatorW26Activechecked 2026-08-23
PolymathAI

Simulation environments to train & evaluate long-horizon AI agents

Agent infrastructureSimulation environments for agent trainingY CombinatorW26Activechecked 2026-08-23
Polymorph

Building secure polymorphic apps

AI infra and computePolymorphic application securityY CombinatorW26Activechecked 2026-08-23
PranaAI

An AI primary care doctor in your pocket

Healthcare and bioAI-powered primary care deliveryY CombinatorW26Activechecked 2026-08-23
ProtentAI

Real time intelligence for law enforcement & security teams.

Security and complianceReal-time threat detection for law enforcementY CombinatorW26Activechecked 2026-08-23
ProximittyAI

AI operating system for commercial loans

Vertical AI agentsAI agents for commercial lending operationsY CombinatorW26Activechecked 2026-08-23
Q2QAI

We help private equity teams find acquisition targets faster

Vertical AI agentsAI deal sourcing for private equityY CombinatorW26Inactivechecked 2026-08-23
RamAInAI

Automate any UI task with natural language

Agent infrastructureUI automation and RPA orchestrationY CombinatorW26Activechecked 2026-08-23
ReframeAI

AI-native, hardware procurement marketplace

Commerce and marketplacesAI hardware procurement marketplaceY CombinatorW26Activechecked 2026-08-23
RemixAI

Social media content auto-generated with your existing data

ConsumerAI-powered content creation for social mediaY CombinatorW26Activechecked 2026-08-23
Remy AIAI

Automating dexterous tasks in warehouses with AI-powered robots

Robotics and physical worldAI-powered warehouse manipulation robotsY CombinatorW26Activechecked 2026-08-23
Ressl AIAI

Train, eval and build autonomous agents

Agent infrastructureAgent training and evaluation platformY CombinatorW26Activechecked 2026-08-23
REV1AI

Claude Code for Mechanical Engineers

Vertical AI agentsAI agent for mechanical engineering designY CombinatorW26Activechecked 2026-08-23