Y Combinator companies
The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,201 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Mica AIAI Replace the humans fixing bad data | Vertical AI agentsAI data ops and pipeline repair | Y CombinatorS24 | Active | checked 2026-08-23 |
| MidshipAI AI for SOX testing | Vertical AI agentsAI audit agents for SOX compliance | Y CombinatorS24 | Acquired | 2026-08-23 |
| MineflowAI Mineflow predicts the shape and location of mineral deposits | Robotics and physical worldAI mineral exploration prediction | Y CombinatorS24 | Active | checked 2026-08-23 |
| MinusXAI Open source agentic BI for founders | Vertical AI agentsAI agents for business analytics | Y CombinatorS24 | Active | checked 2026-08-23 |
| Miru Config Management for Robotics | Robotics and physical worldRobot configuration management infrastructure | Y CombinatorS24 | Active | checked 2026-08-23 |
| Mito Health At-cost lab testing marketplace that profits when you test less | ConsumerAI-powered lab testing marketplace | Y CombinatorS24 | Active | checked 2026-08-23 |
| ModusAI Unlock revenue per employee with AI-powered headcount management | B2B SaaSAI-powered workforce optimization | Y CombinatorS24 | Active | checked 2026-08-23 |
| Moreta Payments made easy for international travelers. | FintechCross-border payments for travelers | Y CombinatorS24 | Active | checked 2026-08-23 |
| NetworkOcean We build and operate underwater data centers. | Climate and energyunderwater data center infrastructure | Y CombinatorS24 | Active | checked 2026-08-23 |
| No LogoAI Turn ideas into physical products | Commerce and marketplacesAI-powered product manufacturing orchestration | Y CombinatorS24 | Active | checked 2026-08-23 |
| OdoAI Your email assistant because you deserve a better morning | Horizontal AI assistantsAI email assistant for productivity | Y CombinatorS24 | Active | checked 2026-08-23 |
| OffstreamAI Vanta for carbon compliance | Climate and energycarbon compliance automation | Y CombinatorS24 | Active | checked 2026-08-23 |
| omnidock OS for global e-commerce expansion of brands & manufacturers | Commerce and marketplacesmulti-marketplace expansion platform | Y CombinatorS24 | Active | checked 2026-08-23 |
| Ontra Mobility Platform for cities to optimize transit | Climate and energytransit optimization software | Y CombinatorS24 | Active | checked 2026-08-23 |
| OpslaneAI Verify AI-generated code before you ship it | Developer toolsAI code verification and testing | Y CombinatorS24 | Active | checked 2026-08-23 |
| Orca Client Orca lets you build, discover, and play Minecraft games with friends. | ConsumerMinecraft game launcher platform | Y CombinatorS24 | Active | checked 2026-08-23 |
| OrgOrg Organizational productivity suite for companies | B2B SaaSTeam productivity and organization tools | Y CombinatorS24 | Active | checked 2026-08-23 |
| OuterportAI EDA for Industrial Control Systems | Vertical AI agentsAI agents for manufacturing design and simulation | Y CombinatorS24 | Active | checked 2026-08-23 |
| OvereasyAI | Vertical AI agentsAI agent for hospitality operations | Y CombinatorS24 | Site unreachable | checked 2026-08-17 |
| OverlapAI Multimodal AI agents for video | Vertical AI agentsAI agents for video content creation | Y CombinatorS24 | Active | checked 2026-08-23 |
| Oway Turning America’s supply chain inefficiency into infrastructure. | Commerce and marketplacessupply chain optimization infrastructure | Y CombinatorS24 | Active | checked 2026-08-23 |
| Paasa Invest in Global Equities from India | FintechGlobal equity investment for Indian HNWs | Y CombinatorS24 | Active | checked 2026-08-23 |
| PalmierAI Video editor built for AI | Developer toolsAI-powered video editing for creators | Y CombinatorS24 | Active | checked 2026-08-23 |
| PanoraAI Turning messy inboxes into ERP-Ready Data | Commerce and marketplacesAI-powered PO data automation | Y CombinatorS24 | Active | checked 2026-08-23 |
| pap!AI Agents that earn consumers dollars when they shop, travel, and live. | ConsumerAI-powered cashback and refund claims | Y CombinatorS24 | Active | checked 2026-08-23 |
| ParahelpAI Build an AI support agent that securely uses all your tools | Vertical AI agentsAI support agent for customer service | Y CombinatorS24 | Active | checked 2026-08-23 |
| ParleyAI Automating flat-fee legal work, starting with work visas + green cards | Vertical AI agentsAI legal automation for immigration | Y CombinatorS24 | Active | checked 2026-08-23 |
| PatchedAI Reliable AI for Regulated Ops | Vertical AI agentsRegulated operations automation | Y CombinatorS24 | Active | checked 2026-08-23 |
| PathPilotAI AI Agents for Lending Operations | Vertical AI agentsAI agents for lending operations | Y CombinatorS24 | Active | checked 2026-08-23 |
| PaxAI AI Broker for Tariff Refunds | Commerce and marketplacesAI tariff refund recovery | Y CombinatorS24 | Active | checked 2026-08-17 |
| PharosAI Helping hospitals identify and prevent avoidable harm using AI | Vertical AI agentsAI-powered hospital quality reporting and harm prevention | Y CombinatorS24 | Active | checked 2026-08-23 |
| PhonelyAI AI call centers | Vertical AI agentsAI call center agents | Y CombinatorS24 | Active | checked 2026-08-23 |
| Pinnacle API & SDK for RCS (the next-generation of texting) | Developer toolsRCS messaging API for developers | Y CombinatorS24 | Active | checked 2026-08-23 |
| PipeshiftAI Ultra-low latency inference cloud for real-time workloads | AI infra and computelow-latency inference serving platform | Y CombinatorS24 | Active | checked 2026-08-23 |
| Planbase AI workforce management for healthcare | B2B SaaSHealthcare workforce management | Y CombinatorS24 | Active | checked 2026-08-23 |
| PlumeAI Renewable infrastructure deployment at scale. | Climate and energyAI site selection for renewable infrastructure | Y CombinatorS24 | Active | checked 2026-08-23 |
| Poka LabsAI Helping industrial manufacturers win deals fast, at the right price. | Vertical AI agentsAI sales agents for chemical manufacturers | Y CombinatorS24 | Active | checked 2026-08-23 |
| PolymetAI AI Product Designer | Developer toolsAI design and UI code generation | Y CombinatorS24 | Active | checked 2026-08-23 |
| PraxosAI Team messaging with built-in memory | Agent infrastructuremessaging platform for AI agents | Y CombinatorS24 | Active | checked 2026-08-23 |
| PreAI The AI accountability agent for startup founders | Horizontal AI assistantsAI accountability assistant for founders | Y CombinatorS24 | Inactive | checked 2026-08-17 |
| Presti AIAI Helping furniture companies create product visuals with AI | Vertical AI agentsAI product photography for furniture | Y CombinatorS24 | Active | checked 2026-08-23 |
| ProhostAIAI AI Property Manager for Airbnb & Short-Term Rental Hosts | Vertical AI agentsAI property manager for short-term rentals | Y CombinatorS24 | Active | checked 2026-08-23 |
| PromiAI Providing quick product and design feedback via digital twins | Developer toolsAI-powered product feedback and research | Y CombinatorS24 | Active | checked 2026-08-23 |
| PropayaAI Propaya - Lease Review in Minutes | B2B SaaSCommercial real estate document intelligence | Y CombinatorS24 | Active | checked 2026-08-23 |
| ProxisAI The platform for enterprise AI agent automations, starting with email. | Vertical AI agentsAI email agents for enterprise sales | Y CombinatorS24 | Active | checked 2026-08-23 |
| PulseAI Production-grade unstructured document extraction | Data for AIunstructured document extraction | Y CombinatorS24 | Active | checked 2026-08-23 |
| QuetzalAI Simple, LLM-first translation and internationalization for software | Developer toolsLLM-powered translation and i18n for software | Y CombinatorS24 | Active | checked 2026-08-23 |
| Random LabsAI Random labs is building long running autonomous coding agents. | Horizontal AI assistantslong-running coding agents | Y CombinatorS24 | Active | checked 2026-08-23 |
| RastroAI The fastest way to launch product catalogs. | Commerce and marketplacescatalog automation for distributors | Y CombinatorS24 | Active | checked 2026-08-23 |
| ReactWiseAI AI Co-Pilot for Chemical Process Optimization | Vertical AI agentsChemical process optimization for pharma | Y CombinatorS24 | Active | checked 2026-08-23 |
| Redouble AIAI Java-native multi-agentic AI operating system for enterprise | Agent infrastructureJava enterprise agentic OS | Y CombinatorS24 | Active | checked 2026-08-23 |
| RefactorAI Deploying secure and reliable AI agents across healthcare, retail,… | Vertical AI agentsAI agents for legacy system automation | Y CombinatorS24 | Active | checked 2026-08-23 |
| RemadeAI AI-native canvas for creative workflows. | Horizontal AI assistantsAI creative canvas for content | Y CombinatorS24 | Acquired | checked 2026-08-23 |
| RentFlowAI The AI infrastructure for cash-flow-aligned business rent | Fintechcash-flow-aligned business rent payments | Y CombinatorS24 | Active, new domain | 2026-08-23 |
| RescriptAI AI for Legal & Public Policy Teams | Vertical AI agentsAI regulation compliance for enterprises | Y CombinatorS24 | Active | checked 2026-08-23 |
| RetroFixAI Automate any workflow using plain english | Agent infrastructureWorkflow automation platform with AI | Y CombinatorS24 | Active | checked 2026-08-23 |
| Rewbi A stealth mode startup. | Climate and energyrenewable energy infrastructure | Y CombinatorS24 | Active | checked 2026-08-28 |
| RiskAngleAI AI medical summaries in minutes | Vertical AI agentsAI medical record summarization for insurance | Y CombinatorS24 | Inactive | checked 2026-08-23 |
| RogerAI Roger is an AI SDR that automates outbound sales and follows up 24/7. | Vertical AI agentsAI sales development representative | Y CombinatorS24 | Active | checked 2026-08-23 |
| Rowboat LabsAI Open-source AI coworker with memory | Horizontal AI assistantsAI productivity coworker with memory | Y CombinatorS24 | Active | checked 2026-08-23 |
| RunLocal AIAI AI agent that optimizes inference for embedded compute like Jetson | Agent infrastructureAI optimization for embedded inference | Y CombinatorS24 | Active | checked 2026-08-23 |
| Sage CareAI Automating home care agency operations with AI | Vertical AI agentsAI automation for home care agencies | Y CombinatorS24 | Active | checked 2026-08-23 |
| SaldorAI Making procurement easy | Commerce and marketplacesAI procurement and AP automation | Y CombinatorS24 | Active | checked 2026-08-23 |
| Saphira AI The Enablement Layer for Physical AI | Robotics and physical worldAI safety certification for hardware | Y CombinatorS24 | Active | checked 2026-08-23 |
| SaturnAI Compliance and back office workflows for Wealth Managers. | FintechAI compliance and operations for wealth managers | Y CombinatorS24 | Active | checked 2026-08-23 |
| ScapeAI The intelligent inbox that works for you | Horizontal AI assistantsEmail inbox automation and drafting | Y CombinatorS24 | Active | checked 2026-08-23 |
| SchemeFlowAI AI Report Generation for Engineering & Environmental Review | Vertical AI agentsAI report generation for construction | Y CombinatorS24 | Active | checked 2026-08-23 |
| Seals AIAI AI Employees for Wholesalers & Distributors | Vertical AI agentsAI order and fulfillment automation for wholesalers | Y CombinatorS24 | Active | checked 2026-08-23 |
| Sensei Robotic Training Data at Scale | Data for AIrobotic training data collection | Y CombinatorS24 | Active | checked 2026-08-23 |
| Sepal AIAI Data Development for Advanced AI | Data for AIAI evaluation and training data generation | Y CombinatorS24 | Acquired | checked 2026-08-17 |
| SharpeAI Agents for quantitative research and financial data science. | Vertical AI agentsAI agents for quantitative trading research | Y CombinatorS24 | Active | checked 2026-08-23 |
| SilurianAI Foundation models to simulate Earth, starting with weather. | AI infra and computeEarth simulation foundation models | Y CombinatorS24 | Active | checked 2026-08-23 |
| SimCareAI AI avatars to scale healthcare training. | Healthcare and bioAI clinical skills training platform | Y CombinatorS24 | Active | checked 2026-08-23 |
| Simple AIAI AI voice that sells | Vertical AI agentsAI sales voice agents for B2B | Y CombinatorS24 | Active | checked 2026-08-23 |
| SimplexAI AI agents to enroll providers with payors | Vertical AI agentsAI provider enrollment automation for healthcare payors | Y CombinatorS24 | Active | checked 2026-08-28 |
| SoffAI AI Agents for Distributors | Vertical AI agentsAI sales agents for distributors | Y CombinatorS24 | Inactive | checked 2026-08-17 |
| Sonatoria Helping Startups Grow Organically | B2B SaaSstartup growth consulting platform | Y CombinatorS24 | Active | checked 2026-08-23 |
| Sorcerer Building a nervous system for the atmosphere | Climate and energyatmospheric sensor network for weather | Y CombinatorS24 | Active | checked 2026-08-23 |
| Spaceium Inc In-Space Refueling | Robotics and physical worldautonomous in-space refueling infrastructure | Y CombinatorS24 | Active10 open roles | checked 2026-08-24 |
| SpherecastAI AI Supply Chain Manager for CPG | Vertical AI agentsAI supply chain optimization for CPG | Y CombinatorS24 | Active | checked 2026-08-23 |
| SpurAI Spur is your AI QA Engineer. Test your websites with natural language. | Developer toolsAI-powered QA testing automation | Y CombinatorS24 | Active | checked 2026-08-23 |
| Starcloud Data centers in space | AI infra and computeSpace-based GPU compute infrastructure | Y CombinatorS24 | Active | checked 2026-08-23 |
| StardriftAI AI travel planner | ConsumerAI-powered travel planning and booking | Y CombinatorS24 | Active | checked 2026-08-23 |
| Stempad Notion for science | B2B SaaSCollaborative note-taking for scientists | Y CombinatorS24 | Active | checked 2026-08-23 |
| Storia AIAI Open source AI copilot that knows your company's code and its context | Developer toolsAI copilot for code understanding and architecture | Y CombinatorS24 | Active | 2026-08-23 |
| SubstrateAI Artificial Intelligence for your medical billing team | Vertical AI agentsAI medical billing automation | Y CombinatorS24 | Active, new domain | 2026-08-23 |
| SuperunitAI Faster, more profitable background checks with AI | Vertical AI agentsAI employment verification agents | Y CombinatorS24 | Active | checked 2026-08-23 |
| SureBright Apple Care-like warranty program for every retailer | Commerce and marketplaceswarranty and insurance for e-commerce | Y CombinatorS24 | Active | checked 2026-08-23 |
| Synnax Unified Hardware Control and Data Processing Software | Robotics and physical worldindustrial hardware control and monitoring | Y CombinatorS24 | Active | checked 2026-08-24 |
| SyntraAI Faster healthcare payments | Vertical AI agentsMedical billing and compliance audit agents | Y CombinatorS24 | Active | checked 2026-08-23 |
| TabulaAI Autonomous Accounting Software | Vertical AI agentsAutonomous accounting and bookkeeping | Y CombinatorS24 | Active | checked 2026-08-23 |
| TandemAI AI-native office leasing broker | Commerce and marketplacesAI office leasing marketplace | Y CombinatorS24 | Active | checked 2026-08-23 |
| TaxGPTAI AI tax assistant for professionals and businesses | Vertical AI agentsAI tax assistant for accounting firms | Y CombinatorS24 | Active | checked 2026-08-23 |
| The Forecasting CompanyAI Foundation models for time series | AI infra and computeFoundation models for time series | Y CombinatorS24 | Active | checked 2026-08-23 |
| The Synthesis CompanyAI 100x faster scientific evidence synthesis | Data for AIscientific evidence synthesis and research | Y CombinatorS24 | Active | checked 2026-08-23 |
| Theseus GPS Denied Navigation for Drones | Defense and spaceGPS-denied drone navigation | Y CombinatorS24 | Active | checked 2026-08-23 |
| Thunder Compute VMware for GPUs | AI infra and computeGPU virtualization and optimization | Y CombinatorS24 | Active | checked 2026-08-23 |
| Thyme The OS for financial advisors | B2B SaaSCRM and client management for financial advisors | Y CombinatorS24 | Acquired | checked 2026-08-23 |
| TivaraAI The AI workforce for medical groups | Vertical AI agentsAI workforce for medical administration | Y CombinatorS24 | Active | checked 2026-08-23 |
| TradeFlowAI AI-powered settlement for financial securities | FintechAI settlement automation for securities | Y CombinatorS24 | Active | checked 2026-08-23 |