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.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| RobbyAI AI agents that grow revenue for home services businesses | Vertical AI agentsAI revenue growth for home services | Y CombinatorW26 | Active | checked 2026-08-23 |
| RoboDock Robots that run autonomous depots for autonomous fleets. | Robotics and physical worldautonomous depot automation for EV fleets | Y CombinatorW26 | Active | checked 2026-08-23 |
| Rubric AIAI Reasoning and verification infra for AI | Agent infrastructurereasoning and verification infrastructure | Y CombinatorW26 | Active | - |
| Ruma Care The operations stack for biologic infusion clinics | Healthcare and bioinfusion clinic operations automation | Y CombinatorW26 | Active | checked 2026-08-23 |
| RunAnywhereAI The default way of running on-device AI at Scale | Agent infrastructureEdge AI model deployment and management | Y CombinatorW26 | Active | checked 2026-08-23 |
| SalusAI Guardrails to validate your agent's actions before they execute | Agent infrastructureAgent action validation and guardrails | Y CombinatorW26 | Active | checked 2026-08-23 |
| Samora AIAI Multilingual voice agents that outperform humans | Vertical AI agentsMultilingual voice agents for customer operations | Y CombinatorW26 | Active | checked 2026-08-23 |
| Scheduling WizardAI Logistics infrastructure to modernize healthcare operations | Vertical AI agentsAI scheduling and logistics for hospitals | Y CombinatorW26 | Active | checked 2026-08-23 |
| Seeing SystemsAI Modular AI-Commanded Drones for Defence | Defense and spaceAI-commanded autonomous strike drones | Y CombinatorW26 | Active | checked 2026-08-23 |
| SentrialAI Datadog for Agent Reliability | Agent infrastructureAI agent monitoring and debugging | Y CombinatorW26 | Active | checked 2026-08-23 |
| Sequence Markets Low-latency execution across crypto, prediction, and tokenized assets | Fintechlow-latency crypto execution platform | Y CombinatorW26 | Active | checked 2026-08-23 |
| Servo7 Container unloading robots for warehouses | Robotics and physical worldContainer unloading robots for logistics | Y CombinatorW26 | Active | checked 2026-08-23 |
| ShofoAI The World's Largest Video Library | Data for AIvideo dataset curation and labeling | Y CombinatorW26 | Active | checked 2026-08-23 |
| shortkit Media infra for consumer apps | Developer toolsmedia infrastructure for consumer apps | Y CombinatorW26 | Active | checked 2026-08-23 |
| Signals iMessage revenue channel for DTC brands that brings customers back | Commerce and marketplacesDTC marketing and retention channel | Y CombinatorW26 | Active | checked 2026-08-23 |
| SilaAI Agent-Native Messaging Platform | Agent infrastructureAgent communication and messaging platform | Y CombinatorW26 | Active | checked 2026-08-23 |
| Sitefire Marketing suite for the agentic web | B2B SaaSAI agent discovery and marketing optimization | Y CombinatorW26 | Active | checked 2026-08-23 |
| SkillsyncAI Move context across agents and teammates | Agent infrastructureAgent session management and knowledge sharing | Y CombinatorW26 | Active | checked 2026-08-23 |
| SparklesAI Make everyone on your team an engineer | Developer toolsno-code engineering for non-technical teams | Y CombinatorW26 | Active | checked 2026-08-23 |
| SpongeAI Financial infrastructure for the agent economy | Agent infrastructureagent payments and banking | Y CombinatorW26 | Active | checked 2026-08-23 |
| SpotPay Stablecoin Global Bank Account | Fintechstablecoin neobank platform | Y CombinatorW26 | Active | checked 2026-08-23 |
| SquidAI AI agents for power grid planning 🦑 | Vertical AI agentsAI agents for power grid planning | Y CombinatorW26 | Active | checked 2026-08-23 |
| StiltaAI Agentic AI for intellectual property | Vertical AI agentsAgentic IP litigation analysis | Y CombinatorW26 | Active | checked 2026-08-23 |
| Strand AIAI Multimodal foundation models to predict uncollected patient biology | Healthcare and bioAI-generated patient biodata for drug trials | Y CombinatorW26 | Active | checked 2026-08-23 |
| SupafaxAI AI assistant for your email and calendar | Horizontal AI assistantsAI email and calendar management | Y CombinatorW26 | Active | checked 2026-08-23 |
| Synthetic SciencesAI Infrastructure for Autonomous Science | AI infra and computeRL training for scientific agents | Y CombinatorW26 | Active | checked 2026-08-23 |
| SyntropyAI The agentic coding app for complex tasks. | Developer toolsautonomous code generation and testing | Y CombinatorW26 | Active | checked 2026-08-23 |
| Talking ComputersAI AI for AI Infrastructure | Agent infrastructureAI infrastructure optimization agents | Y CombinatorW26 | Active | checked 2026-08-23 |
| TepaliAI AI operating system for modern medspas | Vertical AI agentsAI operating system for medspas | Y CombinatorW26 | Active | checked 2026-08-23 |
| Terminal Use Digital twins for data center construction | Robotics and physical worlddata center construction digital twins | Y CombinatorW26 | Active | checked 2026-08-23 |
| Terranox AIAI The first AI-powered uranium discovery company | Climate and energyAI-powered uranium exploration | Y CombinatorW26 | Active | checked 2026-08-23 |
| The Token CompanyAI Compression middleware that improves LLM outputs | Agent infrastructureLLM context compression middleware | Y CombinatorW26 | Active | checked 2026-08-23 |
| TraverseAI Research lab solving non-verifiable work | Agent infrastructureNon-verifiable work automation | Y CombinatorW26 | Active | checked 2026-08-23 |
| Travo The brokerage that never sleeps | Data for AIreal estate property data infrastructure | Y CombinatorW26 | Active | checked 2026-08-23 |
| Unifold Multi-chain deposit and payment infrastructure | Fintechcrypto payment infrastructure | Y CombinatorW26 | Active | checked 2026-08-23 |
| UnissonAI AI agents that automate B2B software implementation | Vertical AI agentsAI agents for B2B software implementation | Y CombinatorW26 | Active | checked 2026-08-23 |
| Valence Unified prediction markets trading platform | Fintechprediction market trading infrastructure | Y CombinatorW26 | Active | checked 2026-08-23 |
| ValgoAI Insurance risk layer for physical AI | Robotics and physical worldInsurance risk quantification for autonomous systems | Y CombinatorW26 | Active | checked 2026-08-23 |
| Vector LegalAI A premier AI-native law firm & legal operating system for Startups. | Vertical AI agentsAI legal services for startups | Y CombinatorW26 | Active | checked 2026-08-23 |
| VelaAI AI Recruiting Coordinator for Executive Search | Vertical AI agentsAI scheduling coordinator for recruiting | Y CombinatorW26 | Active | checked 2026-08-24 |
| Velum LabsAI The OS for data quality across any stack | Data for AIautomated data quality monitoring | Y CombinatorW26 | Active | checked 2026-08-23 |
| VenturaAI AI Workforce for Distributors and Manufacturers | Vertical AI agentsAI quoting and order entry for manufacturers | Y CombinatorW26 | Active | checked 2026-08-23 |
| VerdexAI AI Verification for Insurance | Vertical AI agentsAI insurance claims adjuster | Y CombinatorW26 | Active | checked 2026-08-23 |
| Visibl Semiconductors A faster, lower cost path to custom silicon | AI infra and computecustom silicon design automation | Y CombinatorW26 | Active | checked 2026-08-23 |
| VoltairAI Autonomous Drones for Earth Observation | Robotics and physical worldAutonomous drones for infrastructure inspection | Y CombinatorW26 | Active | checked 2026-08-23 |
| Voxel Energy Energy independent data centers with solar and repurposed batteries. | Climate and energyrenewable energy for data centers | Y CombinatorW26 | Active | checked 2026-08-23 |
| VOYGRAI Real-world place intelligence for AI apps and agents | Agent infrastructureplace intelligence API for AI agents | Y CombinatorW26 | Active | checked 2026-08-23 |
| WaycoAI AI operator for medlegal cases | Vertical AI agentsAI operator for medical-legal cases | Y CombinatorW26 | Active | checked 2026-08-23 |
| WideframeAI AI coworker for video editors to ship more video faster | Vertical AI agentsAI-powered video footage organization and sequencing | Y CombinatorW26 | Active | checked 2026-08-23 |
| Zatanna Turning all software into agent-first APIs | Agent infrastructureReverse-engineered APIs for legacy software | Y CombinatorW26 | Active | checked 2026-08-23 |
| ZeroSettle Drop-in Direct Billing SDK for In-App Purchases | FintechDirect billing SDK for mobile apps | Y CombinatorW26 | Active | checked 2026-08-23 |
| ZymblyAI The decision-support layer for aviation ops teams to know what to do… | B2B SaaSAI decision-support for aviation ops | Y CombinatorW26 | Active | checked 2026-08-23 |