Y Combinator companies
The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,198 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Fuse AIAI #1 AI Platform for Outbound Sales | Vertical AI agentsAI-driven outbound sales platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| G LNKAI Simplifying Collaboration for Healthcare Organizations & Professionals | B2B SaaSAI-powered healthcare professional matching | Y CombinatorW25 | Active | checked 2026-08-23 |
| Gale Fast and Data-Driven Immigration Platform | B2B SaaSImmigration compliance and visa management | Y CombinatorW25 | Active | checked 2026-08-23 |
| General TrajectoryAI AI for the physical world | Robotics and physical worldAI for autonomous robotics and manufacturing | Y CombinatorW25 | Active | checked 2026-08-23 |
| HarberaAI AI Healthcare Provider Credentialing Software | Vertical AI agentsAI healthcare credentialing automation | Y CombinatorW25 | Active | checked 2026-08-23 |
| HarperAI AI-native commercial insurance brokerage | Vertical AI agentsAI autonomous commercial insurance brokerage | Y CombinatorW25 | Active | checked 2026-08-23 |
| HealthKeyAI AI-powered Patient Identification for Clinical Trials | Vertical AI agentsAI patient matching for clinical trials | Y CombinatorW25 | Active | checked 2026-08-23 |
| Hey TeloAI Voice AI for Home Services | Vertical AI agentsVoice AI for home services | Y CombinatorW25 | Active | checked 2026-08-23 |
| HUDAI Platform for building RL environments and evals | Data for AIReinforcement learning environment and dataset platform | Y CombinatorW25 | Active | checked 2026-08-17 |
| Infinite Global B2B Stablecoin Processor | Fintechstablecoin payment infrastructure | Y CombinatorW25 | Active | checked 2026-08-23 |
| Instinct Space Building lunar landers | Defense and spacelunar lander hardware | Y CombinatorW25 | Active | checked 2026-08-23 |
| Inversion Semiconductor Manufacturing the most powerful chips, 15x faster | AI infra and computesemiconductor manufacturing equipment | Y CombinatorW25 | Active | checked 2026-08-23 |
| InvoAI infra for computer use agents | Agent infrastructurecomputer use agent infrastructure | Y CombinatorW25 | Active | checked 2026-08-23 |
| KarooAI AI native consumer lending platform for underserved Americans | FintechAI-powered consumer lending for underserved borrowers | Y CombinatorW25 | Active | checked 2026-08-23 |
| Karsa Stablecoin neobank for emerging markets | Fintechstablecoin neobank for emerging markets | Y CombinatorW25 | Active | checked 2026-08-24 |
| Leaping AIAI AI voice and texting agents | Vertical AI agentsAI voice agents for customer service | Y CombinatorW25 | Active | checked 2026-08-23 |
| Liquid Compute Pending CFTC regulation to be the first cash and physically settled… | Fintechcompute derivatives exchange | Y CombinatorW25 | Active | checked 2026-08-23 |
| LopusAI Headless Data Team | Data for AIsemantic layer for trusted AI analytics | Y CombinatorW25 | Active | checked 2026-08-23 |
| LucidAI interactive video models | Consumerinteractive video model games | Y CombinatorW25 | Active | checked 2026-08-23 |
| Lucidic AIAI Reimagining how Machines Learn | Agent infrastructureAI agent learning and personalization system | Y CombinatorW25 | Active | checked 2026-08-23 |
| MacadamiaAI AI Agents for Complex Engineering Projects | Vertical AI agentsAI agents for engineering projects | Y CombinatorW25 | Active | checked 2026-08-23 |
| MaiveAI AI for Home Services | Vertical AI agentsAI automation for home service contractors | Y CombinatorW25 | Active | checked 2026-08-23 |
| Maritime Fusion Fusion reactors for ships | Climate and energyfusion reactors for maritime and off-grid | Y CombinatorW25 | Active | checked 2026-08-23 |
| MastraAI The Javascript framework for building AI agents, from the Gatsby devs | Agent infrastructureAI agent framework and orchestration | Y CombinatorW25 | Active | checked 2026-08-23 |
| Mecha HealthAI Foundation models to automate x-ray analysis for radiologists | Healthcare and bioAI-powered radiology reporting | Y CombinatorW25 | Active | checked 2026-08-23 |
| Mentra Building the open source smart glasses operating system. | Consumeropen source smart glasses OS | Y CombinatorW25 | Active, new domain | 2026-08-23 |
| MercuraAI AI Quote and Order Automation for Distributors & Manufacturers | B2B SaaSSales automation for distributors | Y CombinatorW25 | Active | checked 2026-08-23 |
| MeshAI Eliminating accrual spreadsheets for faster month-end | B2B SaaSAI-powered accruals automation for finance | Y CombinatorW25 | Active | checked 2026-08-23 |
| Misprint Misprint is building Robinhood for Pokemon cards | Consumercollectibles marketplace with pricing analytics | Y CombinatorW25 | Active | checked 2026-08-23 |
| Miyagi LabsAI AI tutors for exam prep | Vertical AI agentsAI tutoring for standardized exams | Y CombinatorW25 | Active | checked 2026-08-23 |
| MosaicAI Frontier Video Agents | Vertical AI agentsVideo content generation and editing agents | Y CombinatorW25 | Active | checked 2026-08-23 |
| Mundo AI High Quality Multilingual Training Data for AI Models | Data for AImultilingual training data collection | Y CombinatorW25 | Active | checked 2026-08-23 |
| NitrodeAI Frontier AI research to advance game development | Developer toolsAI evaluation frameworks for game dev | Y CombinatorW25 | Active | checked 2026-08-23 |
| OkiAI The digital home for your personal memories | Consumerpersonal memory and AI recall | Y CombinatorW25 | Active | checked 2026-08-23 |
| OliveAI Curated stories, every day | Vertical AI agentsAI recruiting and talent sourcing | Y CombinatorW25 | Active | checked 2026-08-23 |
| OnlookAI Cursor for Designers | Developer toolsAI-powered visual code editor for designers | Y CombinatorW25 | Active | checked 2026-08-23 |
| OpenIntakeAI The AI Front Door For Law Firms | Vertical AI agentsAI intake agent for law firms | Y CombinatorW25 | Active | checked 2026-08-23 |
| Operand Operand — Private-Markets Intelligence | Developer toolsAI-powered code/query optimization | Y CombinatorW25 | Active | checked 2026-08-23 |
| Optifye.aiAI AI performance monitoring for factory workers | Robotics and physical worldAI factory floor monitoring | Y CombinatorW25 | Active | checked 2026-08-23 |
| Orbital Operations High Thrust Space Vehicles for Satellite Defense | Defense and spacesatellite defense vehicles | Y CombinatorW25 | Active | checked 2026-08-23 |
| OsmosisAI Reinforcement Learning (RL) for AI Agents | AI infra and computeRL fine-tuning platform for AI | Y CombinatorW25 | Active | checked 2026-08-23 |
| OutlitAI Retain and Grow Every Customer | B2B SaaSCustomer health and retention analytics | Y CombinatorW25 | Active | checked 2026-08-23 |
| Outship Hire amazing engineers by seeing how they use AI | B2B SaaSAI-powered engineering recruitment platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| Overstand LabsAI Navigate any set of data - no matter how large - in minutes. | Data for AIAI-powered data exploration and analysis platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| OvloAI Founder led hiring for London startups | Vertical AI agentsAI recruiting assistant for startups | Y CombinatorW25 | Active | checked 2026-08-23 |
| ParagonAI The AI Growth Engine for Industrials | Vertical AI agentsAI automation for industrial distributors | Y CombinatorW25 | Active | checked 2026-08-23 |
| Paratus Health The first healthcare GTM data platform | B2B SaaSHealthcare sales intelligence platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| Pave Robotics Robots that repair roads | Robotics and physical worldautonomous road repair robots | Y CombinatorW25 | Active | checked 2026-08-23 |
| PAX Markets More 𝛼, less latency: exchange and HFT on one chip. | Fintechcrypto exchange with HFT optimization | Y CombinatorW25 | Active | checked 2026-08-23 |
| Peppr AIAI In-call AI teleprompter that helps reps close enterprise deals | Horizontal AI assistantsSales call AI copilot | Y CombinatorW25 | Active | checked 2026-08-23 |
| PermitifyAI AI co-pilot for building plan review and building code compliance | Vertical AI agentsAI copilot for building code compliance | Y CombinatorW25 | Active | checked 2026-08-23 |
| PickleAI Where your life context becomes understanding. | ConsumerAI-powered AR glasses and personal memory OS | Y CombinatorW25 | Active | checked 2026-08-23 |
| PinchAI Real-time AI Voice Translation for Developers | Developer toolsvoice translation API for developers | Y CombinatorW25 | Active | checked 2026-08-23 |
| PraximAI The agentic AI Word editor | Horizontal AI assistantsAI-powered document editor | Y CombinatorW25 | Active | checked 2026-08-23 |
| Proception IncAI Making humanoids dexterous enough to thread a needle | Robotics and physical worlddexterous humanoid robots | Y CombinatorW25 | Active | checked 2026-08-23 |
| PromptlessAI An AI teammate that automatically updates your customer-facing docs | Developer toolsAI-powered documentation automation | Y CombinatorW25 | Active | checked 2026-08-23 |
| QuantstructAI AI documentation engineer – test & autoimprove stale product docs | Developer toolsAI documentation automation for APIs | Y CombinatorW25 | Active | checked 2026-08-23 |
| Rally Financial OS for Modern Fleets | FintechFleet financial operations platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| ReboltAI AI-Powered Company OS | Vertical AI agentsAI software factory for enterprises | Y CombinatorW25 | Active | checked 2026-08-23 |
| Red Barn Robotics A Roomba for weeds on a farm. | Robotics and physical worldautonomous weeding robot for farms | Y CombinatorW25 | Active | checked 2026-08-23 |
| Reditus Space Reusable Satellites | Defense and spaceReusable orbital platforms | Y CombinatorW25 | Active | checked 2026-08-23 |
| ReJot We turn complex API integrations into drop‑in full‑stack libraries | Developer toolsAPI integration framework | Y CombinatorW25 | Active | checked 2026-08-23 |
| RetrofitAI A vintage marketplace curated by AI | ConsumerAI-curated vintage marketplace | Y CombinatorW25 | Active | checked 2026-08-23 |
| Revise RoboticsAI Automating refurbishment of $1T in consumer electronics | Robotics and physical worlde-waste recycling automation | Y CombinatorW25 | Active | checked 2026-08-23 |
| RivieraAI AI Employees for Hotels | Vertical AI agentsAI phone receptionist for hotels | Y CombinatorW25 | Active | checked 2026-08-23 |
| RoarkAI Test, monitor, and improve your voice agents | Agent infrastructureVoice agent monitoring and evaluation | Y CombinatorW25 | Active | checked 2026-08-23 |
| RocketableAI The AI Maximalist Software Holding Company | Vertical AI agentsAI-run software holding company operations | Y CombinatorW25 | Active | checked 2026-08-23 |
| SalesPatriotAI AI powered operating system for distributors and OEMs | Vertical AI agentsAI workflows for distributor operations | Y CombinatorW25 | Active | checked 2026-08-23 |
| SAMMY LabsAI Computational Law | Vertical AI agentsAI-powered legal contract analysis | Y CombinatorW25 | Active | checked 2026-08-23 |
| Scout AI-powered student information system for K-12 schools | B2B SaaSAI-powered student information system | Y CombinatorW25 | Active | checked 2026-08-23 |
| Sennu AIAI We turn traditional companies into AI companies | Vertical AI agentsAI operations transformation consulting | Y CombinatorW25 | Active | checked 2026-08-23 |
| SolidroadAI AI agents for CX teams, starting with training and QA. | Vertical AI agentsAI training and QA for customer service teams | Y CombinatorW25 | Active | checked 2026-08-23 |
| Splash Inc. Autonomous patrol-boats for National Security | Defense and spaceautonomous patrol vessels for national security | Y CombinatorW25 | Active | checked 2026-08-23 |
| SpottAI AI-native ATS/CRM for recruiting firms | Vertical AI agentsAI recruiting agents for staffing firms | Y CombinatorW25 | Active | checked 2026-08-23 |
| StampAI The AI Secretary for Email and Calendar. | Horizontal AI assistantsAI email and calendar assistant | Y CombinatorW25 | Active | checked 2026-08-23 |
| Steinmetz Next-Generation Power Electronics | Robotics and physical worldPower electronics for EV and robotics | Y CombinatorW25 | Active | checked 2026-08-23 |
| StillwindAI Electrical Engineering Components Compaion | Developer toolsAI tools for electrical engineers | Y CombinatorW25 | Active | checked 2026-08-23 |
| SubImage The Open-Core Security Graph | Security and complianceinfrastructure asset visibility and mapping | Y CombinatorW25 | Active | checked 2026-08-23 |
| Subtrace Zero code network tracer | Developer toolsNetwork debugging and tracing | Y CombinatorW25 | Active | checked 2026-08-23 |
| superglueAI connect, migrate and implement enterprise systems | Vertical AI agentsERP implementation and enterprise system integration | Y CombinatorW25 | Active | checked 2026-08-23 |
| SwerveAI Chat with AI Characters | ConsumerAI character chat entertainment | Y CombinatorW25 | Active | checked 2026-08-23 |
| Tally | Fintechfinancial accounting automation | Y CombinatorW25 | Active | checked 2026-08-23 |
| TamLabsAI Agent teams for complex work | Horizontal AI assistantsAI agent teams for professional work | Y CombinatorW25 | Active | checked 2026-08-23 |
| Tee Time Tommy Book and manage all of your golf tee times in one place. | Consumergolf booking and management | Y CombinatorW25 | Site unreachable | checked 2026-08-17 |
| TergleAI AI Agents for Audit | Vertical AI agentsAI agents for financial audit | Y CombinatorW25 | Active | checked 2026-08-23 |
| Tire SwingAI AI Compliance for Affordable Housing | Security and complianceAI compliance for affordable housing | Y CombinatorW25 | Active | checked 2026-08-23 |
| Toothy AIAI AI for insurance verification & billing at dental clinics | Vertical AI agentsAI insurance verification and billing for dental practices | Y CombinatorW25 | Active | checked 2026-08-23 |
| TrainLoopAI Reasoning Fine-Tuning | Agent infrastructureReinforcement learning fine-tuning for LLMs | Y CombinatorW25 | Active | checked 2026-08-23 |
| TrataAI AI-powered research desk for hedge funds | Vertical AI agentsAI research automation for hedge funds | Y CombinatorW25 | Active, new domain | 2026-08-23 |
| TravaAI AI agents for global trade compliance | Vertical AI agentsAI agents for trade compliance | Y CombinatorW25 | Active | checked 2026-08-23 |
| TrimAI A foundation model for physics. | AI infra and computePhysics simulation foundation model | Y CombinatorW25 | Active | checked 2026-08-23 |
| Truffle AIAI AWS for AI Agents | Agent infrastructureAgent API infrastructure | Y CombinatorW25 | Active | checked 2026-08-23 |
| Tweeks.ioAI Lovable for Chrome Plugins | Developer toolswebsite personalization for Chrome | Y CombinatorW25 | Active | checked 2026-08-23 |
| Uncommon Therapeutics A Disease Focused Biotech, Building Multiple Billion Dollar Drugs | Healthcare and bioGene therapy for genetic diseases | Y CombinatorW25 | Active | checked 2026-08-23 |
| VantelAI AI Platform for Commercial Insurance Brokerages | Vertical AI agentsAI operations for insurance brokers | Y CombinatorW25 | Active | checked 2026-08-23 |
| Verbiflow Outbound Sequencing Infrastructure for Startups | B2B SaaSSales outreach and sequencing platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| VetnioAI AI Copilot that automates admin work for veterinary professionals | Vertical AI agentsAI copilot for veterinary practice administration | Y CombinatorW25 | Active | checked 2026-08-23 |
| Vocality HealthAI Voice AI for medical language translation | Healthcare and bioAI voice translation for clinical care | Y CombinatorW25 | Active | checked 2026-08-23 |
| Waypoint TransitAI We automate urban planning so cities can build cheaper and faster. | Vertical AI agentsAI city planning automation | Y CombinatorW25 | Active | checked 2026-08-23 |
| WeaveAI AI to understand and then route engineering work | Developer toolsAI model routing and cost optimization | Y CombinatorW25 | Active | checked 2026-08-23 |