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 |
|---|---|---|---|---|
| throxyAI Vertical AI agents running B2B outbound on autopilot, with human SDRs | Vertical AI agentsAI-powered B2B outbound for software sales | Y CombinatorX25 | Active | checked 2026-08-23 |
| Ticket WalletAI AI-optimized ticket resale | Commerce and marketplacesAI ticket resale automation | Y CombinatorX25 | Active | checked 2026-08-23 |
| Tinfoil Encrypted AI with verifiable privacy | AI infra and computeEncrypted AI execution infrastructure | Y CombinatorX25 | Active | checked 2026-08-23 |
| TrapezeAI AI-native Zocdoc | Vertical AI agentsAI voice agents for medical practices | Y CombinatorX25 | Active | checked 2026-08-23 |
| UnitsAI Units builds full-stack AI education infrastructure. | ConsumerAI-powered accelerated high school | Y CombinatorX25 | Active | checked 2026-08-23 |
| ValueMateAI Valuemate automates real estate appraisals with AI | Vertical AI agentsAI real estate appraisals for lenders | Y CombinatorX25 | Active | checked 2026-08-23 |
| Vassar Robotics Open-source semi-humanoid dev kit → home data → autonomy → 20h/wk | Robotics and physical worldHome humanoid robotics dev kit | Y CombinatorX25 | Active | checked 2026-08-23 |
| VesenceAI Cursor for Lawyers. Agentic AI in MS Office. | Vertical AI agentsAI contract drafting and review for lawyers | Y CombinatorX25 | Active | checked 2026-08-23 |
| Vision Lab Industrial data layer for robotics training | Data for AIindustrial video data for robotics training | Y CombinatorX25 | Active | checked 2026-08-23 |
| VoiceOSAI Say it and it's done. Voice is the new OS | Horizontal AI assistantsVoice-powered productivity assistant | Y CombinatorX25 | Active | checked 2026-08-23 |
| VybeAI Secure internal apps. Built by AI in seconds. Powered by your data. | Developer toolsAI-powered internal app builder | Y CombinatorX25 | Active | checked 2026-08-23 |
| WaffleAI Discover & Build AI Chatbots | ConsumerAI chatbot marketplace platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| Wavedash Play the latest games in your browser with no downloads | Consumerbrowser-based gaming platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| WillowAI The voice interface replacing your keyboard | Horizontal AI assistantsAI-powered voice dictation productivity | Y CombinatorX25 | Active | checked 2026-08-23 |
| Zeon SystemsAI AI-powered robotics for scientific lab automation. | Robotics and physical worldAI-powered lab automation robots | Y CombinatorX25 | Active | checked 2026-08-23 |
| 10xAI AI Sales Teams for Dental Practices | Vertical AI agentsAI patient outreach for dental practices | Y CombinatorW25 | Active | checked 2026-08-23 |
| a0.devAI We make mobile apps using AI. | Developer toolsAI-powered mobile app generation | Y CombinatorW25 | Active | checked 2026-08-23 |
| A1Zap by A1Base The social network layer for AI apps | Consumersocial network for AI creators | Y CombinatorW25 | Active | checked 2026-08-28 |
| AdamAI AI Powered CAD | Vertical AI agentsAI agents for mechanical design | Y CombinatorW25 | Active | checked 2026-08-23 |
| AfterQuery Applied research lab curating data solutions for foundation model… | Data for AIdata curation for foundation models | Y CombinatorW25 | Active | checked 2026-08-23 |
| Agentin AIAI AI Agents that automate enterprise software processes | Vertical AI agentsEnterprise software process automation agents | Y CombinatorW25 | Active | checked 2026-08-23 |
| Alice.techAI AI-driven exam prep | ConsumerAI exam prep platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| AltrinaAI The SOP Automation Platform | Vertical AI agentsSOP automation for enterprises | Y CombinatorW25 | Inactive | checked 2026-08-23 |
| Amby HealthAI The health coach that texts you first | Healthcare and bioAI health coaching via text | Y CombinatorW25 | Active | checked 2026-08-23 |
| Archon We help software companies sell to government. | Security and complianceFedRAMP compliance automation | Y CombinatorW25 | Active | checked 2026-08-23 |
| ArtifactAI An Collaborative, AI-native IDE for Hardware Engineers | Developer toolsAI IDE for hardware engineers | Y CombinatorW25 | Active | checked 2026-08-23 |
| Artificial SocietiesAI We build networks of AIs to simulate high-value audiences | B2B SaaSAI-powered market research and audience simulation | Y CombinatorW25 | Active | checked 2026-08-23 |
| assistant-ui Open Source React.js Library for AI Chat | Developer toolsAI chat UI library for developers | Y CombinatorW25 | Active | checked 2026-08-23 |
| AsteroidAI The integration layer for healthcare: EHRs, payer portals & more | Agent infrastructurehealthcare data integration automation | Y CombinatorW25 | Active | checked 2026-08-23 |
| AstroAI The world’s first AI energy developer | Climate and energyAI-powered renewable energy development | Y CombinatorW25 | Active, new domain | 2026-08-23 |
| AthenaHQ Be the Answer in AI Search - AI SEO across SEO, GEO & AEO | B2B SaaSAI search visibility and optimization platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| awenAI awen translates intent into exceptional visuals through conversation | Horizontal AI assistantsConversational creative design assistant | Y CombinatorW25 | Active | checked 2026-08-23 |
| Axal We design, assemble, and test custom PCBs fast. | Robotics and physical worldPCB design and manufacturing services | Y CombinatorW25 | Active | checked 2026-08-23 |
| Axiom Trade memecoins, perpetuals, and earn yield. | Fintechmemecoin and perpetuals trading platform | Y CombinatorW25 | Active | checked 2026-08-17 |
| BezelAI Digital AI humans that model clothes for e-commerce brands. | Commerce and marketplacesAI fashion product photography | Y CombinatorW25 | Active | checked 2026-08-23 |
| Bild AIAI AI estimating & detailing for Division 8 doors, frames & hardware | Vertical AI agentsAI estimating for construction doors and hardware | Y CombinatorW25 | Active | checked 2026-08-23 |
| BindwellAI Discovering new pesticides with AI | Healthcare and bioAI pesticide discovery | Y CombinatorW25 | Active | checked 2026-08-23 |
| BlindPay Stablecoin API for global payments | Fintechstablecoin payments API | Y CombinatorW25 | Active | checked 2026-08-23 |
| BluebookAI AI for accounting | Vertical AI agentsAI agents for accounting firms | Y CombinatorW25 | Inactive | checked 2026-08-17 |
| Browser UseAI Leading open-source web agent project with 50k stars in 3 months | Agent infrastructurebrowser automation for AI agents | Y CombinatorW25 | Active | checked 2026-08-23 |
| BudAI Agent with a computer | Agent infrastructureautonomous agent orchestration platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| Butter Embedded Sandboxes for Agents | Agent infrastructurelightweight sandbox runtime for agents | Y CombinatorW25 | Active | checked 2026-08-23 |
| Bystreet Your partner for hotel ownership data. | Commerce and marketplaceshotel owner data intelligence | Y CombinatorW25 | Active | checked 2026-08-23 |
| CalltreeAI Enterprise-grade AI support reps for call centers | Vertical AI agentsAI support reps for call centers | Y CombinatorW25 | Active | checked 2026-08-23 |
| CandorAI Protect your data and stop insider risk | Security and complianceagentic data loss prevention | Y CombinatorW25 | Active | checked 2026-08-23 |
| CandorAI We help companies win government funding with AI | Vertical AI agentsGovernment procurement agents for defense | Y CombinatorW25 | Inactive | checked 2026-08-17 |
| CardamonAI AI compliance co-pilot for regulated financial businesses | Security and complianceAI compliance automation for fintech | Y CombinatorW25 | Active | checked 2026-08-23 |
| careCycleAI Voice AI teams for medicare agencies. | Vertical AI agentsVoice AI for Medicare enrollment | Y CombinatorW25 | Active | checked 2026-08-23 |
| Caseflood.aiAI How elite law firms do intake | Vertical AI agentsAI intake agent for law firms | Y CombinatorW25 | Active | checked 2026-08-23 |
| Cedar Execute the best sales playbook in industry | B2B SaaSSales enablement and CRM automation | Y CombinatorW25 | Active | checked 2026-08-23 |
| CenoteAI AI agents for conversational commerce | Vertical AI agentsAI sales agents for e-commerce | Y CombinatorW25 | Active | checked 2026-08-23 |
| CifratoAI AI Accountant for Accounting Firms | Vertical AI agentsAI accounting automation for firms | Y CombinatorW25 | Active | checked 2026-08-23 |
| ClosureAI We help law enforcement solve crime | Vertical AI agentsAI agents for law enforcement case management | Y CombinatorW25 | Active | checked 2026-08-23 |
| Confident AIAI The LLM Eval and Observability Platform for AI Quality | Agent infrastructureLLM evaluation and observability platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| ConntourAI AI to monitor thousands of security cameras. | Security and complianceAI video surveillance monitoring | Y CombinatorW25 | Active | checked 2026-08-23 |
| ContrarioAI AI hiring platform powered by expert recruiters | Vertical AI agentsAI recruiting and hiring agents | Y CombinatorW25 | Active | checked 2026-08-23 |
| CopyCatAI AI agents built for insurance brokers | Vertical AI agentsAI agents for insurance brokers | Y CombinatorW25 | Active | checked 2026-08-23 |
| Corsair Connect your users to their apps | Agent infrastructureAPI integration for agents and workflows | Y CombinatorW25 | Active | checked 2026-08-23 |
| Cuckoo LabsAI Real-time AI translator for global sales and marketing | Horizontal AI assistantsReal-time meeting translation for sales | Y CombinatorW25 | Active | checked 2026-08-23 |
| DalusAI AI-Powered Hardware System Design Software | Developer toolsAI systems engineering software | Y CombinatorW25 | Active | checked 2026-08-23 |
| DartboardAI AI-native remote operations center for hardware fleets | Robotics and physical worldAI remote ops for hardware fleets | Y CombinatorW25 | Active | checked 2026-08-23 |
| DelineateAI Agents for Accelerated Clinical Trial Design | Vertical AI agentsAI agents for clinical trial design | Y CombinatorW25 | Active | checked 2026-08-23 |
| DexAI The AI Coworker in Chrome | Horizontal AI assistantsbrowser-based AI copilot for knowledge work | Y CombinatorW25 | Active | checked 2026-08-23 |
| DollyglotAI Character.AI with real time video avatars | ConsumerAI avatar conversations with video | Y CombinatorW25 | Active | checked 2026-08-23 |
| EdexiaAI AI Teacher Assistant for Grading Essays | Vertical AI agentsAI essay grading for teachers | Y CombinatorW25 | Active | checked 2026-08-23 |
| Egress HealthAI Automated revenue cycle management, starting with dentists | Vertical AI agentsAI revenue cycle automation for dentistry | Y CombinatorW25 | Acquired | checked 2026-08-17 |
| Elip AIAI Cooking something sweet and salty! | Vertical AI agentsAI recruiting assistant | Y CombinatorW25 | Active | checked 2026-08-23 |
| Enhanced RadarAI AI for air traffic control | Defense and spaceAI air traffic control systems | Y CombinatorW25 | Active | checked 2026-08-23 |
| ErgoAI AI agents and unified data layer for revenue teams | Vertical AI agentsAI agents for sales operations | Y CombinatorW25 | Active | checked 2026-08-23 |
| Excellence LearningAI AI tutor starting with maths and science | ConsumerAI-powered after-school tutoring | Y CombinatorW25 | Active | checked 2026-08-23 |
| Exin Therapeutics AI drug discovery platform for neurotherapeutics | Healthcare and bioAI-guided drug discovery for neurological disorders | Y CombinatorW25 | Site unreachable | checked 2026-08-17 |
| ExlaAI Building agents that reads logs and fixes issues on your behalf. | Vertical AI agentsAI SRE agent for production monitoring | Y CombinatorW25 | Active | checked 2026-08-23 |
| finbarAI The AI investment analyst | Vertical AI agentsAI investment analysis for hedge funds | Y CombinatorW25 | Active | checked 2026-08-23 |
| FiraAI Financial research platform for investment firms | B2B SaaSAI research automation for investment analysts | Y CombinatorW25 | Active | checked 2026-08-23 |
| FlowtelAI The AI Voice agents for hotels | Vertical AI agentsAI voice agents for hotel operations | Y CombinatorW25 | Active | checked 2026-08-23 |
| Forge Automation Software Enabled CNC Parts Supplier | Robotics and physical worldOn-demand CNC parts manufacturing | Y CombinatorW25 | Active, new domain | 2026-08-23 |
| Fuse AIAI Agentic Sales Platform | 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 2026-08-28 |
| 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 |