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 |
|---|---|---|---|---|
| FulcrumAI The agentic debugger for AI systems | Agent infrastructureAI agent debugging and red-teaming | Y CombinatorS25 | Active, new domain | 2026-08-23 |
| GETASAPAI AI-Native Fresh Produce Logistics | Commerce and marketplacesAI-powered fresh produce logistics and reefer freight | Y CombinatorS25 | Active | checked 2026-08-23 |
| GhostEyeAI Your always-on red team. | Security and complianceAI-powered security awareness and red teaming | Y CombinatorS25 | Active | checked 2026-08-23 |
| GolpoAI Create Whiteboard Explainer Videos with AI from a Prompt or Document | Developer toolsAI video generation for marketing | Y CombinatorS25 | Active | checked 2026-08-23 |
| HalluminateAI Data and RL environments to automate knowledge work | Agent infrastructureComputer use AI training infrastructure | Y CombinatorS25 | Active | checked 2026-08-23 |
| HeraAI AI Motion Designer | Horizontal AI assistantsAI motion graphics automation | Y CombinatorS25 | Active | checked 2026-08-23 |
| HumoniqAI AI-Native BPO for travel & transport | Vertical AI agentsAI customer support for travel | Y CombinatorS25 | Active | checked 2026-08-23 |
| idlerAI Hill-climb any benchmark, for any model, in any domain. | Agent infrastructureRL environment platforms for AI training | Y CombinatorS25 | Active | checked 2026-08-23 |
| ImpreziaAI The World's First AI Ad Network. | Agent infrastructureAI monetization and ad infrastructure | Y CombinatorS25 | Active | checked 2026-08-23 |
| InterfaceAI Building onestop.sh | Agent infrastructureAI agent marketplace and transaction layer | Y CombinatorS25 | Active | checked 2026-08-17 |
| InterfereAI Give engineering, product, and design teams insight into unseen issues | Developer toolsAI-powered bug detection and insights | Y CombinatorS25 | Active | checked 2026-08-23 |
| Iron GridAI Foundational models for risk and quality. | AI infra and computefoundation models for industrial applications | Y CombinatorS25 | Active | checked 2026-08-23 |
| IronLedger.aiAI AI-enabled Corporate Cards and Invoice Processing for Real Estate | Vertical AI agentsAI accounting automation for real estate | Y CombinatorS25 | Active | checked 2026-08-23 |
| Janet AIAI Agents that learn your company and work 24/7 | Vertical AI agentsautonomous product operations management | Y CombinatorS25 | Active | 2026-07-31 |
| JuxtaAI Building a GPS alternative 100x more powerful with no hardware needed. | AI infra and computeMachine learning-based positioning infrastructure | Y CombinatorS25 | Active | checked 2026-08-23 |
| KalindaAI Deep research for class action law firms | Vertical AI agentsAI legal research for class actions | Y CombinatorS25 | Active | checked 2026-08-23 |
| KERNELAI Crazy fast, open source infra for AI agents to use the Internet | Agent infrastructureBrowser automation and internet access for AI agents | Y CombinatorS25 | Active | checked 2026-08-23 |
| KestrollAI | Vertical AI agentsAI operations agent for B2B | Y CombinatorS25 | Active | - |
| KnowlifyAI The AI Explainer Video Maker | B2B SaaSAI video generation for enterprise | Y CombinatorS25 | Active | checked 2026-08-23 |
| LanesurfAI Book any load in 10 minutes | Vertical AI agentsAI freight booking and negotiation | Y CombinatorS25 | Active | checked 2026-08-23 |
| LarkAI The E2E testing layer for AI-driven development | Developer toolsAI-powered E2E testing | Y CombinatorS25 | Active | checked 2026-08-23 |
| Lilac We sell GPUs. | AI infra and computeGPU provisioning and infrastructure management | Y CombinatorS25 | Active | checked 2026-08-23 |
| Liva AI Audio & Video Data | Data for AIsynthetic and real-world speech training data collection | Y CombinatorS25 | Active | checked 2026-08-23 |
| LLM Stats Independent AI evaluations lab | Data for AILLM evaluation and benchmarking | Y CombinatorS25 | Active | checked 2026-08-23 |
| LocataAI AI Referral Automation for Primary Care Clinics | Vertical AI agentsAI referral automation for primary care | Y CombinatorS25 | Active | checked 2026-08-23 |
| LotasAI AI for quantitative trading | FintechAI quantitative trading platform | Y CombinatorS25 | Active | checked 2026-08-23 |
| LuminalAI Making AI run fast on any hardware. | AI infra and computeML compiler and inference optimization | Y CombinatorS25 | Active | checked 2026-08-23 |
| MagneticAI AI Tax Preparer for CPA firms | Vertical AI agentsAI tax data entry for CPAs | Y CombinatorS25 | Active | checked 2026-08-23 |
| MagnitudeAI Code with local models, zero setup | Developer toolsLocal LLM coding environment | Y CombinatorS25 | Active | checked 2026-08-23 |
| MangoDeskAI Long-horizon RL environments | Agent infrastructureRL training environments for agents | Y CombinatorS25 | Active | checked 2026-08-23 |
| ManufactAI Cloud infrastructure for MCP servers and Claude / ChatGPT apps. | Agent infrastructureMCP server hosting and deployment | Y CombinatorS25 | Active | checked 2026-08-23 |
| MaximalAI Truckload Planning at Machine Precision | Vertical AI agentsAutonomous truckload planning for carriers | Y CombinatorS25 | Active | checked 2026-08-23 |
| MeteorAI An AI-Native Browser | Horizontal AI assistantsAI browser agent for task automation | Y CombinatorS25 | Active | checked 2026-08-23 |
| MetisAI Infrastructure to build reliable agents | Agent infrastructureAgent reliability and orchestration | Y CombinatorS25 | Acquired | checked 2026-08-23 |
| MimosAI The growth OS for plaintiff-side law firms | Vertical AI agentsAI intake and lead conversion for law firms | Y CombinatorS25 | Active | checked 2026-08-23 |
| Minimal AIAI AI Agents for E-commerce Customer Support | Vertical AI agentsAI customer support agents for e-commerce | Y CombinatorS25 | Active | checked 2026-08-23 |
| Modelence Build production-ready apps with AI | Developer toolsAI-first app development platform | Y CombinatorS25 | Active | checked 2026-08-23 |
| MonarchaAI Turn maps into data | Data for AIMap georeferencing and spatial data extraction | Y CombinatorS25 | Active | checked 2026-08-23 |
| MonteAI Continual Learning for Agents | Agent infrastructureContinual learning infrastructure for agents | Y CombinatorS25 | Active | checked 2026-08-23 |
| MotivesAI Consumer focus groups run by AI | Vertical AI agentsAI-run consumer research and focus groups | Y CombinatorS25 | Active | checked 2026-08-23 |
| Munify The Cross-Border Neobank for the Middle East | Fintechcross-border neobank for Middle East | Y CombinatorS25 | Active | checked 2026-08-23 |
| Nautilus AI platform to grow and to optimize car washes | B2B SaaScar wash management software | Y CombinatorS25 | Active | checked 2026-08-23 |
| Nexa Labs Implantable microchips and AI for cattle monitoring | Robotics and physical worldAI-powered livestock health monitoring | Y CombinatorS25 | Acquired | checked 2026-08-23 |
| Nixo Make every FDE on your team capable of moving any account forward. | B2B SaaSProject delivery management for services | Y CombinatorS25 | Active | checked 2026-08-23 |
| Normal Testing and certifying the hardware of the future | Robotics and physical worldhardware testing and certification | Y CombinatorS25 | Active, new domain | 2026-08-23 |
| NOSO LABSAI Build AI agents for field technicians to diagnose and sell 10x better | Vertical AI agentsAI diagnostic and sales agents for field technicians | Y CombinatorS25 | Active | checked 2026-08-23 |
| NotteAI Reliable Web Agents for Enterprise | Agent infrastructurebrowser automation agents platform | Y CombinatorS25 | Active | checked 2026-08-23 |
| NovaflowAI The AI data analyst for biology labs | Healthcare and bioAI bioinformatics data analysis | Y CombinatorS25 | Active | checked 2026-08-23 |
| Nox Metals Supplying America's Industrial Base | Robotics and physical worldAI-powered metal manufacturing | Y CombinatorS25 | Active | checked 2026-08-23 |
| NozomioAI product lab. focused on personal ai and context. | Agent infrastructureAI context and memory management | Y CombinatorS25 | Active | checked 2026-08-23 |
| NuntiusAI Making Models Follow Rules. | Agent infrastructureAI model alignment and safety | Y CombinatorS25 | Inactive | checked 2026-08-23 |
| OkibiAI Turns products into CLIs and agents into customers | Agent infrastructureAI agent CLI generation and integration | Y CombinatorS25 | Active | checked 2026-08-23 |
| OmnaraAI The Open-Source Alternative to Claude Managed Agents | Agent infrastructureOpen-source agent orchestration platform | Y CombinatorS25 | Active | checked 2026-08-23 |
| OnDeck AIAI Analyze any footage, without training a model | AI infra and computeVision Language Model infrastructure | Y CombinatorS25 | Active | checked 2026-08-23 |
| OpennoteAI The notebook that thinks with you. | Horizontal AI assistantsAI-powered note-taking and writing assistant | Y CombinatorS25 | Acquired | checked 2026-08-23 |
| Orange SliceAI Agentic sales enrichment spreadsheet | Vertical AI agentsSales data enrichment via agentic spreadsheet | Y CombinatorS25 | Active | checked 2026-08-23 |
| PallyAI Your personal AI Assistant | Horizontal AI assistantsPersonal AI assistant for productivity | Y CombinatorS25 | Active | checked 2026-08-23 |
| PalomaAI Digital transformation for real economy businesses | Vertical AI agentsAI operations automation for manufacturing | Y CombinatorS25 | Active | checked 2026-08-23 |
| Panels Audio Data for AI Labs | Data for AIspeech data collection for models | Y CombinatorS25 | Active | checked 2026-08-23 |
| Pangolin Identity-aware VPN and proxy for remote access to anything, anywhere. | Security and complianceidentity-based remote access infrastructure | Y CombinatorS25 | Active | checked 2026-08-23 |
| PanoptiveAI The continuous oversight engine for clinical trials | Healthcare and bioClinical trial monitoring and oversight | Y CombinatorS25 | Active | checked 2026-08-23 |
| PARES AIAI AI-native real estate services firm | Vertical AI agentsAI-native real estate brokerage and property management | Y CombinatorS25 | Active | checked 2026-08-23 |
| Perseus Defense America's Golden Dome for Drones | Defense and spacecounter-UAS defense systems | Y CombinatorS25 | Active | checked 2026-08-23 |
| Perspectives HealthAI AI to run behavioral health programs better | Vertical AI agentsAI agents for behavioral health operations | Y CombinatorS25 | Active | checked 2026-08-23 |
| PhasesAI Automated clinical trial oversight and execution | Vertical AI agentsClinical trial operations automation | Y CombinatorS25 | Active | checked 2026-08-23 |
| Physical Turing Evaluating humanoids in the real world | Robotics and physical worldHumanoid robot evaluation and benchmarking | Y CombinatorS25 | Active | checked 2026-08-23 |
| PingoAI AI companion that helps you learn languages | ConsumerAI language learning companion | Y CombinatorS25 | Active | checked 2026-08-23 |
| PlaygentAI Sandboxes for AI agents | Agent infrastructureAI agent sandbox and testing infrastructure | Y CombinatorS25 | Active | checked 2026-08-23 |
| PleomAI Agentic Business Intelligence | Vertical AI agentsAI-powered business intelligence automation | Y CombinatorS25 | Active | checked 2026-08-23 |
| PreseenAI The AI forecasting company for global macro events. | Vertical AI agentsAI forecasting for global macro events | Y CombinatorS25 | Active | checked 2026-08-23 |
| ProcIndexAI AI-powered accounting automation for construction and manufacturing | Vertical AI agentsAI accounting automation for construction/manufacturing | Y CombinatorS25 | Active | checked 2026-08-23 |
| ProliferateAI Do your life's work with agents | Agent infrastructureagent orchestration and management | Y CombinatorS25 | Active | checked 2026-08-23 |
| QuotainAI AI sales simulations using your real deals | Vertical AI agentsAI sales practice and coaching | Y CombinatorS25 | Active | checked 2026-08-23 |
| ReacherAI We automate creator marketing for the world's largest brands | B2B SaaSAI creator marketing automation | Y CombinatorS25 | Active | checked 2026-08-23 |
| RealRoots IRL friendship app for women | Consumersocial networking for women | Y CombinatorS25 | Active, new domain | 2026-08-23 |
| RebulkAI Accurately measure and monitor bulk inventory | Robotics and physical worldcomputer vision inventory management | Y CombinatorS25 | Active | checked 2026-08-23 |
| RellingAI deploying the first billion robots for manufacturing | Robotics and physical worldAI-powered manufacturing robots | Y CombinatorS25 | Active, new domain | 2026-08-23 |
| Risely AIAI AI agents that automate administrative work across college campuses. | Vertical AI agentsAI agents for university administration | Y CombinatorS25 | Active | checked 2026-08-23 |
| Riverbank Infrastructure Cartography | Developer toolsinfrastructure mapping and dependency visualization | Y CombinatorS25 | Active | checked 2026-08-23 |
| RowFlowAI Replacing forms with AI conversations | B2B SaaSAI conversation forms automation | Y CombinatorS25 | Active | checked 2026-08-24 |
| Ruvo The Global Dollar App for Brazil | FintechUSD-BRL remittance and neobank | Y CombinatorS25 | Active | checked 2026-08-23 |
| SapienAI Synthetic populations for decisions | Vertical AI agentsAI population simulation for business decisions | Y CombinatorS25 | Active | checked 2026-08-23 |
| SerafisAI Narrative intelligence for investors | Fintechnarrative intelligence for investment decisions | Y CombinatorS25 | Active | checked 2026-08-23 |
| Shor International payroll, built for founders | Fintechinternational payroll and EOR | Y CombinatorS25 | Active | checked 2026-08-23 |
| SigmanticAIAI The Cursor for Chip Design - Delivering Silicon-Ready Chip Designs… | Developer toolsAI-native HDL design assistant | Y CombinatorS25 | Active | checked 2026-08-23 |
| SiraAI AI Native Rippling for Deskless Workers | Vertical AI agentsAI HR platform for deskless workers | Y CombinatorS25 | Active | checked 2026-08-23 |
| SlashyAI Cursor for Email | Horizontal AI assistantsAI email assistant for productivity | Y CombinatorS25 | Active | checked 2026-08-23 |
| Socratix AIAI AI coworkers for fraud and compliance teams. | Vertical AI agentsAI fraud investigation agents for fintech | Y CombinatorS25 | Active | checked 2026-08-23 |
| SolvaAI Automates insurance claims and stops incorrect payouts | Vertical AI agentsAI claims automation for insurance | Y CombinatorS25 | Active | checked 2026-08-23 |
| Spotlight RealtyAI AI powered brokerage reducing residential rental commissions in NYC… | Vertical AI agentsAI rental screening and tenant showings | Y CombinatorS25 | Active | checked 2026-08-23 |
| stagewiseAI The Open Source Agentic IDE | Agent infrastructureagentic IDE for coding agents | Y CombinatorS25 | Active | checked 2026-08-23 |
| Stellon LabsAI Building tiny frontier AI models that run on edge devices | AI infra and computelightweight edge AI models | Y CombinatorS25 | Active | checked 2026-08-23 |
| StocklineAI AI-native ERP for food wholesalers | Vertical AI agentsAI ERP for food wholesale | Y CombinatorS25 | Active | checked 2026-08-23 |
| StormyAI Stormy runs the office so your crew can run the work. | Vertical AI agentsAI operations for field service businesses | Y CombinatorS25 | Active | checked 2026-08-24 |
| Synthetic SocietyAI Synthetic Videos to Simulate Real Users | Data for AIsynthetic user data generation | Y CombinatorS25 | Active | checked 2026-08-23 |
| TectoAIAI A Platform for AI Governance | Agent infrastructureAI agent governance and compliance platform | Y CombinatorS25 | Active | checked 2026-08-23 |
| TesoraAI Frontier AI for Actuaries | Vertical AI agentsAI rating agents for P&C insurance | Y CombinatorS25 | Active | checked 2026-08-23 |
| The Prompting CompanyAI We help products get discovered & used by AI agents. | Agent infrastructureAI agent discovery and integration optimization | Y CombinatorS25 | Active | checked 2026-08-23 |
| TheoraAI Building medical school for AI Agents | Healthcare and bioAI-verified clinical trial oversight | Y CombinatorS25 | Active | checked 2026-08-24 |
| TopologicalAI Physics-based foundation models for CAD optimization. | Developer toolsAI-powered CAD optimization and design | Y CombinatorS25 | Active | checked 2026-08-23 |