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 |
|---|---|---|---|---|
| CapacitiveAI The data gateway for agents. | Agent infrastructureData access and permissions for AI agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| CartpoleAI Building reinforcement learning environments | Data for AIreinforcement learning training environments | Y CombinatorX25 | Active | checked 2026-08-23 |
| Cascade Space Commercial alternative to the Deep Space Network | Defense and spaceCommercial deep space ground stations | Y CombinatorX25 | Active | checked 2026-08-23 |
| CascoAI Autonomous security testing for web apps, APIs, cloud, and AI systems | Security and complianceautonomous penetration testing | Y CombinatorX25 | Active | checked 2026-08-23 |
| CaucusAI AI CRM for Government | Vertical AI agentsAI CRM for government agencies | Y CombinatorX25 | Inactive | checked 2026-08-23 |
| ChestnutAI The first AI mortgage lender | FintechAI mortgage lending | Y CombinatorX25 | Active | checked 2026-08-23 |
| ChironAI Grammarly for Math ✏️ | Vertical AI agentsAI math tutoring and correction | Y CombinatorX25 | Active | checked 2026-08-23 |
| chrt chrt is a logistics platform for time-critical shipping | Commerce and marketplacestime-critical logistics platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| Claim HealthAI AI Revenue Platform for Post-Acute Care | Vertical AI agentsAI revenue cycle management for post-acute care | Y CombinatorX25 | Active | checked 2026-08-23 |
| ClarmAI Build governed AI agents on your own data, without code | Agent infrastructureAI agent governance and compliance platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| Clidey Turn scattered data into one platform for decision-making | Developer toolsData modeling and decision platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| Code FourAI Modernizing the police workflow. | Vertical AI agentsPolice workflow automation | Y CombinatorX25 | Active | checked 2026-08-23 |
| CohesiveAI The agentic CRM for blue-collar services | Vertical AI agentsAI agents for blue-collar service sales | Y CombinatorX25 | Active | checked 2026-08-23 |
| CombinelyAI AI coworker for Accountants | Vertical AI agentsAI accounting agent for accountants | Y CombinatorX25 | Active | checked 2026-08-23 |
| CotoolAI AI Agents for Security Operations Teams | Vertical AI agentsAI agents for security operations | Y CombinatorX25 | Active | checked 2026-08-23 |
| CrimsonAI The AI Associate for Litigation Lawyers | Vertical AI agentsAI litigation assistant for lawyers | Y CombinatorX25 | Active | checked 2026-08-23 |
| CuaAI Give every agent a cloud desktop | Agent infrastructureCloud desktop for AI agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| cubicAI AI-powered code review platform | Developer toolsAI-powered code review platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| Den Make real life a video game | Consumergamification platform for everyday life | Y CombinatorX25 | Active | checked 2026-08-23 |
| DocketAI AI agents for web testing | Developer toolsAI-powered end-to-end testing | Y CombinatorX25 | Active | checked 2026-08-23 |
| Eloquent AIAI The AI Operator for Financial Services | Vertical AI agentsAI automation for financial operations | Y CombinatorX25 | Active | checked 2026-08-23 |
| FeynAI Custom models trained on your data | AI infra and computeCustom model training and deployment | Y CombinatorX25 | Active | checked 2026-08-23 |
| Flott HQAI AI-native operating system for vehicle fleet management | Vertical AI agentsAI fleet management for logistics | Y CombinatorX25 | Active | checked 2026-08-23 |
| Foundation Industries We supply hard tech companies with critical components. | Robotics and physical worlddomestic hard tech manufacturing | Y CombinatorX25 | Site unreachable | checked 2026-08-17 |
| FreesoloAI Product Native Models | AI infra and computespecialized model optimization and deployment | Y CombinatorX25 | Active | checked 2026-08-23 |
| FrekilAI RWE Generation in minutes | Healthcare and bioReal world evidence generation platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| Galen AIAI Personal AI healthcare agent, powered by clinical and wearable data. | Vertical AI agentsAI health companion for chronic disease management | Y CombinatorX25 | Acquired | checked 2026-08-17 |
| GodelaAI AI Physics Engine to replace simulations and prototypes | AI infra and computeAI physics simulation engine | Y CombinatorX25 | Active | checked 2026-08-23 |
| GolfAI Agentic AI Security and Governance | Security and complianceAI agent security and governance | Y CombinatorX25 | Active | checked 2026-08-23 |
| GroundControlAI Vertical AI for highly-regulated manufacturing | Vertical AI agentsAI quality documentation for aerospace manufacturing | Y CombinatorX25 | Active | 2026-08-23 |
| HABITAI Conversational robots for physical businesses. | Robotics and physical worldconversational retail robots | Y CombinatorX25 | Active | checked 2026-08-23 |
| HanjiAI Turn your hardest documents into reliable data | Developer toolsDocument data extraction pipeline | Y CombinatorX25 | Active | checked 2026-08-23 |
| HelixDBAI The fastest & most scalable graph-vector database on the market | Agent infrastructuregraph-vector database for AI agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| HemutAI AI-powered operating system for trucking companies. | Vertical AI agentsAI operations automation for trucking | Y CombinatorX25 | Active | checked 2026-08-23 |
| Human BehaviorAI Understand your users beyond the numbers | Developer toolsproduct analytics with vision AI | Y CombinatorX25 | Active | checked 2026-08-23 |
| IRBCAI AI-native financial institution for global businesses + agents. | FintechAI-native banking for global businesses | Y CombinatorX25 | Active | checked 2026-08-23 |
| Jeevy FabricationAI AI Driven EPC - Weld Fabrication Contractor | Commerce and marketplacesManufacturing procurement and supply chain | Y CombinatorX25 | Active | checked 2026-08-23 |
| Kaelio The open-source context layer for data agents | Agent infrastructureContext layer for data agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| KairosAI Specialized AI for Critical Industries | Vertical AI agentsAI agents for critical infrastructure operations | Y CombinatorX25 | Active | checked 2026-08-23 |
| KaizenAI Automate anything on the web. | Agent infrastructurebrowser automation and agent orchestration | Y CombinatorX25 | Active | checked 2026-08-23 |
| Kanava AIAI Your First AI Sales Hire for Wholesale Distributors | Vertical AI agentsAI sales agent for wholesale distributors | Y CombinatorX25 | Inactive | checked 2026-08-23 |
| KashikoiAI Simulation Engine for Benchmarking AI Products | Agent infrastructureAI agent benchmarking and evaluation | Y CombinatorX25 | Active | checked 2026-08-23 |
| KestralAI We automate your entire product development lifecycle. | B2B SaaSAI-powered product roadmap and prioritization | Y CombinatorX25 | Active | checked 2026-08-23 |
| Kirana AIAI AI manager for physical stores | Vertical AI agentsAI store operations manager for retail | Y CombinatorX25 | Site unreachable | checked 2026-08-17 |
| Klavis AIAI High Quality Coding & Agentic Data for AI labs | Data for AIAgentic tool-use data for AI labs | Y CombinatorX25 | Active | checked 2026-08-23 |
| Labric The data layer for scientific research | Data for AILab data integration and cleaning | Y CombinatorX25 | Active | checked 2026-08-23 |
| LeerooAI Organizational Superintelligence | Vertical AI agentsEnterprise operations automation | Y CombinatorX25 | Active | checked 2026-08-23 |
| LibrettoAI Turn website workflows into reliable APIs | Agent infrastructureBrowser automation and workflow codegen for agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| LucisAI Function Health for Europe | Healthcare and bioAI-powered blood testing insights | Y CombinatorX25 | Active | checked 2026-08-23 |
| LumariAI AI Digital Workers for Supply Chain | Vertical AI agentsAI procurement and supply chain automation | Y CombinatorX25 | Active | checked 2026-08-23 |
| Mbodi AIAI Industrial Robots that Learn and Operate Like Humans | Robotics and physical worldAI-powered industrial robot learning | Y CombinatorX25 | Active | checked 2026-08-23 |
| MesmerAI The operating system for the 100x Engineering Team | Agent infrastructureagentic engineering team orchestration | Y CombinatorX25 | Active | checked 2026-08-23 |
| MindFortAI Autonomous Security Agents | Security and complianceautonomous AI penetration testing | Y CombinatorX25 | Active | checked 2026-08-28 |
| MinervaAI AI native accounting firm | Vertical AI agentsAI accounting and bookkeeping | Y CombinatorX25 | Active | checked 2026-08-23 |
| mlop Experiment tracking for training ML models | Developer toolsML experiment tracking platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| Moby AnalyticsAI AI financial auditors | Vertical AI agentsAI agents for financial auditing | Y CombinatorX25 | Active | checked 2026-08-23 |
| MorphikAI AI workers for Skilled Nursing and Senior Living Operations | Vertical AI agentsAI workers for senior care operations | Y CombinatorX25 | Active | checked 2026-08-23 |
| MorphoAIAI Software tool for designing robots and machines | Developer toolsAI-powered robot design and CAD | Y CombinatorX25 | Active | checked 2026-08-23 |
| Naïve Autonomous Company Infrastructure | Agent infrastructureautonomous business infrastructure stack | Y CombinatorX25 | Active | checked 2026-08-23 |
| nao LabsAI Open Source Analytics Agent | Agent infrastructureAnalytics agent framework and deployment | Y CombinatorX25 | Active | checked 2026-08-23 |
| neoncoralAI 🪸 AI consumer social | ConsumerAI consumer social network | Y CombinatorX25 | Active | checked 2026-08-23 |
| Nimbic AIAI Automatically write and update internal docs with every code commit. | Developer toolsAI documentation generation for code | Y CombinatorX25 | Active | checked 2026-08-23 |
| NODI Energy Distributed energy infrastructure unlocking grid power to data centers | Climate and energydistributed energy infrastructure for data centers | Y CombinatorX25 | Active | checked 2026-08-23 |
| NomiAI Realtime Sales Copilot | Horizontal AI assistantsSales call coaching copilot | Y CombinatorX25 | Active | checked 2026-08-23 |
| NovoflowAI Computer-using agents for healthcare operations | Vertical AI agentsAI scheduling and operations for clinics | Y CombinatorX25 | Active | checked 2026-08-23 |
| Opusense AIAI AI for Field Inspection Reports | Vertical AI agentsAI field inspection reports for construction | Y CombinatorX25 | Active | checked 2026-08-23 |
| OrchidAI A personal EA in your iMessage | Horizontal AI assistantsPersonal executive assistant via messaging | Y CombinatorX25 | Active | checked 2026-08-23 |
| Paper InstrumentsAI Open-source frontier models for knowledge work | AI infra and computeOpen-source frontier model post-training | Y CombinatorX25 | Active | checked 2026-08-23 |
| ParaQuery Managed GPU-accelerated Spark + SQL at 2x speed and half the cost | AI infra and computeGPU-accelerated data processing platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| ParsewiseAI Multi-document processing for your risk teams, AI agents, pipelines | Agent infrastructureMulti-document processing for AI agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| PartclAI Design a chip in minutes | Developer toolsAI-accelerated chip design automation | Y CombinatorX25 | Active | checked 2026-08-23 |
| PelicaAI AI agents for risk-bearing healthcare organizations | Vertical AI agentsAI agents for healthcare operations | Y CombinatorX25 | Active | checked 2026-08-23 |
| PercivalAI Accelerating data analysis for research | Data for AIAI copilot for research data analysis | Y CombinatorX25 | Inactive | checked 2026-08-23 |
| PgDog Scaling engine for PostgreSQL | AI infra and computePostgreSQL sharding and scaling infrastructure | Y CombinatorX25 | Active | checked 2026-08-23 |
| PhotoniumAI AI-Powered Optical Consulting & Software | Vertical AI agentsAI-powered optical system design automation | Y CombinatorX25 | Active | checked 2026-08-23 |
| PlexeAI Open-source agents to build predictive ML models from a prompt | Developer toolsML model generation from prompts | Y CombinatorX25 | Active | checked 2026-08-23 |
| PrismAI Deploy AI Agents with a Single API Call | Agent infrastructureAI agent deployment platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| ProboAI We help you get compliant while you focus on your business. | Security and complianceAutomated compliance management | Y CombinatorX25 | Active | checked 2026-08-23 |
| PropolisAI Hands off QA via intelligent browser agents. | Agent infrastructureautonomous browser testing agents | Y CombinatorX25 | Acquired | checked 2026-08-17 |
| QFEX 24/7 Global Stock Exchange | Fintech24/7 global stock exchange | Y CombinatorX25 | Active | checked 2026-08-23 |
| QualGentAI AI Mobile App Quality Assurance Tester | Vertical AI agentsAI QA testing for mobile apps | Y CombinatorX25 | Active | checked 2026-08-28 |
| RaloAI AI-Native Mortgage Broker | FintechAI-native mortgage brokerage | Y CombinatorX25 | Active | checked 2026-08-23 |
| RefreshAI Training gyms for computer use and software engineering work | Agent infrastructureRL training environments for agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| Rimba Streamlining Data Capture to Report Creation for Heavy Industries | Data for AIData integration and ETL for industrial operations | Y CombinatorX25 | Active | checked 2026-08-23 |
| RunRLAI Reinforcement learning as a service | Agent infrastructureRL optimization for LLM agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| Scalar FieldAI Your Agentic Trading Desk — Building the next era of agentic… | Fintechagentic trading platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| sieveAI AI + human review to solve data cleaning - accessible via API or Excel | Data for AIAI-powered data cleaning for finance | Y CombinatorX25 | Active | checked 2026-08-23 |
| SimAI The AI Workspace for Building and Managing AI Agents. | Agent infrastructureAI agent workflow orchestration | Y CombinatorX25 | Active | checked 2026-08-23 |
| SixtyfourAI Intelligence Infrastructure on People and Entities | Agent infrastructureAI agent infrastructure for intelligence | Y CombinatorX25 | Active | checked 2026-08-23 |
| StarSlingAI Self-Driving CI: fast AI-native GitHub Actions runners | Developer toolsAI-optimized CI/CD runners | Y CombinatorX25 | Active | checked 2026-08-23 |
| stratifyAI AI agents that help you understand your customers' needs | Vertical AI agentsAI user research automation | Y CombinatorX25 | Active | checked 2026-08-23 |
| Sureform Real-world data for multimodal and embodied AI | Data for AIReal-world data collection for robotics | Y CombinatorX25 | Active | checked 2026-08-23 |
| Sygaldry Technologies quantum-accelerated AI servers | AI infra and computequantum-accelerated AI inference | Y CombinatorX25 | Active | checked 2026-08-23 |
| Synthio LabsAI Agentic AI platform for Pharma GTM teams | Vertical AI agentsAI agents for pharma commercial | Y CombinatorX25 | Active | checked 2026-08-23 |
| TegoreAI Your new AI-powered math tutor. | ConsumerAI-powered math tutoring | Y CombinatorX25 | Active | checked 2026-08-23 |
| Text.aiAI Alfi - your group chat with social skills to bring friends closer | ConsumerAI-powered group chat assistant | Y CombinatorX25 | Active | checked 2026-08-23 |
| The Robot Learning CompanyAI Tools for the next era of physical automation. | Robotics and physical worldrobot learning and automation tools | Y CombinatorX25 | Active | checked 2026-08-23 |
| TheoremAI Program verification so even your systems engineers can vibecode | Developer toolsAI-powered program verification | Y CombinatorX25 | Active | checked 2026-08-23 |
| ThetaAI Specialized AI for Every Job | Vertical AI agentsVertical AI agents platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| Third ChairAI AI-Native IP Enforcement Agent | Vertical AI agentsAI IP enforcement and licensing | Y CombinatorX25 | Active | checked 2026-08-23 |