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 |
|---|---|---|---|---|
| ProjectXAI Agent native workspace for heavy parallel workflows on the web | Agent infrastructureParallel multi-agent OS infrastructure | Y CombinatorX26 | Active | checked 2026-08-23 |
| Prototyping.ioAI Autonomous manufacturing for mechanical parts | Robotics and physical worldAI-driven manufacturing automation | Y CombinatorX26 | Active | checked 2026-08-23 |
| qomplementAI The Agentic ERP for supply chain operations | Vertical AI agentsagentic ERP for supply chain operations | Y CombinatorX26 | Active | checked 2026-08-23 |
| RASPIREAI Autonomous Runtime Security | Security and complianceAI-powered runtime threat detection | Y CombinatorX26 | Active | checked 2026-08-23 |
| ReasonBlocksAI The runtime layer that makes AI agents cheaper and more reliable | Agent infrastructureAI agent runtime optimization | Y CombinatorX26 | Active | checked 2026-08-23 |
| Regbase Automating Corporate Compliance, Worldwide | Security and complianceCompliance automation platform | Y CombinatorX26 | Active | checked 2026-08-23 |
| RentAHumanAI Marketplace for AI agents to hire humans. | Agent infrastructureAI agent workforce marketplace | Y CombinatorX26 | Active | checked 2026-08-23 |
| ReplicasAI Run any coding agent harness in the cloud | Agent infrastructureAI agent orchestration and execution | Y CombinatorX26 | Active | checked 2026-08-23 |
| Result Where new internet entrepreneurs build and run their companies | B2B SaaSAll-in-one platform for startup founders | Y CombinatorX26 | Active | checked 2026-08-23 |
| RevnuAI The growth infrastructure for the autonomous business | Vertical AI agentsAI growth and GTM automation | Y CombinatorX26 | Active | checked 2026-08-23 |
| River Markets Prime brokerage for prediction markets | Fintechprediction markets prime brokerage | Y CombinatorX26 | Active | checked 2026-08-23 |
| RudusAI AI Takeoffs for Concrete | Vertical AI agentsAI takeoff estimation for concrete contractors | Y CombinatorX26 | Active | checked 2026-08-23 |
| RuntimeAI Build and run internal agents, without managing the infrastructure | Agent infrastructurecoding agent orchestration and governance | Y CombinatorX26 | Active | checked 2026-08-23 |
| Saffron Helping your company find 10x engineers. | Developer toolsAI-assisted engineering evaluation | Y CombinatorX26 | Active | checked 2026-08-23 |
| SalesgraphAI Proactive revenue agents that move enterprise deals forward | Vertical AI agentsRevenue automation for enterprise sales | Y CombinatorX26 | Active | checked 2026-08-23 |
| Saudara AIAI AI Native Sourcing Broker For Overseas Manufacturing | Commerce and marketplacesAI-powered manufacturing sourcing and procurement | Y CombinatorX26 | Active | checked 2026-08-23 |
| SavantAI Company brain every AI-native enterprise runs on | Agent infrastructureKnowledge management for AI agents | Y CombinatorX26 | Active | checked 2026-08-23 |
| SazabiAI The AI-native observability platform for fast-moving engineering teams | AI infra and computeAI-native observability and monitoring | Y CombinatorX26 | Active | checked 2026-08-23 |
| ScopeAI We help software companies get discovered and used by AI agents | Developer toolsAI agent discoverability and optimization | Y CombinatorX26 | Active | checked 2026-08-23 |
| SherpaAI Make websites improve themselves. | B2B SaaSAI-powered conversion optimization platform | Y CombinatorX26 | Active | checked 2026-08-23 |
| shotwell.aiAI Annotations for robotics data | Data for AIRobotics data annotation and QA | Y CombinatorX26 | Active | checked 2026-08-23 |
| SilmarilAI Security for agents that self-improves | Agent infrastructureAI agent security and monitoring | Y CombinatorX26 | Active | checked 2026-08-23 |
| SmartbaseAI AI-native ERP for manufacturers | B2B SaaSAI-native ERP for manufacturers | Y CombinatorX26 | Site unreachable | checked 2026-08-17 |
| smol machines Ship software faster with portable, self contained virtual machines. | Developer toolsportable VM containerization for developers | Y CombinatorX26 | Active | checked 2026-08-23 |
| SoriaAI AI Financial Research Terminal built for Healthcare (and beyond) | FintechAI research terminal for healthcare investors | Y CombinatorX26 | Active | checked 2026-08-23 |
| StableBrowseAI Building the Data Infrastructure layer for Physical AI. | Agent infrastructureModel evaluation and testing infrastructure | Y CombinatorX26 | Active | checked 2026-08-23 |
| StageAI Code review platform for humans and agents | Developer toolsAI-aware code review platform | Y CombinatorX26 | Active | checked 2026-08-23 |
| Standard SignalAI Hedge fund where AI researches and executes every trade end-to-end | FintechAI-powered hedge fund | Y CombinatorX26 | Active | checked 2026-08-23 |
| StandoutAI Agentic hiring marketplace | Vertical AI agentsagentic hiring marketplace | Y CombinatorX26 | Active | checked 2026-08-23 |
| SuperlogAI Make software self-healing | Developer toolsAI-native observability and auto-remediation | Y CombinatorX26 | Active | checked 2026-08-23 |
| SupersetAI Building self-improving software | Developer toolsIDE for AI coding agents | Y CombinatorX26 | Active | 2026-08-14 |
| Surtr Defense Systems The hardware-agnostic operating system for drone defense | Defense and spaceCounter-UAS OS and threat fusion | Y CombinatorX26 | Active | checked 2026-08-23 |
| Synphony robots & software for farms | Robotics and physical worldautonomous agricultural harvesting robots | Y CombinatorX26 | Active | checked 2026-08-23 |
| TaigaAI Autonomous medical billing | Vertical AI agentsAI medical billing automation | Y CombinatorX26 | Active | checked 2026-08-23 |
| TakeCareOSAI AI-native operating system for long term care providers | Vertical AI agentsAI operating system for long-term care providers | Y CombinatorX26 | Active | checked 2026-08-23 |
| TaskletAI Agents that own the work | Horizontal AI assistantsAI agents for workflow automation | Y CombinatorX26 | Active | checked 2026-08-23 |
| tday.comAI AI that turns your product into on-brand marketing content | Vertical AI agentsAI content generation for product marketing | Y CombinatorX26 | Active | checked 2026-08-23 |
| Tenet Industries Low-cost, mass-producible defense systems | Defense and spacemass-producible attack drones | Y CombinatorX26 | Active | checked 2026-08-23 |
| TesterArmyAI Test your app with AI, catch bugs before users do | Vertical AI agentsAI testing agent for software development | Y CombinatorX26 | Active | checked 2026-08-23 |
| The Company CompanyAI The last agent your company will ever need. | Agent infrastructureAgent orchestration and company infrastructure | Y CombinatorX26 | Active | checked 2026-08-23 |
| ThomasAI The first AI founder: a virtual human who runs his own companies. | Horizontal AI assistantsAI founder agent for business | Y CombinatorX26 | Active | checked 2026-08-23 |
| TolmoAI Tolmo is the AI security platform that secures every layer of cloud… | Security and complianceAI-driven cloud security agents | Y CombinatorX26 | Active | checked 2026-08-23 |
| Totalis derivative layer for prediction markets | Fintechprediction market derivatives | Y CombinatorX26 | Active | checked 2026-08-23 |
| transloadAI Measure freight with security cameras | Commerce and marketplacesfreight measurement via computer vision | Y CombinatorX26 | Active | checked 2026-08-23 |
| TrellisAI Agents that run short-term rental operations end-to-end | Vertical AI agentsShort-term rental operations agents | Y CombinatorX26 | Active | checked 2026-08-23 |
| TwolabsAI Humanoid robot platform for builders. | Robotics and physical worldHumanoid robot training platform | Y CombinatorX26 | Active | checked 2026-08-23 |
| Uno Wallet The AI mobile wallet that replaces Apple Pay | FintechAI-powered mobile payments wallet | Y CombinatorX26 | Active | checked 2026-08-23 |
| UserlensAI Agents that renew and expand six and seven-figure enterprise software | Vertical AI agentsAI customer success manager for enterprises | Y CombinatorX26 | Active | checked 2026-08-23 |
| ValCtrlAI ValCtrl is building the only intelligent prediction market | Fintechintelligent prediction markets | Y CombinatorX26 | Active | checked 2026-08-23 |
| VoquillAI The agentic OS for medical labs | Vertical AI agentsAI OS for medical labs | Y CombinatorX26 | Active | checked 2026-08-23 |
| WalterAI AI Employee for Manufacturing Operations | Vertical AI agentsAI operations agent for manufacturing | Y CombinatorX26 | Active | checked 2026-08-23 |
| WatoAI The control point for AI agents at work. | Agent infrastructureAI agent orchestration and memory | Y CombinatorX26 | Active | checked 2026-08-23 |
| WealorAI AI-native platform for wealth managers | Vertical AI agentsAI wealth management platform | Y CombinatorX26 | Active | checked 2026-08-23 |
| YouArtAI Patreon for AI Originals | ConsumerAI creator funding platform | Y CombinatorX26 | Active | checked 2026-08-23 |
| ZenbuAI The extensible IDE for coding agents | Agent infrastructureIDE for orchestrating coding agents | Y CombinatorX26 | Active, new domain | 2026-08-23 |
| Zibra Labs Distributed runtime for AI workloads at scale | AI infra and computedistributed compute for AI workloads | Y CombinatorX26 | Active | checked 2026-08-23 |
| ZolvoAI AI Back-Office Automation for Commercial Lenders | Vertical AI agentsAI back-office automation for commercial lenders | Y CombinatorX26 | Active | checked 2026-08-23 |
| /dev/fastAI /dev/fast is the AI-native code forge | Developer toolsAI-native code generation and review | Y CombinatorW26 | Active | checked 2026-08-23 |
| 10x ScienceAI The AI-native platform for next-generation protein characterization. | Healthcare and bioAI protein characterization for drug development | Y CombinatorW26 | Active | checked 2026-08-23 |
| 21st UI building blocks for the agentic internet | Developer toolsReact components for AI agents | Y CombinatorW26 | Active | checked 2026-08-23 |
| AemonAI The Forward-Deployed AI Research Engineer | Vertical AI agentsautonomous AI research engineer | Y CombinatorW26 | Active | checked 2026-08-23 |
| Agentic FabriqAI The control plane for AI agents. | Agent infrastructureAI agent access control and identity | Y CombinatorW26 | Active | checked 2026-08-23 |
| Alt-XAI Building the best venue for private markets exposure. | FintechAI-powered private markets liquidity | Y CombinatorW26 | Active | checked 2026-08-23 |
| Anchorhead Fractional buyer for hardware companies in critical industries | B2B SaaSFractional procurement for hardware manufacturers | Y CombinatorW26 | Inactive | checked 2026-08-17 |
| ApproximaAI Your software should build itself. | Vertical AI agentsAI agents for software development | Y CombinatorW26 | Active | checked 2026-08-23 |
| ARC Prize FoundationAI AI benchmarks that measure general intelligence and inspire new ideas | Data for AIAI benchmarking and evaluation | Y CombinatorW26 | Active | checked 2026-08-23 |
| AshrAI Automated Multi-Modal Testing for Agents | Agent infrastructureAI agent testing and evals platform | Y CombinatorW26 | Active | checked 2026-08-23 |
| Asimov Real-world human movement data for humanoid robots | Robotics and physical worldhumanoid robot training data | Y CombinatorW26 | Active | checked 2026-08-23 |
| Aurorin CADAI Claude code for Mechanical Engineers | Developer toolsAI-native CAD for mechanical engineers | Y CombinatorW26 | Active | checked 2026-08-23 |
| AutoSituAI AI-native workspace for development plan reviews | Vertical AI agentsAI agents for municipal development review | Y CombinatorW26 | Active | checked 2026-08-23 |
| Autumn AI Stalk your prospects at scale. | B2B SaaSSales intelligence and intent signals | Y CombinatorW26 | Active, new domain | 2026-08-23 |
| AvoiceAI Harvey for Architecture | Vertical AI agentsAI automation for architecture firms | Y CombinatorW26 | Active | checked 2026-08-23 |
| AxionOrbital SpaceAI Foundation models for 24/7 Earth Observation | AI infra and computeFoundation models for satellite imagery | Y CombinatorW26 | Active | checked 2026-08-23 |
| AxisAI An AI Copilot for Trading Desks | Vertical AI agentsAI trading assistant for commodities | Y CombinatorW26 | Active | checked 2026-08-23 |
| BalanceAI Full-Stack AI Accounting | Vertical AI agentsAI accounting and bookkeeping for SMBs | Y CombinatorW26 | Active | checked 2026-08-23 |
| BaseFrameAI Detect what AI can automate for your team | Horizontal AI assistantsWorkflow automation discovery platform | Y CombinatorW26 | Site unreachable | checked 2026-08-17 |
| Beacon HealthAI AI Employees for Primary Care | Vertical AI agentsAI automation for primary care workflows | Y CombinatorW26 | Active | checked 2026-08-23 |
| BeeSafe AIAI Frontier AI Defenses for Social Engineering Attacks | Security and complianceAI defense against social engineering | Y CombinatorW26 | Active | checked 2026-08-23 |
| Beyond Reach Labs Space solar arrays that grow to the size of a football field in orbit | Defense and spaceSpace solar power generation | Y CombinatorW26 | Active | checked 2026-08-23 |
| BidflowAI AI Takeoffs for Electrical | Vertical AI agentsAI bidding for electrical contractors | Y CombinatorW26 | Active | checked 2026-08-23 |
| Booko Dynamically pricing the whole economy. | B2B SaaSdynamic pricing for bookable services | Y CombinatorW26 | Active | checked 2026-08-24 |
| Brumby (Formerly GrazeMate)AI Robot Cowboys that Herd Cattle with AI Drones | Robotics and physical worldautonomous herding drones for livestock | Y CombinatorW26 | Active | - |
| Bubble Lab Operating system for premium professional communities | B2B SaaSCommunity management platform for professionals | Y CombinatorW26 | Active | checked 2026-08-23 |
| BurtAI AI teammates for logistics | Vertical AI agentsAI agents for freight brokers | Y CombinatorW26 | Active | checked 2026-08-24 |
| Button ComputerAI The tiny computer built for voice AI. | Robotics and physical worldVoice AI wearable hardware | Y CombinatorW26 | Active | checked 2026-08-23 |
| Byteport Global upload acceleration for 1GB-100TB files. | Agent infrastructureFile transfer acceleration infrastructure | Y CombinatorW26 | Active | checked 2026-08-23 |
| CajalAI Scaling formal verification to accelerate scientific discovery | Vertical AI agentsAI mathematicians for formal verification | Y CombinatorW26 | Active | checked 2026-08-23 |
| CanaryAI The first AI QA engineer that understands your code | Developer toolsAI-powered QA and testing automation | Y CombinatorW26 | Active | checked 2026-08-23 |
| CaptainAI Accurate, high-performance retrieval for AI agents | Data for AIMultimodal retrieval infrastructure for AI agents | Y CombinatorW26 | Active | checked 2026-08-23 |
| CardboardAI Agentic video editor | Vertical AI agentsAI video editing for marketing teams | Y CombinatorW26 | Active | checked 2026-08-23 |
| CardinalAI Revenue Agents for GTM teams | Vertical AI agentsRevenue agents for GTM teams | Y CombinatorW26 | Active | checked 2026-08-23 |
| CarettaAI Realtime AI for Sales Calls | Horizontal AI assistantsAI sales call assistant | Y CombinatorW26 | Active | checked 2026-08-23 |
| Carrot LabsAI AI Cost Management: Track and attribute AI spend across every provider | AI infra and computeAI spend management and optimization | Y CombinatorW26 | Active | checked 2026-08-23 |
| CascadeAI Distilling Proprietary Intelligence | AI infra and computeModel fine-tuning and optimization | Y CombinatorW26 | Active | checked 2026-08-17 |
| CatchBack Cards The most thrilling way to create and rip digital collectible packs | Consumerdigital collectible trading platform | Y CombinatorW26 | Active | checked 2026-08-23 |
| CellTypeAI The agentic drug company. We simulate human biology. | Vertical AI agentsAI agents for drug discovery | Y CombinatorW26 | Active | checked 2026-08-23 |
| ChamberAI The AIOps Agent for ML Teams | Agent infrastructureAIOps agents for ML infrastructure | Y CombinatorW26 | Active | checked 2026-08-23 |
| ChasiAI AI Revenue Engine for the Equipment Industry | Vertical AI agentsAI sales agents for equipment dealers | Y CombinatorW26 | Active | checked 2026-08-23 |
| ClaimGlideAI AI automated prior-auths for private medical practices | Vertical AI agentsAI prior-authorization automation for practices | Y CombinatorW26 | Active | checked 2026-08-23 |
| CodeWispAI Anyone can create real games with AI | Developer toolsAI game development platform | Y CombinatorW26 | Active | checked 2026-08-24 |