Y Combinator companies
The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,197 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| antimattrAI voice-first hardware interface for human-agent interaction | Agent infrastructurevoice hardware for agent interaction | Y CombinatorF26 | Active | checked 2026-08-23 |
| herdr building the open agent runtime | Agent infrastructureAgent orchestration and runtime management | Y CombinatorF26 | Active | checked 2026-08-23 |
| SimanticAI Firmware simulation for AI agents | Agent infrastructureHardware simulation for AI agents | Y CombinatorF26 | Active | checked 2026-08-23 |
| 6thSenseAI Nervous System for Physical AI | Agent infrastructureNervous system for physical AI coordination | Y CombinatorS26 | Active | checked 2026-08-23 |
| Agnost AIAI Product Analytics for Conversational Agents | Agent infrastructureAI agent analytics and optimization | Y CombinatorS26 | Active | checked 2026-08-23 |
| Akon LabsAI Nervous System for AI Agents | Agent infrastructureAgent nervous system and orchestration | Y CombinatorS26 | Active | checked 2026-08-23 |
| Alkera AIAI Reliable and safe data engineering and data science agents | Agent infrastructureData engineering agent orchestration | Y CombinatorS26 | Active | checked 2026-08-23 |
| Amulet High performance file system for agents | Agent infrastructureHigh-performance filesystem for AI agents | Y CombinatorS26 | Active | checked 2026-08-23 |
| ArchalAI API sandboxes, built for AI agents | Agent infrastructureAI agent testing and self-repair | Y CombinatorS26 | Active | checked 2026-08-23 |
| BuildboxAI Understand how users experience your AI agents | Agent infrastructureAI agent analytics and monitoring | Y CombinatorS26 | Active | checked 2026-08-23 |
| CerenovusAI AI that finds value creation opportunities across enterpriseā¦ | Agent infrastructureAI-ready knowledge graph platform | Y CombinatorS26 | Active | checked 2026-08-23 |
| ClickAI Research services for ChatGPT and Claude | Agent infrastructureResearch and context APIs for AI agents | Y CombinatorS26 | Active | checked 2026-08-23 |
| CoArenaAI The biggest crowdsourced benchmark for Computer-Use | Agent infrastructureComputer use agent orchestration | Y CombinatorS26 | Active | checked 2026-08-23 |
| Codag Log compression for agents. | Agent infrastructureLog compression for agents | Y CombinatorS26 | Active | checked 2026-08-23 |
| Context.devAI We give AI agents realtime web context. | Agent infrastructureReal-time web data API for AI agents | Y CombinatorS26 | Active | checked 2026-08-23 |
| DaqstraAI AI-native test infrastructure to accelerate hardware companies. | Agent infrastructureAI orchestration for physical R&D testing | Y CombinatorS26 | Active | checked 2026-08-23 |
| Decawork The Agent Control Plane for IT teams | Agent infrastructureAI agent deployment and governance platform | Y CombinatorS26 | Active | checked 2026-08-23 |
| DialogusAI Infra for enterprise voice agents. | Agent infrastructureVoice agent deployment infrastructure | Y CombinatorS26 | Active | checked 2026-08-23 |
| Egoist MachinesAI Secure, user-owned context for every AI app | Agent infrastructurePersonal AI memory and context layer | Y CombinatorS26 | Active | checked 2026-08-23 |
| ExecutorAI The open source integration management layer for AI. | Agent infrastructureMCP gateway and integration management | Y CombinatorS26 | Active | checked 2026-08-23 |
| Financial DatasetsAI Connect your agent to the stock market | Agent infrastructureFinancial data API for agents | Y CombinatorS26 | Active | checked 2026-08-23 |
| GitCafe The Git forge for the next hundred billion commits | Agent infrastructureGit infrastructure for AI agents | Y CombinatorS26 | Active | checked 2026-08-23 |
| GlenAI Institutional knowledge for every agent in your company. | Agent infrastructureunified context layer for agents | Y CombinatorS26 | Active | checked 2026-08-23 |
| hardware intelligenceAI AI tools for the chips your AI runs on | Agent infrastructureAI chip optimization and hardware tooling | Y CombinatorS26 | Active | checked 2026-08-23 |
| hiloopAI Infrastructure for recursive self-improvement | Agent infrastructureAgent training and optimization infrastructure | Y CombinatorS26 | Active | checked 2026-08-23 |
| HilstartAI Autonomous Hardware Testing | Agent infrastructureAI-powered hardware testing automation | Y CombinatorS26 | Active | 2026-07-31 |
| InkboxAI The identity and communication layer for AI agents | Agent infrastructureAgent communication and identity management | Y CombinatorS26 | Active | checked 2026-08-23 |
| InstanceAI Automated evals for robot policies | Agent infrastructureRobot policy evaluation automation | Y CombinatorS26 | Active | checked 2026-08-23 |
| machine0 Cloud computers for AI agents | Agent infrastructureCloud compute provisioning for agents | Y CombinatorS26 | Active | checked 2026-08-23 |
| MagmaAI Monetize your agent's traces. | Agent infrastructureAgent monetization and trace platform | Y CombinatorS26 | Active | checked 2026-08-23 |
| MireyeAI Infrastructure for Physical World AI Agents | Agent infrastructurePhysical world data infrastructure for AI agents | Y CombinatorS26 | Active | checked 2026-08-23 |
| MosaicAI Defining the frontier of multiplayer AI. | Agent infrastructureMultiplayer AI memory and orchestration | Y CombinatorS26 | Active | checked 2026-08-23 |
| OneCLI Give every employee a secured, sandboxed pro assistant agent | Agent infrastructurecredential isolation for AI agents | Y CombinatorS26 | Active | 2026-08-19 |
| Ooak DataAI We turn company data into training data | Agent infrastructureAI agent training environments | Y CombinatorS26 | Active | checked 2026-08-23 |
| OpenVectorAI AI that turns any camera to an autonomous worker with real-time vision | Agent infrastructureVision-based autonomous agents infrastructure | Y CombinatorS26 | Active | checked 2026-08-23 |
| RindlerAI The translation layer between AI agents and the web | Agent infrastructureWeb automation for AI agents | Y CombinatorS26 | Active | checked 2026-08-23 |
| screenpipeAI AI powered by everything you've seen, said or heard | Agent infrastructureDevice-local AI memory and context infrastructure | Y CombinatorS26 | Active | checked 2026-08-23 |
| Snap PokerAI The social network for online poker | Agent infrastructureRL environments for AI agents | Y CombinatorS26 | Active | checked 2026-08-23 |
| SpaceFlow Technologies, Inc.AI The managed runtime for enterprise AI agents | Agent infrastructureAI agent runtime and orchestration | Y CombinatorS26 | Active | checked 2026-08-23 |
| SpekoAI A router for voice models. One key, every model. | Agent infrastructureVoice AI routing and orchestration | Y CombinatorS26 | Active | checked 2026-08-23 |
| TrustAIAI The cheapest, fastest lightweight inference. | Agent infrastructureAI agent governance and compliance | Y CombinatorS26 | Active | checked 2026-08-23 |
| Waddle LabsAI Agents for robotics control. | Agent infrastructureAI agents for robotics control | Y CombinatorS26 | Active | checked 2026-08-23 |
| AgentPhoneAI Phone Numbers for AI Agents | Agent infrastructurePhone identity for AI agents | Y CombinatorX26 | Active | checked 2026-08-23 |
| AllowanceAI The spend control layer for AI agents | Agent infrastructureAI agent payment infrastructure | Y CombinatorX26 | Active | checked 2026-08-23 |
| Ardent Database sandboxes for Agents | Agent infrastructureDatabase sandboxing for AI agents | Y CombinatorX26 | Active | checked 2026-08-23 |
| Arga Labs Real-world sandboxes to test and train AI agents | Agent infrastructureAgent testing and sandbox environments | Y CombinatorX26 | Active | checked 2026-08-23 |
| ArmatureAI Improve how users experience your product through AI Agents | Agent infrastructureAI agent analytics and testing infrastructure | Y CombinatorX26 | Active | checked 2026-08-23 |
| BentoLabs AIAI Monitoring and learning layer for long-running agents | Agent infrastructureAgent monitoring and observability | Y CombinatorX26 | Active | checked 2026-08-23 |
| BloomAI The brand layer for agents. | Agent infrastructureBrand standardization and compliance for AI agents | Y CombinatorX26 | Active | checked 2026-08-23 |
| Chert iMessage infrastructure for business | Agent infrastructureiMessage automation infrastructure | Y CombinatorX26 | Active | checked 2026-08-23 |
| Chronicle LabsAI Staging Environments for Enterprise AI Agents | Agent infrastructureTesting and staging for AI agents | Y CombinatorX26 | Active | checked 2026-08-23 |
| ClawvisorAI The Authorization Layer for AI Agents | Agent infrastructureAuthorization and governance for AI agents | Y CombinatorX26 | Active | checked 2026-08-23 |
| General InstinctAI Inference Infrastructure for Physical AI | Agent infrastructureInference infrastructure for physical AI | Y CombinatorX26 | Active | checked 2026-08-23 |
| GigacatalystAI AI-first embedded analytics and reports for customer success | Agent infrastructureIn-app AI customization and feature building | Y CombinatorX26 | Active | checked 2026-08-23 |
| HumworkAI Human experts as API for AI Agents | Agent infrastructureHuman-in-the-loop execution for AI agents | Y CombinatorX26 | Active | checked 2026-08-23 |
| HyperAI Company brain that powers your AI employees | Agent infrastructureKnowledge graph and memory for AI agents | Y CombinatorX26 | Active | checked 2026-08-23 |
| InsForgeAI The agent-native AWS | Agent infrastructureCloud infrastructure for AI agents | Y CombinatorX26 | Active | checked 2026-08-23 |
| Keyframe LabsAI Bring AI to life with the world's best interactive avatars | Agent infrastructureAvatar and embodiment infrastructure for AI agents | Y CombinatorX26 | Active | checked 2026-08-23 |
| Limrun Extend cloud sandboxes with iOS, Android and more | Agent infrastructurecloud development environment orchestration | Y CombinatorX26 | Active, new domain | 2026-08-23 |
| LinzumiAI Team chat to command all your company's coding agents | Agent infrastructureAI agent orchestration and coordination platform | Y CombinatorX26 | Active | checked 2026-08-23 |
| Memory StoreAI Company Brain. | Agent infrastructureShared memory platform for AI agents | Y CombinatorX26 | Active | checked 2026-08-23 |
| MinicorAI Scalable windows desktop automations | Agent infrastructuredesktop automation orchestration for AI agents | Y CombinatorX26 | Active | checked 2026-08-23 |
| OpenProseAI An open-source operating system for reliable long-running agents | Agent infrastructureAgent workflow orchestration and runtime | Y CombinatorX26 | Active | checked 2026-08-23 |
| PentagonAI The control plane for agent-native work. | Agent infrastructureAgent coordination and workspace platform | Y CombinatorX26 | Active | checked 2026-08-23 |
| primitive communication for agents | Agent infrastructureAgent communication infrastructure | Y CombinatorX26 | Active | checked 2026-08-23 |
| ProjectXAI Agent native workspace for heavy parallel workflows on the web | Agent infrastructureParallel multi-agent OS infrastructure | 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 |
| 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 |
| RuntimeAI Build and run internal agents, without managing the infrastructure | Agent infrastructurecoding agent orchestration and governance | 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 |
| SilmarilAI Security for agents that self-improves | Agent infrastructureAI agent security and monitoring | Y CombinatorX26 | Active | checked 2026-08-23 |
| StableBrowseAI Help frontier labs build better models. | Agent infrastructureModel evaluation and testing infrastructure | 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 |
| WatoAI The control point for AI agents at work. | Agent infrastructureAI agent orchestration and memory | 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 |
| Agentic FabriqAI The control plane for AI agents. | Agent infrastructureAI agent access control and identity | 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 |
| Byteport Global upload acceleration for 1GB-100TB files. | Agent infrastructureFile transfer acceleration infrastructure | 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 |
| CompresrAI LLM context compression for better accuracy | Agent infrastructureLLM context compression API | Y CombinatorW26 | Active | checked 2026-08-23 |
| CorveraAI The context layer for AI-native CPG brands | Agent infrastructureMCP data layer for brands | Y CombinatorW26 | Active | checked 2026-08-23 |
| EmdashAI Open-source Agentic Development Environment | Agent infrastructureagentic development environment and orchestration | Y CombinatorW26 | Active | checked 2026-08-23 |
| EnvariantAI Interpretability and reasoning infra for foundation models. | Agent infrastructureAI model interpretability and reasoning infrastructure | Y CombinatorW26 | Active | checked 2026-08-23 |
| FernAI RL environments for robotics companies | Agent infrastructureRL simulation and policy optimization for robotics | Y CombinatorW26 | Active | checked 2026-08-23 |
| JinbaAI Automate enterprise workflows through chat | Agent infrastructureWorkflow automation platform via natural language | Y CombinatorW26 | Active | checked 2026-08-23 |
| Klaus AIAI Fast and Safe OpenClaw on the cloud | Agent infrastructureCloud-hosted agent deployment and management | Y CombinatorW26 | Active | checked 2026-08-23 |
| Maven Payments Infrastructure for Voice Agents | Agent infrastructureVoice agent payments infrastructure | Y CombinatorW26 | Active | checked 2026-08-23 |
| ModaAI The continual learning layer for AI agents. | Agent infrastructurecontinual learning and monitoring for AI agents | Y CombinatorW26 | Active | checked 2026-08-23 |
| OrthogonalAI Agentic Payments for APIs | Agent infrastructureagentic payment infrastructure for APIs | Y CombinatorW26 | Active | checked 2026-08-23 |
| OximyAI Take command of the AI your company already runs on. | Agent infrastructureAI tool orchestration and cost management | Y CombinatorW26 | Active | checked 2026-08-23 |
| PolymathAI Simulation environments to train & evaluate long-horizon AI agents | Agent infrastructureSimulation environments for agent training | Y CombinatorW26 | Active | checked 2026-08-23 |
| RamAInAI Automate any UI task with natural language | Agent infrastructureUI automation and RPA orchestration | Y CombinatorW26 | Active | checked 2026-08-23 |
| Ressl AIAI Train, eval and build autonomous agents | Agent infrastructureAgent training and evaluation platform | Y CombinatorW26 | Active | checked 2026-08-23 |
| Rhizome AIAI Agent Platform for Life Sciences | Agent infrastructureLife sciences research agent platform | Y CombinatorW26 | Active | checked 2026-08-23 |
| Rubric AIAI Reasoning and verification infra for AI | Agent infrastructurereasoning and verification infrastructure | Y CombinatorW26 | Active | - |
| RunAnywhereAI The default way of running on-device AI at Scale | Agent infrastructureEdge AI model deployment and management | Y CombinatorW26 | Active | checked 2026-08-23 |
| SalusAI Guardrails to validate your agent's actions before they execute | Agent infrastructureAgent action validation and guardrails | Y CombinatorW26 | Active | checked 2026-08-23 |
| SentrialAI Datadog for Agent Reliability | Agent infrastructureAI agent monitoring and debugging | Y CombinatorW26 | Active | checked 2026-08-23 |
| SilaAI Agent-Native Messaging Platform | Agent infrastructureAgent communication and messaging platform | Y CombinatorW26 | Active | checked 2026-08-23 |