Active companies
Companies their accelerator lists as active, or whose site is alive. 17,200 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| 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 |
| SkillsyncAI Move context across agents and teammates | Agent infrastructureAgent session management and knowledge sharing | Y CombinatorW26 | Active | checked 2026-08-23 |
| SpongeAI Financial infrastructure for the agent economy | Agent infrastructureagent payments and banking | Y CombinatorW26 | Active | checked 2026-08-23 |
| Talking ComputersAI AI for AI Infrastructure | Agent infrastructureAI infrastructure optimization agents | Y CombinatorW26 | Active | checked 2026-08-23 |
| The Token CompanyAI Compression middleware that improves LLM outputs | Agent infrastructureLLM context compression middleware | Y CombinatorW26 | Active | checked 2026-08-23 |
| TraverseAI Research lab solving non-verifiable work | Agent infrastructureNon-verifiable work automation | Y CombinatorW26 | Active | checked 2026-08-23 |
| VOYGRAI Real-world place intelligence for AI apps and agents | Agent infrastructureplace intelligence API for AI agents | Y CombinatorW26 | Active | checked 2026-08-23 |
| Zatanna Turning all software into agent-first APIs | Agent infrastructureReverse-engineered APIs for legacy software | Y CombinatorW26 | Active | checked 2026-08-23 |
| AlikeAI The Agent Collaboration Layer for Enterprises | Agent infrastructureAgent collaboration and orchestration platform | a16z speedrunSR006 | Active | checked 2026-08-23 |
| BotaAI Bridging AI agents and the real world: $0 --> $710K cARR in 5 weeks | Agent infrastructureReal-world context for AI agents | a16z speedrunSR006 | Active | checked 2026-08-23 |
| Duplex AIAI Natural, full-duplex voice AI for enterprises | Agent infrastructureFull-duplex voice AI platform | South Park Commons | Active | checked 2026-08-23 |
| ModaicAI Verification & alignment infra for AI decisions. MIT / BU team, design partnerships with Accenture, Dropbox, and Vercel. | Agent infrastructureAI decision verification and alignment | a16z speedrunSR006 | Active | checked 2026-08-23 |
| OasisAI The AI-Native Organization built by Ex-Palantir FDEs | Agent infrastructureHuman-agent team orchestration platform | a16z speedrunSR006 | Active | checked 2026-08-23 |
| SentraAI The foundational memory for Enterprise General Intelligence. | Agent infrastructureenterprise memory and context layer | a16z speedrunSR006 | Active | checked 2026-08-23 |
| VariantNowAI AI Infrastructure for the Adaptive Web. $600K ARR in 3 months | Agent infrastructureReal-time decisioning and generation layer | a16z speedrunSR006 | Active | checked 2026-08-23 |
| LyzrAI The agent infrastructure platform for building reliable AI Agents. | Agent infrastructureFull-stack agent framework and orchestration | Plug and PlayPnP 2025 | Active | checked 2026-08-23 |
| ZeaburAI Zeabur - Your AI DevOps Engineer | Agent infrastructureAI infrastructure automation and deployment | 500 Global | Active | checked 2026-08-23 |
| NebuAI NEBU - The Missing Brain For Your Cloud | Agent infrastructureCloud infrastructure intelligence | 500 Global | Active | checked 2026-08-23 |
| AmikaAI Infra to build your own software factory | Agent infrastructureAI coding agents infrastructure | Y CombinatorF25 | Active | checked 2026-08-23 |
| AsideAI The browser built to do real work for you | Agent infrastructureAI browser automation platform | Y CombinatorF25 | Active | checked 2026-08-23 |
| Bolna AIAI Voice AI to enable India's next billion | Agent infrastructureVoice AI orchestration platform | Y CombinatorF25 | Active | checked 2026-08-23 |
| dari.devAI The Routing Layer for AI Agents | Agent infrastructureAI agent routing and cost optimization | Y CombinatorF25 | Active | checked 2026-08-23 |
| hillclimbAI Training Data for Recursive Self-Improvement | Agent infrastructureAI agent training data for recursive improvement | Y CombinatorF25 | Active | checked 2026-08-23 |
| HyperspellAI Your Company Brain | Agent infrastructureContext management and memory for AI agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| Kestrel AIAI AI Agents for Platform Engineering | Agent infrastructureAI workflow automation for platform engineers | Y CombinatorF25 | Active | checked 2026-08-23 |
| LemmaAI Production Monitoring for AI agents | Agent infrastructureAI agent monitoring and observability | Y CombinatorF25 | Active | checked 2026-08-23 |
| LocusAI Payment infrastructure for AI agents | Agent infrastructurePayment rails for AI agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| Lua Global IncAI The mid-market agent platform | Agent infrastructureAgent orchestration and deployment platform | Y CombinatorF25 | Active | checked 2026-08-23 |
| MetorialAI Agentic infrastructure to power AI-native companies. | Agent infrastructureAI agent orchestration and governance | Y CombinatorF25 | Active | checked 2026-08-23 |
| MossAI Real-time semantic search for Conversational AI | Agent infrastructureReal-time semantic search for agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| MSPilotAI Turn AI adoption into a recurring revenue line. | Agent infrastructureAI agent deployment and monetization platform | Y CombinatorF25 | Active | checked 2026-08-23 |
| MultifactorAI Zero-trust authentication, authorization, and auditing for AI agents | Agent infrastructureAI agent security and access control | Y CombinatorF25 | Active | checked 2026-08-23 |
| NessieAI A shared context layer for you, your team, and your agents. | Agent infrastructureShared context and memory for AI agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| NexusAI We help non-technical teams build AI agents without engineers | Agent infrastructureno-code AI agent builder platform | Y CombinatorF25 | Active | checked 2026-08-23 |
| PerseusAI Applied Lab focused on Search in Latent Spaces. | Agent infrastructureSearch and retrieval for coding agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| RadiusAI Code and browse in the same place | Agent infrastructurebrowser automation and agent orchestration | Y CombinatorF25 | Active | checked 2026-08-23 |
| s2.dev API for unlimited, durable, real-time streams | Agent infrastructureDurable streams infrastructure for agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| Scott AIAI The planning layer for teams that build with coding agents | Agent infrastructureplanning and coordination for coding agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| SourcebotAI Helping humans and AI agents understand massive codebases | Agent infrastructurecode understanding for AI agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| Specific AWS for coding agents | Agent infrastructureCloud deployment for coding agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| The Context CompanyAI Monitor AI agents and understand user behavior | Agent infrastructureAI agent monitoring and observability | Y CombinatorF25 | Active | checked 2026-08-23 |
| The HogAI Real-time web intelligence API for AI agents and GTM teams | Agent infrastructureWeb intelligence API for agents | Y CombinatorF25 | Active | checked 2026-08-23 |
| TreliumAI The Agent to Build Your Agents | Agent infrastructureAgent orchestration and deployment platform | Y CombinatorF25 | Active | checked 2026-08-23 |
| VelvetAI Infra and data for interactive AI. | Agent infrastructureInteractive AI data infrastructure | Y CombinatorF25 | Active | checked 2026-08-23 |
| BotBotAI BotBot’ solution is built at the intersection of AI and customer experience. The focus is on creating a rich product experience, a UX layer, that can be horizontally used for various products within Applied AI. They are developing an Agentic AI to help AI teams deliver stickier product experienc... | Agent infrastructureAI product UX and experience layer | Plug and PlayPnP 2025 | Active | checked 2026-08-23 |
| AgentMailAI Email Inboxes for AI Agents | Agent infrastructureemail infrastructure for AI agents | Y CombinatorS25 | Active | checked 2026-08-23 |
| AlterAI Secure access control and authorization platform for agent workflows | Agent infrastructureIdentity and access control for AI agents | Y CombinatorS25 | Active | checked 2026-08-23 |
| Autumn Billing infrastructure for AI | Agent infrastructurebilling and payments infrastructure for AI apps | Y CombinatorS25 | Active | checked 2026-08-23 |
| BotBotAI Aligning AI to brand and outcomes: the UX layer for the AI era. | Agent infrastructureAI behavior tuning and analytics platform | a16z speedrunSR005 | Active | checked 2026-08-23 |
| BriefAI The AI Chief Product Officer | Agent infrastructureAI agent orchestration and decision-making | a16z speedrunSR005 | Active | checked 2026-08-23 |
| ContextFortAI Visibility and Controls for Browser Agents | Agent infrastructureAI agent observability and controls | Y CombinatorS25 | Active | checked 2026-08-23 |
| CyberdeskAI Self learning computer use agent for developers | Agent infrastructureComputer use automation for developers | Y CombinatorS25 | Active | checked 2026-08-23 |
| Dedalus LabsAI Compute substrate for AI agents | Agent infrastructureagent compute and execution platform | Y CombinatorS25 | Active | checked 2026-08-23 |
| FulcrumAI The agentic debugger for AI systems | Agent infrastructureAI agent debugging and red-teaming | Y CombinatorS25 | Active, new domain | 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 |
| 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 |
| 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 |
| MangoDeskAI Long-horizon RL environments | Agent infrastructureRL training environments for agents | Y CombinatorS25 | Active | checked 2026-08-23 |
| ManiacAI Pareto-Optimal AI at Scale, for Enterprise Intelligence You Own. | Agent infrastructureEnterprise AI model orchestration platform | a16z speedrunSR005 | Active | 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 |
| MonteAI Continual Learning for Agents | Agent infrastructureContinual learning infrastructure for agents | 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 |
| NozomioAI product lab. focused on personal ai and context. | Agent infrastructureAI context and memory management | Y CombinatorS25 | Active | 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 |
| PlaygentAI Sandboxes for AI agents | Agent infrastructureAI agent sandbox and testing infrastructure | 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 |
| stagewiseAI The Open Source Agentic IDE | Agent infrastructureagentic IDE for coding agents | 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 |
| 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 |
| TraceAI Context-aware orchestration between humans and AI. | Agent infrastructureAI workflow orchestration platform | Y CombinatorS25 | Active | checked 2026-08-23 |
| TraceRoot.AIAI Open source self-improving layer for AI agents | Agent infrastructureAI agent observability and self-healing | Y CombinatorS25 | Active | checked 2026-08-23 |
| truthsystemsAI Automatically blocking risky behavior with real-time governance agents | Agent infrastructureAI governance and compliance agents | Y CombinatorS25 | Active | checked 2026-08-23 |
| WedgeAI Palantir for Healthcare AI Agents | Agent infrastructureAI agent orchestration for healthcare | Y CombinatorS25 | Active | checked 2026-08-23 |
| BitgritAI Your AI? Built By Many. Your Data? Seen By None | Agent infrastructuredistributed AI model development | Alchemist AcceleratorAlchemist Class 39 | Active | - |
| LoopidAI Making product data ready for AI | Agent infrastructureProduct knowledge graphs for AI | Alchemist AcceleratorAlchemist Class 39 | Active | - |
| Expanso Let's you process data efficiently where it's generated, ensuring maximum security, accessibility, and cost-efficiency. | Agent infrastructuredistributed compute orchestration platform | Plug and PlayPnP 2025 | Active | checked 2026-08-23 |
| Fireraven Fireraven is a platform to test and monitor AI systems to make them more safe and reliable and protect them against edge-cases and biases. | Agent infrastructureAI testing and evaluation platform | Plug and PlayPnP 2025 | Active | checked 2026-08-23 |
| AirweaveAI The open-source context retrieval layer for agents | Agent infrastructureContext retrieval for AI agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| Alpha ResearchAI Open source, agentic knowledge bases for all of humanity's knowledge. | Agent infrastructureagentic knowledge retrieval platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| AuctorAI The agentic operating system for modern system integrators. | Agent infrastructureagent orchestration for integrators | Y CombinatorX25 | Active | checked 2026-08-23 |
| AviroAI Environments for Long Horizon Tool Use | Agent infrastructureRL training environments for multi-step tool use | Y CombinatorX25 | Active | checked 2026-08-23 |
| BlaxelAI The perpetual sandbox platform | Agent infrastructureSandbox execution platform for AI agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| BluejayAI Test, monitor, and improve your voice and chat AI agents | Agent infrastructureAI agent monitoring and evaluation | Y CombinatorX25 | Active | checked 2026-08-23 |
| CapacitiveAI The data gateway for agents. | Agent infrastructureData access and permissions for AI agents | 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 |
| CuaAI Give every agent a cloud desktop | Agent infrastructureCloud desktop for AI agents | 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 |
| Kaelio The open-source context layer for data agents | Agent infrastructureContext layer for data agents | 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 |