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.
clusterVertical AI agents 898Consumer 821B2B SaaS 787Fintech 633Developer tools 515Healthcare and bio 477Commerce and marketplaces 433Agent infrastructure 350Robotics and physical world 314Data for AI 192Security and compliance 189Horizontal AI assistants 152AI infra and compute 152Climate and energy 123Defense and space 85Other 44
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| FlowiseAIAI Open source GenAI development platform | Agent infrastructureLLM app development platform | Y CombinatorS23 | Acquired | checked 2026-08-23 |
| DAGWorks Inc.AI Open source tools & services for reliable AI Agents & AI Applications | Agent infrastructureAI agent orchestration and observability | Y CombinatorW23 | Acquired | checked 2026-08-23 |
| Keep The open-source AIOps platform | Agent infrastructureAlert aggregation and AIOps orchestration | Y CombinatorW23 | Acquired | checked 2026-08-23 |
| Langfuse Open source LLM engineering platform | Agent infrastructureLLM observability and prompt management | Y CombinatorW23 | Acquired | checked 2026-08-23 |
| OpenMeter Usage Metering, AI & API Monetization | Agent infrastructureUsage metering for AI API monetization | Y CombinatorW23 | Acquired | checked 2026-08-23 |
| Traceloop Know what your LLM is doing — and why it’s failing | Agent infrastructureLLM observability and tracing | Y CombinatorW23 | Acquired | checked 2026-08-23 |
| VersoriAI Agentic integrations & automations for enterprise | Agent infrastructureAgentic integration orchestration platform | Y CombinatorW23 | Acquired | checked 2026-08-23 |
| VocodeAI Open source Voice AI | Agent infrastructureVoice AI infrastructure for agents | Y CombinatorW23 | Acquired | 2026-08-23 |