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 |
|---|---|---|---|---|
| Argument Computer Corporation Accelerate verifiable computing | AI infra and computeZero-knowledge proof infrastructure | Y CombinatorW22 | Active | checked 2026-08-23 |
| Cerebrium Serverless Infrastructure Platform for AI | AI infra and computeServerless GPU inference platform | Y CombinatorW22 | Active | checked 2026-08-23 |
| Enlightra Multicolor lasers for ultrafast data transmission | AI infra and computeoptical computing hardware infrastructure | Y CombinatorW22 | Active | checked 2026-08-23 |
| Lexter.aiAI LLM for Legal in Brazil | AI infra and computeLegal domain LLM for Brazil | Y CombinatorW22 | Active | checked 2026-08-23 |
| NyckelAI Classify Anything | AI infra and computeML platform and model training API | Y CombinatorW22 | Active | checked 2026-08-23 |
| Strong ComputeAI 10x-1000x faster compute for Neural Network training | AI infra and computeNeural network training acceleration | Y CombinatorW22 | Active | checked 2026-08-23 |