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.
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 151Climate and energy 123Defense and space 85Other 44
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Rain Neuromorphics We build artificial intelligence processors inspired by the brain. | AI infra and computeNeuromorphic AI processor hardware | Y CombinatorS18 | Acquired | checked 2026-08-17 |
| Vathys Accelerating machine learning through software | AI infra and computeDeep learning software acceleration | Y CombinatorW18 | Inactive | checked 2026-08-24 |
| VoiceryAI Automated voice acting and emotive speech synthesis with deep neural… | AI infra and computespeech synthesis and voice generation | Y CombinatorW18 | Inactive | checked 2026-08-23 |