Cohorts of 2023
Companies whose accelerator cohort started in 2023. 2,105 companies.
clusterVertical AI agents 260Consumer 218B2B SaaS 198Fintech 148Healthcare and bio 118Commerce and marketplaces 114Climate and energy 112Developer tools 102Horizontal AI assistants 77Agent infrastructure 63Robotics and physical world 60Security and compliance 45Other 35Data for AI 35AI infra and compute 33Defense and space 26
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| GreenTallyAI Affordable carbon tracking solution for all businesses | Climate and energyAI-powered carbon accounting platform | Y CombinatorS23 | Inactive | checked 2026-08-23 |
| LeafpressAI AI Energy Management | Climate and energyAI utility energy management | Y CombinatorS23 | Inactive | 2026-08-23 |
| Line.Build Incentives and financing for energy efficiency upgrades | Climate and energyenergy efficiency financing for contractors | Y CombinatorS23 | Inactive | checked 2026-08-17 |
| OutSail Technologies Revolutionary, Modern Wing Sails | Climate and energyautonomous wind-powered marine vessels | Y CombinatorW23 | Inactive | checked 2026-08-17 |
| Overflux Streamline EV charger installations for real estate developers | Climate and energyEV charger installation automation | Y CombinatorW23 | Inactive | - |