Cohorts of 2020
Companies whose accelerator cohort started in 2020. 1,274 companies.
clusterConsumer 143B2B SaaS 110Commerce and marketplaces 95Fintech 88Healthcare and bio 85Robotics and physical world 62Developer tools 51Vertical AI agents 46Climate and energy 36Data for AI 23Other 18Security and compliance 17Defense and space 13Agent infrastructure 11Horizontal AI assistants 9AI infra and compute 8
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| KeyDB The only database you'll ever need | AI infra and computeIn-memory database with flash persistence | Y CombinatorS20 | Acquired | checked 2026-08-23 |
| QuestDB High-performance time series database | AI infra and computetime series database infrastructure | Y CombinatorS20 | Active | checked 2026-08-23 |
| AtmoAI Ultra-precise AI weather forecasting. | AI infra and computeAI weather forecasting infrastructure | Y CombinatorW20 | Active | checked 2026-08-23 |
| Fly.io Run full stack apps close to your users. | AI infra and computedistributed app deployment infrastructure | Y CombinatorW20 | Active | 2026-07-29 |
| ReplicateAI Run machine learning models in the cloud | AI infra and computeModel serving and inference API | Y CombinatorW20 | Acquired | checked 2026-08-23 |
| TermiiAI Termii is an AI-native reliability infrastructure company. | AI infra and computeAI-powered transaction reliability infrastructure | Y CombinatorW20 | Active | checked 2026-08-23 |
| Kardome TechnologyAI Kardome | Spatial Hearing AI & Contextual Voice AI for OEMs | AI infra and computeOn-device audio AI processing | TechstarsTS 2020 | Active | checked 2026-08-23 |
| Lux Semiconductors Lux Semiconductors | AI infra and computesemiconductor design and manufacturing | TechstarsTS 2020 | Active | checked 2026-08-23 |