Cohorts of 2023
Companies whose accelerator cohort started in 2023. 2,104 companies.
clusterConsumer 185Vertical AI agents 167B2B SaaS 147Fintech 115Healthcare and bio 86Developer tools 82Commerce and marketplaces 81Climate and energy 79Robotics and physical world 46Horizontal AI assistants 43Agent infrastructure 40Security and compliance 29Data for AI 26Other 24AI infra and compute 24Defense and space 20
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| OpenPipeAI Turn expensive prompts into cheap fine-tuned models | AI infra and computeModel fine-tuning and optimization infrastructure | Y CombinatorS23 | Acquired | checked 2026-08-23 |
| Arroyo Cloud-native stream processing | AI infra and computeserverless stream processing platform | Y CombinatorW23 | Acquired | checked 2026-08-23 |
| PlayAIAI Our mission is to make Voice AI accessible and useful to all. | AI infra and computeVoice AI model serving and cloning | Y CombinatorW23 | Acquired | checked 2026-08-17 |