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 |
|---|---|---|---|---|
| Chatter Dead simple LLM testing and iteration | Developer toolsLLM testing and prompt iteration | Y CombinatorS23 | Acquired | checked 2026-08-23 |
| ContinueAI Pioneering open-source coding agent | Developer toolsopen-source coding agent | Y CombinatorS23 | Acquired | checked 2026-08-23 |
| Dioxus Labs Web, Desktop, and Mobile apps with one codebase in Rust | Developer toolsFull-stack app framework for Rust | Y CombinatorS23 | Acquired | checked 2026-08-23 |
| MochaAI Build and publish web apps in minutes. No coding required. | Developer toolsAI-powered no-code app builder | Y CombinatorS23 | Acquired | checked 2026-08-23 |
| Tremor The UI toolkit for Dashboards | Developer toolsDashboard UI component library | Y CombinatorS23 | Acquired | checked 2026-08-23 |
| Fern Instantly offer SDKs and API Docs | Developer toolsSDK and API documentation generation | Y CombinatorW23 | Acquired114 open roles | checked 2026-08-24 |
| Helicone LLM Observability for Developers | Developer toolsLLM observability and monitoring | Y CombinatorW23 | Acquired | checked 2026-08-23 |
| highlight.io The open source, fullstack monitoring platform: stop guessing why… | Developer toolsFull-stack monitoring and observability | Y CombinatorW23 | Acquired | 2026-08-23 |
| OpenInt Open Source Embedded Product Integrations | Developer toolsAPI integration platform for developers | Y CombinatorW23 | Acquired | checked 2026-08-17 |
| Outerbase The interface for your database | Developer toolsAI-powered database interface and dashboard builder | Y CombinatorW23 | Acquired | checked 2026-08-23 |