Cohorts of 2025
Companies whose accelerator cohort started in 2025. 1,910 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| AnswerThisAI End-to-end workspace to accelerate scientific discovery | Data for AIAI research discovery and synthesis | Y CombinatorF25 | Active | checked 2026-08-23 |
| Cortex AIAI Large-scale real-world robot & human data for embodied AI | Data for AIReal-world robot and embodied AI training data | Y CombinatorF25 | Active | checked 2026-08-23 |
| SciloopAI Expert STEM reasoning data for frontier AI labs. | Data for AIExpert STEM synthetic data for AI training | Y CombinatorF25 | Site unreachable | checked 2026-08-23 |
| Specific Labs Real World Environments and Data for AI | Data for AIenterprise audio data collection | Y CombinatorF25 | Active | checked 2026-08-23 |
| Unsiloed AIAI API for parsing multimodal unstructured data | Data for AIMultimodal document parsing and structuring | Y CombinatorF25 | Active | checked 2026-08-23 |
| Channel3AI Database of every product on the internet | Data for AIProduct data infrastructure for commerce | Y CombinatorS25 | Active | checked 2026-08-23 |
| CostreamAI Indexing human dialogue through digital products | Data for AIdialogue data indexing platform | Y CombinatorS25 | Active | checked 2026-08-23 |
| Design ArenaAI World's largest crowdsourced benchmark for AI-generated design | Data for AICrowdsourced AI design evaluation | Y CombinatorS25 | Active | checked 2026-08-23 |
| Liva AI Audio & Video Data | Data for AIsynthetic and real-world speech training data collection | Y CombinatorS25 | Active | checked 2026-08-23 |
| LLM Stats Independent AI evaluations lab | Data for AILLM evaluation and benchmarking | Y CombinatorS25 | Active | checked 2026-08-23 |
| MonarchaAI Turn maps into data | Data for AIMap georeferencing and spatial data extraction | Y CombinatorS25 | Active | checked 2026-08-23 |
| Panels Audio Data for AI Labs | Data for AIspeech data collection for models | Y CombinatorS25 | Active | checked 2026-08-23 |
| Synthetic SocietyAI Synthetic Users to Simulate Real Users | Data for AIsynthetic user data generation | Y CombinatorS25 | Active | checked 2026-08-23 |
| Besimple AI Voice data for AI | Data for AIaudio data collection and annotation | Y CombinatorX25 | Active | checked 2026-08-23 |
| CartpoleAI Building reinforcement learning environments | Data for AIreinforcement learning training environments | Y CombinatorX25 | Active | checked 2026-08-23 |
| Klavis AIAI High Quality Coding & Agentic Data for AI labs | Data for AIAgentic tool-use data for AI labs | Y CombinatorX25 | Active | checked 2026-08-23 |
| Labric The data layer for scientific research | Data for AILab data integration and cleaning | Y CombinatorX25 | Active | checked 2026-08-23 |
| PercivalAI Accelerating data analysis for research | Data for AIAI copilot for research data analysis | Y CombinatorX25 | Inactive | checked 2026-08-23 |
| Rimba Streamlining Data Capture to Report Creation for Heavy Industries | Data for AIData integration and ETL for industrial operations | Y CombinatorX25 | Active | checked 2026-08-23 |
| sieveAI AI + human review to solve data cleaning - accessible via API or Excel | Data for AIAI-powered data cleaning for finance | Y CombinatorX25 | Active | checked 2026-08-23 |
| Sureform Real-world data for multimodal and embodied AI | Data for AIReal-world data collection for robotics | Y CombinatorX25 | Active | checked 2026-08-23 |
| Vision Lab Industrial data layer for robotics training | Data for AIindustrial video data for robotics training | Y CombinatorX25 | Active | checked 2026-08-23 |
| AfterQuery Applied research lab curating data solutions for foundation model… | Data for AIdata curation for foundation models | Y CombinatorW25 | Active | checked 2026-08-23 |
| HUDAI Platform for building RL environments and evals | Data for AIReinforcement learning environment and dataset platform | Y CombinatorW25 | Active | checked 2026-08-17 |
| LopusAI Headless Data Team | Data for AIsemantic layer for trusted AI analytics | Y CombinatorW25 | Active | checked 2026-08-23 |
| Mundo AI High Quality Multilingual Training Data for AI Models | Data for AImultilingual training data collection | Y CombinatorW25 | Active | checked 2026-08-23 |
| Overstand LabsAI Navigate any set of data - no matter how large - in minutes. | Data for AIAI-powered data exploration and analysis platform | Y CombinatorW25 | Active | checked 2026-08-23 |