| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 1 | 1 |
| Spec score · Experiment Tracking | 7.5 (#8) | 7.4 (#10) |
| Spec score · ML Experiment Tracking Software | 7.4 (#19) | 7.3 (#22) |
| Purpose | ModelDB versions machine learning models and tracks ML metadata across the model lifecycle. | OpenML is an open platform for sharing datasets, algorithms, and experiments for machine learning. |
| Reproducibility | It records model ingredients including code, data, configuration, and environment to support reproducibility. | OpenML tracks experiment metadata including algorithms, hyperparameters, datasets, metrics, and hardware. |
| Support | The project directs users to GitHub issues for bug reports and feature requests and to Slack for questions and help. | OpenML lists its community discussions and the contact address [email protected]. |