| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Windows | — | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| API | Yes | — |
| Self-hosted | Yes | — |
| Plans published | 1 | 0 |
| Spec score · Deep Learning Software | 8.1 (#11) | 7.5 (#19) |
| Installation | The getting-started page provides pip installation commands for CPU use and GPU use with NCCL. | Keras installs from PyPI with pip install --upgrade keras; using Keras 3 also requires installing a backend framework. |
| Purpose | Horovod is a distributed deep learning training framework for TensorFlow, Keras, PyTorch and Apache MXNet. | Keras is a Python deep learning API designed to make model development concise, readable, and easier to debug. |
| Support | The project directs users to documentation, troubleshooting guidance and a ticket submission link for unresolved issues. | The Keras site directs users to its Google Group for questions and development discussion, and GitHub issues for bug reports and feature requests. |