A framework for elegantly configuring complex applications.

Check the website for more information.

Hydra 1.4 is the current development version of Hydra.

• Hydra 1.4 is coming soon. Until the stable release is available, you can install Hydra from development releases on PyPI.
• Documentation
• Installation: pip install --pre --upgrade hydra-core
• Supported Python versions: 3.10 through 3.14.

Hydra 1.3 is the stable version of Hydra.

• Documentation
• Installation : pip install hydra-core --upgrade

See the NEWS.md file for a summary of recent changes to Hydra.

Hydra is licensed under MIT License.

See the Hydra Landscape for third-party libraries, templates, plugins, and projects that use or extend Hydra.

• Github Discussions
• StackOverflow
• X

Check out the Meta AI blog post to learn about how Hydra fits into Meta's efforts to reengineer deep learning platforms for interoperability.

If you use Hydra in your research please use the following BibTeX entry:

@Misc{Yadan2019Hydra,
  author =       {Omry Yadan},
  title =        {Hydra - A framework for elegantly configuring complex applications},
  howpublished = {Github},
  year =         {2019},
  url =          {https://github.com/facebookresearch/hydra}
}