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Welcome to CodaLab main server!

August 2023: Discover Codabench, the evolution of CodaLab Competitions. We encourage organizers to switch to this fast, reliable platform, which is the focus of our ongoing and future enhancements. To help you, here is a quick guide: How to transition from CodaLab to Codabench?

This is a new server, you must re-create your CodaLab account if you previously had one.

We provide a default CPU queue for small jobs (typically for result submission competitions). For code submission, organizers are expected to provide their own queue, see instructions.

Are you looking for older competitions? Check the old CodaLab Competitions website!

Join the CodaLab competition Google group, to advertise your competitions, ask questions, or read news.
To report bugs and problems you face, please open Github issues.
Learn more about us.

Cite CodaLab Competitions in your research

@article{codalab_competitions_JMLR,
  author  = {Adrien Pavao and Isabelle Guyon and Anne-Catherine Letournel and Dinh-Tuan Tran and Xavier Baro and Hugo Jair Escalante and Sergio Escalera and Tyler Thomas and Zhen Xu},
  title   = {CodaLab Competitions: An Open Source Platform to Organize Scientific Challenges},
  journal = {Journal of Machine Learning Research},
  year    = {2023},
  volume  = {24},
  number  = {198},
  pages   = {1--6},
  url     = {http://jmlr.org/papers/v24/21-1436.html}
}

Cite CodaLab Competitions in your research

Popular Competitions

DocRED

2023 IEEE GRSS Data Fusion Contest Track 1

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SportsMOT: A Large Multi-Object Tracking Dataset in Multiple Sports Scenes

Occluded Video Instance Segmentation (OVIS)

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[Task 2] CXR-LT: Long-tailed, multi-label, and zero-shot classification on chest X-rays

[Task 1] CXR-LT: Long-tailed, multi-label, and zero-shot classification on chest X-rays