IBL BrainWideBench

IBL BrainWideBench is a benchmark for evaluating neural decoding models on large-scale brain-wide recordings from the International Brain Laboratory.

If you encounter any bugs or have feature requests, please submit them to our GitHub Issues page.

Get started Leaderboard Paper Checkpoints Runs GitHub

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Citation

If you use IBL BrainWideBench, please cite the paper:

@misc{iblbwb2026,
  title         = {BrainWideBench: Benchmarking large-scale pretraining and across-animal transfer in multi-region neural recordings},
  author        = {Alexandre Andre and Shivashriganesh P. Mahato and Vinam Arora and Keshav Balaji and Divyansha Lachi and Nanda H. Krishna and Jingyun Xiao and Yizi Zhang and Ximeng Mao and Wenrui Ma and Han Yu and International Brain Laboratory and Daniel Birman and Niccolò Bonacchi and Gaelle A. Chapuis and Joana A. Catarino and Felicia Davatolhagh and Mayo Faulkner and Laura Freitas-Silva and Fei Hu and Julia M. Huntenburg and Anup Khanal and Inês Laranjeira and Petrina Lau and Guido T. Meijer and Nathaniel J. Miska and Jean-Paul Noel and Alejandro Pan-Vazquez and Georg Raiser and Cyrille Rossant and Karolina Z. Socha and Anne E. Urai and Miles J. Wells and Steven J. West and Olivier Winter and Blake Richards and Guillaume Lajoie and Cole Hurwitz and Mehdi Azabou and Matthew R. Whiteway and Liam Paninski and Eva L. Dyer},
  year          = {2026},
  eprint        = {2609.22064},
  archivePrefix = {arXiv},
  primaryClass  = {cs.LG},
  url           = {https://arxiv.org/abs/2609.22064},
}

The benchmark is built on the IBL Brain Wide Map, so please cite the dataset as well:

@article{iblbwm2025,
  title={A brain-wide map of neural activity during complex behaviour},
  author = {IBL and Benson, Brandon and Benson, Julius and Birman, Daniel and Bonacchi, Niccol{\`o} and Carandini, Matteo and Catarino, Joana A and Chapuis, Gaelle A and Churchland, Anne K and Dan, Yang and Dayan, Peter and DeWitt, Eric EJ and Engel, Tatiana A and Fabbri, Michele and Faulkner, Mayo and Fiete, Ila Rani and Findling, Charles and Freitas-Silva, Laura and Ger{\c c}ek, Berk and Harris, Kenneth D and H{\"a}usser, Michael and Hofer, Sonja B and Hu, Fei and Hubert, F{\'e}lix and Huntenburg, Julia M and Khanal, Anup and Krasniak, Christopher and Langdon, Christopher and Lau, Petrina Y P and Mainen, Zachary F and Meijer, Guido T and Miska, Nathaniel J and Mrsic-Flogel, Thomas D and Noel, Jean-Paul and Nylund, Kai and Pan-Vazquez, Alejandro and Pouget, Alexandre and Rossant, Cyrille and Roth, Noam and Schaeffer, Rylan and Schartner, Michael and Shi, Yanliang and Socha, Karolina Z and Steinmetz, Nicholas A and Svoboda, Karel and Urai, Anne E and Wells, Miles J and West, Steven Jon and Whiteway, Matthew R and Winter, Olivier and Witten, Ilana B},
  journal={Nature},
  volume={645},
  number={8079},
  pages={177--191},
  year={2025},
  publisher={Nature Publishing Group UK London},
  url={https://www.nature.com/articles/s41586-025-09235-0},
}