Class Imbalance Python Packages

imbalanced-ensemble

[NeurIPS'25]🛠️Class-imbalanced Ensemble Learning Toolbox. | 类别不平衡/长尾机器学习库

weightslab

Monitoring platform for ML teams building real‑world AI at scale.

self-paced-ensemble

[ICDE'20] ⚖️ A general, efficient ensemble framework for imbalanced classification. | 泛用，高效，鲁棒的类别不平衡学习框架

multi-imbalance

Python package for tackling multi-class imbalance problems. http://www.cs.put.poznan.pl/mlango/publications/multiimbalance/

craved

Buddi-CRAVeD -- ClusteR Analysis and Validation for largE Datasets

dpe

[ICML 2025] Diverse Prototypical Ensembles Improve Robustness to Subpopulation Shift

seesawloss

Seesaw Loss implementation using PyTorch