Bilevel Optimization Python Packages

torchopt

TorchOpt is an efficient library for differentiable optimization built upon PyTorch.

torchlie

A library for differentiable nonlinear optimization

torchkin

A library for differentiable nonlinear optimization

theseus-ai

A library for differentiable nonlinear optimization

betty-ml

Betty: an automatic differentiation library for generalized meta-learning and multilevel optimization

theseus-ai-nightly

A library for differentiable nonlinear optimization

regularization-methods-for-hvis

Package aimed at solving variational inequalities over the solution set of a monotone inclusion.