Solved by charan_Vjy in post #4 
              
              
                From a quick browse of all above mentioned frameworks, 

BoTorch (Recommended) - Built on top of Pytorch with autograd features. All basic Bayesian optimization tools are included. This should be preferred if you are using Pytorch 
Pros - Modular, Simple and Scalable. 
Cons - Not extensive
scikit-op…