Solved by KFrank in post #4 
              
              
                Hi Bing! 

Just to be precise, these are not “probabilities.”  (If they were, they 
would be values between 0 and 1 that sum to 1.)  They are most 
likely the output of a final Linear layer (with no subsequent non-linear 
“activation”), and should be understood as raw-score logits. 

The output of a…