Retro-Search: Exploring Untaken Paths for Deeper and Efficient Reasoning
  
  
    
  
  
  
  
  
    
      
        Ximing Lu *
      
    , 
    
      
        Seungju Han *
      
    , 
    
      
        David Acuna *
      
    , 
    
      
        Hyunwoo Kim *
      
    , 
    
      
        Jaehun Jung *
      
    , 
    
      
        Shrimai Prabhumoye
      
    , 
    
      
        Niklas Muennighoff
      
    , 
    
      
        Mostofa Patwary
      
    , 
    
      
        Mohammad Shoeybi
      
    , 
    
      
        Bryan Catanzaro
      
    , 
    
      
        Yejin Choi