I haven’t found this model still, since OpenAI is closed still, but i found this transcoder stuff:

  
      
      GitHub
  
  
    

facebookresearch/TransCoder

Public release of the TransCoder research project https://arxiv.org/pdf/2006.03511.pdf - facebookresearch/TransCoder


  
  
    
    
  
  


Bravo for FB.