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  TITLE
  Model Request: Blenderbot 2.0
  
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  # 🌟 New model addition
  
  ## Model description
  
  Facebook released Blenderbot 2.0, a chatbot that builds on RAG and Blenderbot 1.0. It can save interactions for later reference and use web search to find information on the web.
  
  https://parl.ai/projects/blenderbot2/
  
  ## Open source status
  
  * [x] the model implementation is available: in Parl.ai
  * [x] the model weights are available: https://parl.ai/docs/zoo.html#wizard-of-internet-models
  * [ ] who are the authors: (mention them, if possible by @gh-username)
  