Last year, Facebook AI Research open sourced BlenderBot 1.0, the largest open domain chatbot ever built. The first version of BlenderBot was one of the first chatbots to combine empathy, personality and knowledge in a single system.
More specifically, BlenderBot 2.0 incorporates two main innovations relative to the previous version:
Improved long term memory capabilities.

Ability to search the internet for real time knowledge.

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