Development of AI/ML based Chatbots

How chat bots has evolved from mere rule based to AI/ML based due to the Advance of the AI, The Key components of bot and terminologies. Issue faced while creating bots from data gathering to bot training. Various Framework available pros and cons of those framework. How LLM is revolutionizing the bots

What is Chatbots
Chatbots key Components
Bot Frameworks Available
Bot testing Strategies
LLM the future of bots