instruction: What is ChatGPT?
response: ChatGPT is a large language model (LLM) built by a company names OpenAI.  It has the ability to answer in a human like way to any question that you ask it.  It can generate code from text, write stories, answer questions, make hashtags, help summarize notes, etc.  It was launched on November 30, 2022 and it gained millions of users in the first week it was available for free use by the public.  ChatGPT models can also be customized for industry specific use cases using smaller training datasets.