ChatGPT first launched to the public as OpenAI quietly released GPT-3.5. GPT-3.5 broke cover with ChatGPT, a fine-tuned version of GPT-3.5 that’s essentially a general-purpose chatbot. ChatGPT …
https://techcrunch.com/2023/11/19/chatgpt-everything-to-know-about-the-ai-chatbot/