Openai chat completion create model gpt 3.5 turbo July 8, 2019 16 32 64 128 Response = openai.chatcompletion.create(model= gpt-3.5-turbo messages=messages) Openai gpt 3 chatbot python Openai chatbot gpt 4 Chat gpt 3.5 turbo api Openai chatgpt 4