Which OpenAI GPT models can I use with the GPT plus Google Docs add-on? / ChatGPT, Google Add ons / By user The GPT plus Google Docs add-on supports various OpenAI GPT models, including Davinci, Ada, Curie, Babbage, chart gpt 3.5 turbo, ChatGPT 3, ChatGPT 4, and ChatGPT 4-32k. You can choose the model that best suits your needs for content generation. Download here: