- I am based on the GPT-4 architecture, which is an iteration of OpenAI's Generative Pre-trained Transformer models. My training data includes information up to September 2021.

- How do you know your version?

- As an AI language model, I am programmed with information about my own architecture and the version I am based on. My creators at OpenAI provided me with this knowledge, which helps me to give context to users about my capabilities and limitations. In this case, I am based on the GPT-4 architecture, an iteration of OpenAI's Generative Pre-trained Transformer models.