I just want to point out that I think ChatGPT has seen more data than a single human being. With 45 TB of text data [1], it would cost a human around 70k years of continuous reading (assuming 1 GB is 200M words, and humans read 225 words per minute) to see all the training data.
[1] https://www.businessinsider.com/google-researchers-openai-ch...