As the article acknowledges, the training data that goes into the chatbots that people actually use in 2023 -- ChatGPT (both the GPT-3.5 and GPT-4 flavors) -- a

As the article acknowledges, the training data that goes into the chatbots that people actually use in 2023 -- ChatGPT (both the GPT-3.5 and GPT-4 flavors) -- are probably very different from c4, which was released 4 years ago. GPT-4's training data is probably a similarly big chunk of the public Web plus a bunch of licensed content. But we can't know for sure because OpenAI has chosen not to disclose any information about the people that they take content from to build their service.