That's not true. It uses reinforcement learning from user interactions and therefore the content of those conversations becomes part of the model. The 2021 cut-

That's not true. It uses reinforcement learning from user interactions and therefore the content of those conversations becomes part of the model. The 2021 cut-off was once true but it's obvious the GPT has knowledge beyond that. You can test it yourself using many of the prompt manipulations and press the AI to discuss factual events after that date. It seems that the only reason it will refuse to normally speak about stuff after that date is that it's restricted by the guards OpenAI have put in place.