My paid ChatGPT-4 says "my last training cut-off in January 2022". (Used to be September 2021) However. I can continue the OP chat in the "ChatGPT=4 with image

My paid ChatGPT-4 says "my last training cut-off in January 2022". (Used to be September 2021) However. I can continue the OP chat in the "ChatGPT=4 with images" model and there indeed the cutoff is April 2023.