The new ChatGPT macOS app’s Quick Chat interface does not appear to offer an option to start a Temporary Chat (incognito mode).
For me, this is a big regression in usability. I want to manage which conversations with ChatGPT to save in my chat history or memory and am using the quick chat menu a lot.
Temporary Chat is one of the primary reasons I choose ChatGPT over Claude. Having to switch to the full application window just to start a Temporary Chat defeats much of the convenience of Quick Chat and of ChatGPT for me.