To clear all of your ChatGPT chat history, kindly follow these steps.
Click on your profile picture located in the top right corner of your screen.
Once you click on the item, a menu will appear on the screen. Next, navigate your cursor or tap to select the “Settings” option from the menu.
After opening the modal, you will see an option to delete all chats. Click on that option to delete all your chats.
Upon your confirmation, your chat history will be permanently and immediately deleted.