neowin[.]net/news/firefox-1480-arrives-with-ai-kill-switch-drag-and-drop-fixes-and-more/
The new version of Firefox introduces an AI kill switch. It's under AI Controls in settings. Opera is similar, with an Opera AI heading in settings.
zdnet[.]com/article/turn-off-gemini-in-google-apps-gmail-photos-chrome/
"You can turn off Gemini in Gmail, Photos, Chrome, and more - here's how"
And, you may want to turn off Copilot's memory... The AI Microsoft is trying to cram into Windows every chance they get wants your data too: "Known as "Microsoft usage data," the setting lets Copilot refer to your data from Bing, MSN, Edge, and other Microsoft products that you've used, as spotted by Windows Latest." This article tells you how to turn that off.
zdnet[.]com/article/copilot-data-other-microsoft-products-opt-out/