Duck AI vs ChatGPT comes down to a single trade you have to make up front: anonymity or capability. Duck AI (DuckDuckGo's duck.ai ) gives you six models with no account, no server-side chat history and stripped metadata; ChatGPT gives you a stronger default model, unlimited free text chats and a far deeper feature set in exchange for an account and a data relationship. Verdict: Duck AI wins free, private, multi-model chat. It needs no sign-up, removes your IP address before prompts reach p...