
Highlights
- DuckDuckGo says Duck.ai is free and no account is required, with access to multiple models like Claude, Llama, Mistral, and OpenAI’s smaller models.
Best for: best for instant free multi-model chat with no account. Its strongest free advantage is that you can start chatting right away, privately, without signup friction.
Duck.ai is DuckDuckGo’s private AI chat service. It lets users talk to third-party models through an anonymized interface, with no account required. It focuses on simple, free, privacy-first chatting instead of becoming a full AI workspace.





