Compare Duck.ai vs Frase vs Open Notebook
| Feature | Duck.ai | Frase | Open Notebook |
|---|---|---|---|
| Description | Duck.ai is DuckDuckGo private AI chat. It helps you ask questions and draft answers without building an advertising profile around your prompts, so you can get help while keeping everyday browsing privacy habits. | Frase helps content teams research topics, build briefs, draft with their brand voice, and optimize pages for search and AI answers. Writers stay in charge of the story while the AI handles research and scoring. | An open-source NotebookLM-style app for researching, summarizing and chatting with your sources. Built for: Researchers, writers and learners who want a private NotebookLM alternative. Format: Self-hosted web app (Docker). License: MIT. Open source on GitHub (40,067 stars as of 2026-10-11). |
| Pricing | Free private AI chat (DuckDuckGo Duck.ai) | 7-day free trial; Starter $39/mo yearly ($49 monthly); Professional $103/mo yearly ($129 monthly); Scale $239/mo yearly ($299 monthly) | Free and open source; self-hosting, model or API costs may apply |
| Main category | Chat assistants | Marketing | Research and notes |
| Website | Visit Duck.ai | Visit Frase | Visit Open Notebook |
| Info last checked | October 14, 2026 | October 17, 2026 | October 12, 2026 |
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