Compare Kagi vs Frase vs Open Notebook
| Feature | Kagi | Frase | Open Notebook |
|---|---|---|---|
| Description | Kagi is a paid, ad-free search engine that includes Kagi Assistant for AI answers and research help. It is funded by its users rather than advertising, so you get focused results and AI help without tracking. | 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 trial of 100 searches; Starter $5/mo; Professional $10/mo; Ultimate $25/mo (annual discount available) | 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 Kagi | Visit Frase | Visit Open Notebook |
| Info last checked | October 17, 2026 | October 17, 2026 | October 12, 2026 |
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