In short
How they differ.
Worked out from the makers' own pages, read Oct 20, 2026. Prices change; check before you pay.
- Only Gemini Notebook has a free plan.
- Gemini Notebook's cheapest paid plan is cheaper: $4.99 a month against $5.
- Both run on the same kinds of device (web, phone app).
- Kagi Assistant shipped an update more recently (Oct 16, 2026).
Side by side
The details.
| Gemini Notebook | Kagi Assistant | |
|---|---|---|
| Made by | Google · United States | Kagi · United States |
| What it says it is | “We're renaming NotebookLM to Gemini Notebook.” | “Kagi Assistant combines the top large language models (LLMs) with optional results from Kagi Search” |
| Free plan | YesStandard (free): Notebooks "100/user", Sources "50/notebook". | NoNo free plan; a free Trial is capped at 100 searches and 100 Assistant interactions. "Assistant is available to all members." |
| Plans | Standard (free): freeGoogle AI Plus: $4.99 a monthGoogle AI Pro: $19.99 a monthGoogle AI Ultra: $99.99 a monthGoogle Workspace: not in US$ | Trial: freeStarter: $5 a monthProfessional: $10 a monthUltimate: $25 a month |
| Runs on | web, Android, iOS | web, mobile apps |
| Latest update | NotebookLM is now Gemini Notebook, Jul 16, 2026 | Smarter search widgets, Privacy Pass upgrades, and a calmer Assistant, Oct 16, 2026 |
| Its terms | “The content in Gemini Notebook will not be used to directly train our foundational AI models, unless you choose to provide feedback.”What it does with your data · Gemini Notebook Help: Privacy and Terms of Use in Gemini Notebook | “By default and unless otherwise stated, Kagi Assistant automatically deletes conversation threads after one day.”What it does with your data · Kagi Privacy Policy |
| Disputes | None on file | None on file |
| Sources | Prices, Oct 20, 2026 · Description · company-reported | Prices, Oct 20, 2026 · Description · company-reported |
More comparisons