kitio.aiGemini Notebook vs Open Knowledge Maps
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Open Knowledge Maps is completely free, while Gemini Notebook is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Source-grounded chat
- Audio overviews
- Video overviews
- Mind maps
- Source discovery
- Visual topic maps
- 400M+ research outputs
- 25 output types
- Concept clustering
- Metadata-based results
| Feature | Gemini Notebook | Open Knowledge Maps |
|---|---|---|
| Best for | Google's AI research notebook, formerly NotebookLM | Nonprofit visual search engine that maps research topics with AI |
| Category | Research & search | Research & search |
| Pricing model | Freemium | Free |
| Starting price | $19.99/mo | Free |
| Free plan | Yes | Yes, fully free |
| Made by | Open Knowledge Maps | |
| Based in | United States | Austria |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Open Knowledge Maps is completely free, while Gemini Notebook is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- Source-grounded notebooks
- Standard usage limits
Google AI Pro
$19.99/mo
- Higher notebook and source limits
- More audio and video overviews
Google AI Ultra
$99.99/mo
- Starting price
- Highest usage limits
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Gemini Notebook
- Answers stick to your sources
- Audio overviews are engaging
- Generous free tier
- Source limits per notebook
- Weak at sharing and exports
Open Knowledge Maps
- Free and nonprofit
- Visual overview of a whole topic
- Covers datasets and software too
- Maps are based on metadata only
- AI mapping is still in beta
- Less suited to deep full-text reading
Which one should you choose?
Choose Gemini Notebook if you want:
- Answers stick to your sources
- Audio overviews are engaging
- Generous free tier
Watch out: source limits per notebook.
Choose Open Knowledge Maps if you want:
- Free and nonprofit
- Visual overview of a whole topic
- Covers datasets and software too
Watch out: maps are based on metadata only.
Gemini Notebook vs Open Knowledge Maps FAQ
What is the difference between Gemini Notebook and Open Knowledge Maps?
Gemini Notebook: Google's AI research notebook, formerly NotebookLM. Open Knowledge Maps: Nonprofit visual search engine that maps research topics with AI. Both are research & search tools.
Is Gemini Notebook or Open Knowledge Maps cheaper?
Open Knowledge Maps is completely free, while Gemini Notebook is freemium.
Do Gemini Notebook and Open Knowledge Maps have free plans?
Gemini Notebook: Yes. Open Knowledge Maps: Yes, fully free.
Who makes Gemini Notebook?
Gemini Notebook is made by Google, based in United States.
Who makes Open Knowledge Maps?
Open Knowledge Maps is made by Open Knowledge Maps, based in Austria.
Which should I choose, Gemini Notebook or Open Knowledge Maps?
Choose Gemini Notebook if you value answers stick to your sources and audio overviews are engaging. Choose Open Knowledge Maps if you value free and nonprofit and visual overview of a whole topic.