# Dia vs Gemini Notebook

> Dia: An AI-native web browser that answers questions across your tabs and work apps
> Gemini Notebook: Google's Gemini Notebook, formerly NotebookLM, answers questions and builds summaries from your own sources

- Dia profile: https://finderatlas.com/tools/dia
- Gemini Notebook profile: https://finderatlas.com/tools/notebooklm
- Comparison page: https://finderatlas.com/compare/dia-vs-notebooklm
- Last reviewed: November 2026

## Verdict

Dia and Gemini Notebook are both AI Assistants tools. Gemini Notebook scores higher in FinderAtlas's editorial review (8.7 vs 7.8 out of 10), led by value for money. Both have a free plan or trial. Only Dia is available on Windows and macOS. Only Gemini Notebook is available on Web, iOS and Android.

### Choose Dia if

- You want a tool built for asking questions across tabs and connected work apps, summarizing pages and meetings, and organizing many open tabs.
- Free to download, with a $20 per month Pro plan rather than a mandatory subscription.
- AI chat can use content from open tabs and connected work apps.

### Choose Gemini Notebook if

- You want a tool built for summarizing and questioning your own documents.
- Answers cite the uploaded sources, so claims can be checked against the original text.
- Free Standard tier with 100 notebooks and 50 sources per notebook.

## Pricing

| | Dia | Gemini Notebook |
| --- | --- | --- |
| Pricing model | Freemium | Freemium |
| Free plan or trial | Yes | Yes |
| Starting price | $0 | $0 |

## Features

| Feature | Dia | Gemini Notebook |
| --- | --- | --- |
| Chat with your tabs | Yes | Not listed |
| Connected apps | Yes | Not listed |
| Skills | Yes | Not listed |
| Morning Brief | Yes | Not listed |
| Decks and reports | Yes | Not listed |
| Live Work | Yes | Not listed |
| Splits and organized tabs | Yes | Not listed |
| Profiles | Yes | Not listed |
| Privacy controls | Yes | Not listed |
| Dia for Work | Yes | Not listed |
| Source-grounded chat | Not listed | Yes |
| Audio Overviews | Not listed | Yes |
| Video Overviews | Not listed | Yes |
| Study tools | Not listed | Yes |
| Reports, slide decks and infographics | Not listed | Yes |
| Multiple source types | Not listed | Yes |
| Cloud computer | Not listed | Yes |
| Gemini app sync | Not listed | Yes |
| Sharing and public notebooks | Not listed | Yes |

## Platforms

| Platform | Dia | Gemini Notebook |
| --- | --- | --- |
| Web | No | Yes |
| Windows | Yes | No |
| macOS | Yes | No |
| iOS | No | Yes |
| Android | No | Yes |
| API | No | No |
| Browser Extension | No | No |

## Dia strengths

- Free to download, with a $20 per month Pro plan rather than a mandatory subscription.
- AI chat can use content from open tabs and connected work apps.
- Frequent releases: Mac v1.52.0 and v1.53.0 shipped in October 2026.
- Separate profiles keep work and personal tabs and AI context apart.
- Dia for Work provides SAML SSO, MDM policies and a SOC 2 Type II examination.

## Dia limitations

- Desktop only; no publicly released iOS or Android app.
- Windows version is new (v1.0 on October 6, 2026) and trails the Mac version.
- Free-tier AI usage limits are not published, and the site has no public pricing page.
- Several workflow features depend on connected work apps and a work-focused setup.

## Gemini Notebook strengths

- Answers cite the uploaded sources, so claims can be checked against the original text
- Free Standard tier with 100 notebooks and 50 sources per notebook
- Wide range of outputs, including Audio Overviews, Video Overviews, mind maps, flashcards, quizzes and slide decks
- Accepts PDFs, websites, YouTube videos, audio files, Google Docs and Google Slides
- Available on web, iOS and Android, and synced with the Gemini app

## Gemini Notebook limitations

- Works from the sources you add and is not built for live web news search
- Higher limits require a Google AI subscription; Ultra starts at $99.99 per month
- The cloud computer for code execution started with Ultra and Workspace AI Ultra Access customers, with Pro rollout still described as upcoming
- No public API for the consumer product, and the renamed brand can make older guides and app listings confusing

## FAQ

**Is Dia better than Gemini Notebook?**

It depends on your workflow. Dia is built for asking questions across tabs and connected work apps, summarizing pages and meetings, and organizing many open tabs. Gemini Notebook is built for summarizing and questioning your own documents.

**What are the key feature differences between Dia and Gemini Notebook?**

Dia: An AI-native web browser that answers questions across your tabs and work apps. Gemini Notebook: Google's Gemini Notebook, formerly NotebookLM, answers questions and builds summaries from your own sources.

**Does Dia or Gemini Notebook have a free plan?**

Yes, both do. Dia is freemium and Gemini Notebook is freemium, and each has a free plan or trial.

**Which is cheaper, Dia or Gemini Notebook?**

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.