Glean vs NotebookLM
Glean and NotebookLM are both Productivity tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | Glean | NotebookLM |
|---|---|---|
| Vendor | Glean | |
| Rating | ★ 4.5 | ★ 4.7 |
| Pricing | Paid | Freemium |
| Platforms | Web, Desktop | Web, iOS, Android |
| Key features | Enterprise knowledge indexing, Permissions-aware answers, Cited results | Source-grounded answers, Audio Overviews, Notebook sharing |
| Headquarters | Palo Alto, USA | Mountain View, USA |
| Founded | 2019 | 2023 |
| Open source | No | No |
Key differences
- NotebookLM has a higher user rating (4.7★ vs 4.5★).
- Glean is Paid, while NotebookLM is Freemium.
- Glean runs on Web, Desktop; NotebookLM runs on Web, iOS, Android.
Frequently asked questions
Is Glean or NotebookLM better?
By user rating, NotebookLM scores higher (4.7★ vs 4.5★). Both are capable Productivity tools, so review the feature comparison for your use case.
Which is cheaper, Glean or NotebookLM?
Glean is Paid and NotebookLM is Freemium. Check each product page for current plan details.
Are Glean and NotebookLM open source?
No — neither Glean nor NotebookLM is open source.