ChatGPT vs Gemini Notebook (formerly NotebookLM)
ChatGPT scores higher overall: 88/100 (S-tier) vs 80/100 (A-tier) for Gemini Notebook (formerly NotebookLM) in Chat & research assistants. ChatGPT leads on job fit, ease, momentum, openness & portability and builder/gamer bonus. Gemini Notebook (formerly NotebookLM) leads on value. They tie on trust & maturity.
Scores are initial editorial estimates from public information, not hands-on tests. How we score →
Side by side
| ChatGPT | Gemini Notebook (formerly NotebookLM) | |
|---|---|---|
| Tier | S | A |
| Overall score | 88/100 | 80/100 |
| Job fit | 27/30 | 22/30 |
| Ease / time-to-first-result | 15/15 | 14/15 |
| Value | 12/15 | 15/15 |
| Momentum | 15/15 | 13/15 |
| Openness & portability | 6/10 | 5/10 |
| Trust & maturity | 9/10 | 9/10 |
| Builder/gamer bonus | 4/5 | 2/5 |
| What it does | Assistant with search, deep research, file analysis, image generation and agent mode. | notebooklm.google now redirects here. Google research tool that analyzes your uploaded sources, answers grounded questions and turns content into overviews. |
| Best for | You want one assistant that does almost everything. | You want to study or synthesize your own documents. |
| Skip it if | You need strict on-prem privacy. | You need open-web research. |
| Pricing | Free tier; paid Plus and Pro plans unverified editorial summary, not yet confirmed on an official pricing page | Free; higher limits with Google AI plans unverified editorial summary, not yet confirmed on an official pricing page |
| Starting paid price | Not recorded | Not recorded |
| Free tier | Yes (unverified) | Yes (unverified) |
| Platforms | web · Mac · Win · iOS · Android | web · iOS · Android |
| Open source | No | No |
| Official site | chatgpt.com | notebook.google |
| Last reviewed | Oct 18, 2026 | Oct 18, 2026 |
Which should you pick?
Pick ChatGPT if…
You want one assistant that does almost everything.
Pick Gemini Notebook (formerly NotebookLM) if…
You want to study or synthesize your own documents.
FAQ
Is ChatGPT better than Gemini Notebook (formerly NotebookLM)?
ChatGPT scores higher overall: 88/100 (S-tier) vs 80/100 (A-tier) for Gemini Notebook (formerly NotebookLM) in Chat & research assistants. ChatGPT leads on job fit, ease, momentum, openness & portability and builder/gamer bonus. Gemini Notebook (formerly NotebookLM) leads on value. They tie on trust & maturity. The better pick depends on the job: choose ChatGPT if you want one assistant that does almost everything. Choose Gemini Notebook (formerly NotebookLM) if you want to study or synthesize your own documents.
Do ChatGPT and Gemini Notebook (formerly NotebookLM) have free tiers?
ChatGPT: free tier listed (unverified). Gemini Notebook (formerly NotebookLM): free tier listed (unverified). Unverified means an editorial summary not yet confirmed on the vendor's pricing page.
Is ChatGPT or Gemini Notebook (formerly NotebookLM) open source?
ChatGPT is not open source; Gemini Notebook (formerly NotebookLM) is not open source.
How are these scores calculated?
Both tools are scored out of 100 on the same public rubric (job fit 30, ease 15, value 15, momentum 15, openness 10, trust 10, builder/gamer bonus 5) within their category. Current scores are initial editorial estimates from public information, not hands-on tests. Sponsors cannot buy points.
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