NotebookLM
Research and summarize your own sources.
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Compare published platform data side by side. Unknown values are labeled instead of estimated.
| Criteria | NotebookLM | Perplexity Verified |
|---|---|---|
| Category | Writing | Writing |
| Pricing | free | freemium |
| Rating | 4.7 (0 reviews) | 4.6 (5000 reviews) |
| Platforms | web | web, ios, android |
| Best for | research, summarization, notes | research, search, fact checking |
| Features | No verified feature data | No verified feature data |
| Free plan | Not verified | Not verified |
| Pros | source grounded research, summarization, study | citations, web research, fast answers |
| Limitations | Not verified | premium model limits |
Start with the row that reflects your constraint: pricing for budget-sensitive work, platforms for your existing stack, and features or use cases for the job you need to complete. AITools leaves unknown fields clearly marked so the decision stays grounded in published data.
Research and summarize your own sources.
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