Gemini Notebook (formerly NotebookLM) vs Perplexity Projects (formerly Spaces)
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Gemini Notebook (formerly NotebookLM)
Source-grounded research notebooks with audio, video and slide summari...
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Perplexity Projects (formerly Spaces)
Perplexity's persistent research workspaces, renamed from Spaces in 20...
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| RECATOOLS Score | 8.3 / 10 | 7.2 / 10 |
| Capability | ||
| Value for money | ||
| Ease of use | ||
| ASEAN readiness | ||
| API quality | ||
| Pricing | Freemium | Subscription |
| Free tier | Standard plan free with a Google account: 100 notebooks, 50 sources each, standard compute limits refreshing every five hours | Perplexity's free plan is search-only; Projects are a feature of paid plans and free access is not documented |
| Paid from | S$6.98/month via Google AI Plus (Singapore price), with Google AI Pro at S$28.99/month | From $20/month with Perplexity Pro ($17/month billed annually) |
| Has API | ✗ | ✗ |
| Open source | ✗ | ✗ |
| Free to use | ✓ | ✗ |
| Users | Reported in the millions of monthly active users in 2026 | — |
| Founded | 2023 | 2024 |
| Maker | Perplexity AI, Inc. | |
| Verdict | Gemini Notebook remains one of the most useful free research tools: it answers from your own sources with citations, and its Audio and Video Overviews, slide decks, quizzes and flashcards make study material easier to ab... |
Projects make Perplexity far more useful for ongoing work, keeping files, instructions and connected data together, and the new limits — 5,000 files per Project on every paid plan — are generous. The rename from Spaces m... |
| Full review → | Full review → |
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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.