NotebookLM
Google's research notebook that grounds answers in your uploaded sources and makes audio overviews.
Rankings
74
#4 in Research & Search
Pick this if you're studying your own documents and papers.
Score breakdown
| Editorial fit estimated | 87 |
| GitHub stars | n/a (closed source) |
| HN stories (90d) | 11 → 36 |
| Pricing | Free; higher limits with paid plans |
| Signals fetched | Oct 16, 2026 |