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Plain English questions. Cited answers from your documents.
| Alcove | NotebookLM | ChatGPT | |
|---|---|---|---|
| Self-hosted | ✓ | ✗ | ✗ |
| Your data stays local | ✓ | ✗ | ✗ |
| Source citations | ✓ | ✓ | Partial |
| Audio overviews | ✓ | ✓ | ✗ |
| Free tier | Free forever | Free | Limited |
| Cost at scale | $0 (your hardware) | Google's call | $20+/mo |