NotebookLM vs ChatGPT PDF Study Evidence Pack
NotebookLM vs ChatGPT PDF Study Evidence Pack
This page shows the evidence behind the three public PDF study workflow guides. It is intentionally small: one synthetic study handout, one shared prompt, one NotebookLM run, one ChatGPT run, screenshots, outputs, scoring sheet, and limitation notes.
Tested with
| Field | Value |
|---|---|
| Test source | One synthetic study handout about attention, working memory, long-term memory, retrieval practice, spacing, recognition, recall, and a three-day review plan |
| Prompt | Same-source study prompt |
| NotebookLM run | One captured run |
| ChatGPT run | One captured run |
| Last checked | 2026-07-09 |
| Claim type | Practical workflow test, not a broad benchmark |
What this evidence supports
The evidence supports a narrow workflow recommendation:
- Use NotebookLM first when the job is source-grounded extraction and source checking.
- Use ChatGPT second when the job is explanation, quiz generation, answer-key formatting, and review planning.
- Verify high-stakes claims against the original PDF/source before trusting them.
It does not prove that either tool is always more accurate, better for every PDF, or sufficient for graded/cited work without checking.
Screenshots



Raw files
| File | Link |
|---|---|
| Source handout Markdown | same-source-study-notes.md |
| Source handout PDF | same-source-study-notes.pdf |
| Shared prompt | same-source-prompt.txt |
| NotebookLM output | notebooklm-output.md |
| ChatGPT output | chatgpt-output.md |
| Evaluation rubric | evaluation-rubric.md |
| Scoring sheet | scoring-sheet.csv |
| Unsupported claims log | unsupported-claims-log.md |
| Source claim map | source-claim-map.md |
| Evidence manifest | evidence-manifest.md |