Option A: Gemini Notebook: builds the claim map and summary
Best when: You want AI to do both passes with a check between.
What it does: Gemini Notebook maps and drafts; you check between passes.
Strong at: Second pass starts fresh from only your checked map.
Limit: Grounding is vendor wording; check every reference yourself.
Free plan: Yes
Option B: ChatGPT: drafts only from your hand-built map
Best when: You already know the document and want to map it yourself.
What it does: You build the map; ChatGPT drafts from it.
Strong at: No AI extraction needs correcting.
Limit: Free plan caps uploads: 3 files per day, 80 per 3 hours.
Free plan: Yes, limited (upload caps)
Option C: Claude: builds the claim map and drafts the summary
Best when: You want Claude to extract the claim map and draft.
What it does: Claude maps and drafts; you check both.
Strong at: Writing and editing with extended thinking fits this work.
Limit: Claim-classification accuracy is not proven; compare the map.
Free plan: Yes