Option A: Claude: maps the facts and drafts the reply
Best when: One assistant for both stages in one chat
What it does: Claude extracts and drafts; you check both
Strong at: Uploads accept PDF, DOCX, CSV and TXT
Limit: Chat uploads capped at 20 files; split large sets
Free plan: Yes, limited (usage caps)
Option B: Gemini Notebook: finds the passages, you write the reply
Best when: You trace every claim to a passage and write the reply
What it does: Gemini Notebook finds passages; you write it all
Strong at: Each terms version can be its own checkbox source
Limit: Sources capped at 500,000 words or 200 MB each
Free plan: Yes
Option C: ChatGPT: builds the worksheet and drafts, two checks
Best when: Extraction and draft done for you, two checks between
What it does: ChatGPT extracts and drafts; two people check
Strong at: Applies a supplied checklist and pulls quotes
Limit: A fact can map to the wrong version; check line by line
Free plan: Yes, limited (uploads, images, voice, data analysis)