Option A: Claude: proposes pain hypotheses, you check, it drafts the map
Best when: You want a correction gate between two AI passes
What it does: Claude proposes hypotheses and drafts; you check and cut
Strong at: Drafts and edits in many formats
Limit: You inspect both the hypothesis list and the map
Free plan: Yes, limited (5-hour and weekly usage caps)
Option B: ChatGPT: drafts the pain map from your hypotheses
Best when: You author the hypotheses; the tool drafts the map
What it does: ChatGPT drafts the map; you check and cut
Strong at: Keeps chats, files and instructions together in a project
Limit: An omission in your list still needs catching at the end
Free plan: Yes, limited (file uploads, images, voice, data analysis)
Option C: Gemini Notebook: proposes hypotheses, you build the map
Best when: You want AI help with hypotheses, final map stays local
What it does: Gemini Notebook proposes hypotheses; you build the map
Strong at: Grounded answers with citations
Limit: You compose the final map after correcting the hypotheses
Free plan: Yes, limited (sources capped at 500,000 words or 200 MB)