Pick A for very large exports that need batching, B for medium sets that fit one paste and benefit from quoted examples, C when the export already lives in Excel and every row should be reviewed in place.
Option A: ChatGPT: themes comments in batches, you check
Best when: You want to work through comments in batches.
What it does: ChatGPT drafts and merges; you check and recount.
Strong at: Writes, rewrites and summarises text.
Limit: Free plan limits file uploads, so paste text instead.
Free plan: Yes, limited (images, voice, file uploads)
Option B: Claude: themes all comments at once, you check
Best when: You want all comments themed in one pass.
What it does: Claude themes and recounts; you check each comment.
Strong at: Drafts and edits text; summarises documents.
Limit: Usage is capped in 5-hour and weekly windows.
Free plan: Yes, limited (usage capped in 5-hour and weekly windows)
Option C: Copilot in Excel: sorts each row, you check
Best when: Your comments already live in Excel.
What it does: Copilot in Excel sorts each row; you check each assignment.
Strong at: Edits worksheets and builds charts and PivotTables from prompts.
Limit: Needs a Microsoft 365 plan with Copilot; editing needs Automatic calculation.
Free plan: Paid plan needed