Option A: ChatGPT: reads receipts and drafts claim lines, you check
Best when: You want receipt-line proposals before checking line by line.
What it does: ChatGPT reads photos and drafts lines; you check each one.
Strong at: Reads receipts and copies purposes from your note.
Limit: Image input does not establish receipt-field correctness.
Free plan: Yes, limited (file uploads, data analysis)
Option B: Gemini: proposes claim lines and mismatches, you check
Best when: You want a second pass that flags mismatches.
What it does: Gemini proposes lines and flags mismatches; you check all rows.
Strong at: Reads receipt photos and compares them to your table.
Limit: Upload support does not establish mismatch detection.
Free plan: Yes, limited
Option C: Claude: builds the claim workbook from your ledger
Best when: You prefer reading receipts yourself.
What it does: You read receipts; Claude lays out the workbook.
Strong at: Builds the workbook from your checked ledger.
Limit: File creation does not establish the form layout is reproduced correctly.
Free plan: Yes, limited (usage capped in 5-hour and weekly windows)