PDFsam Basic vs UPDF
as AI assistants see them, week of 2026-09-21
PDFsam Basic scores 6 overall versus UPDF's 2, and shows up in 7 of 68 answers compared to UPDF's 4. PDFsam Basic's standout moment is merging, splitting and reordering PDF pages, where it's named in every one of 4 answers. UPDF instead picks up single mentions across scattered questions like best PDF editors in 2026, small business value, and mobile or Mac editing. Head to head, each tool leads on 4 questions, with 12 questions tied. Neither is named for browser-based editing, redaction, AI chat with PDFs, or OCR.
Head to head
| metric | PDFsam Basic | UPDF |
|---|---|---|
| score | 6 | 2 |
| questions won | 4 | 4 |
By assistant
PDFsam Basic
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 5 | 5% of answers | #1.0 |
| Claude | 11 | 20% of answers | #6.8 |
| Gemini | not sampled this week | ||
| Perplexity | 5 | 5% of answers | #1.0 |
UPDF
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 0 | 0% of answers | |
| Claude | 7 | 10% of answers | #3.5 |
| Gemini | not sampled this week | ||
| Perplexity | 0 | 0% of answers |
Where they differ
Only PDFsam Basic gets named for
- What's the best tool to merge, split and reorder PDF pages?
- Which PDF tool is best for privacy and sensitive documents?
- What's the best free PDF editor?
- What are the best PDF editors?
Only UPDF gets named for
- What's the best PDF editor for Mac?
- Which PDF editor is best value for a small business?
- What are the best PDF editors in 2026?
- What's the best PDF editor app for iPhone or Android?
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Not sold on either?
Scores count how often each assistant names a product, weighted by position. How the score works · Full PDF editors leaderboard