Nitro PDF vs Preview
as AI assistants see them, week of 2026-09-21
Nitro PDF and Preview show up almost equally often overall, named in 22 of 68 and 21 of 68 answers respectively, and head-to-head it's close too: Preview edges ahead on 7 questions, Nitro PDF on 6, with 7 ties. Nitro PDF scores higher overall (24 vs 17) and leads on ChatGPT and Perplexity, while Preview scores highest on Claude (35). Nitro PDF is named in every answer for "best value for a small business" (4 of 4) and "best PDF editors" (3 of 3), and both tools are named in all 3 answers for best Mac PDF editor. Neither is ever named for AI-powered PDF chat or OCR tools.
Head to head
| metric | Nitro PDF | Preview |
|---|---|---|
| score | 24 | 17 |
| questions won | 10 | 12 |
By assistant
Nitro PDF
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 21 | 30% of answers | #3.7 |
| Claude | 28 | 40% of answers | #4.0 |
| Gemini | not sampled this week | ||
| Perplexity | 23 | 30% of answers | #3.0 |
Preview
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 4 | 5% of answers | #3.0 |
| Claude | 35 | 55% of answers | #4.8 |
| Gemini | not sampled this week | ||
| Perplexity | 13 | 20% of answers | #5.0 |
Where they differ
Only Nitro PDF gets named for
- What's the best PDF editor for Windows?
- What's the best tool to convert a PDF to Word or Excel?
Only Preview gets named for
- What's the best tool to fill in and sign a PDF form?
- What's the best tool to merge, split and reorder PDF pages?
- What's the best free PDF editor?
- What's the best online PDF editor that works in the browser?
More comparisons
- Foxit vs Nitro PDF
- Nitro PDF vs PDF-XChange Editor
- Nitro PDF vs PDFgear
- Nitro PDF vs Smallpdf
- Preview vs Stirling PDF
- Preview vs Sejda
Not sold on either?
Scores count how often each assistant names a product, weighted by position. How the score works · Full PDF editors leaderboard