PDF Expert vs Sejda

as AI assistants see them, week of 2026-10-26

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PDF Expert and Sejda land close together in AI answers, with overall scores of 14 and 16 out of 100. Sejda edges ahead overall, named in 19 of 68 answers versus PDF Expert's 15, and it sweeps the browser-based editor question at 4 of 4, plus free PDF editor and no-subscription editing at 3 of 3 each. PDF Expert, meanwhile, is named in all 4 answers about the best mobile PDF editor and all 3 about the best PDF editor for Mac. Head-to-head across shared questions, Sejda comes out ahead 6 times, PDF Expert 5, with 9 ties.

Head to head

metric	PDF Expert	Sejda
score	15	14
questions won	11	13

By assistant

PDF Expert

assistant	score	named in, this week	usual spot, this week
ChatGPT	12	15% of answers	#3.3
Claude	19	30% of answers	#5.3
Gemini	not sampled this week
Perplexity	not sampled this week

Sejda

assistant	score	named in, this week	usual spot, this week
ChatGPT	16	25% of answers	#3.0
Claude	19	50% of answers	#8.7
Gemini	not sampled this week
Perplexity	not sampled this week

Where they differ

Only PDF Expert gets named for

What are the best alternatives to Preview?
What's the best PDF editor app for iPhone or Android?
What are the best alternatives to PDF-XChange Editor?

Only Sejda gets named for

What's the best online PDF editor that works in the browser?
What's the best free PDF editor?
What's the best tool to edit a PDF without a subscription?
What's the best tool to fill in and sign a PDF form?
What's the best PDF editor for Windows?

More comparisons

Not sold on either?

Scores count how often each assistant names a product, weighted by position. How the score works · Full PDF editors leaderboard