← All writing and grammar checker rankings

Grammarly vs ProWritingAid: which one does AI recommend?

We asked ChatGPT, Gemini and Perplexity 10 questions buyers ask about writing and grammar checker — 30 answers in total — and counted who got named. Grammarly is named in 26 of 30 answers (87%); ProWritingAid in 21 (70%).

Grammarly

87%

named in 26 of 30 answers

ChatGPT: named in 100% of answers

Gemini: named in 60% of answers

Perplexity: named in 100% of answers

ProWritingAid

70%

named in 21 of 30 answers

How they rank against everyone else

Grammarly

87%

ProWritingAid

70%

LanguageTool

67%

QuillBot

47%

Hemingway Editor

40%

Microsoft Editor

20%

Trinka

17%

Paperpal

10%

Where does your product land?

Same 10 questions, your product, about a minute. No account.

Counts are mentions in AI answers, not endorsements, measured 2026-09-20. Nobody pays to appear.