Grammarly vs GPTZero vs ZeroGPT

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Grammarly
vs
Competitor 1
GPTZero
Competitor 2
ZeroGPT
Competitor 3
Suggested competitors for Grammarly: QuillBot88% Wordtune86% Originality.AI86% Undetectable AI85% Copyleaks85% ProWritingAid84% Scribbr Plagiarism Checker83% LanguageTool82%
Compare
3 tools · best value per row highlighted
Your tool Grammarly
grammarly.com
Writing confidence that follows you everywhere
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Competitor GPTZero
gptzero.me
Used by over 10 million teachers and students across more than 100 countries, GPTZero detects AI-generated text across major language models while providing a suite of writing verification tools
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Competitor ZeroGPT
zerogpt.com
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
49.3Mvisits/mo
11Mvisits/mo
20.5Mvisits/mo
MoM change
▲ 10.8%
—
▲ 5.1%
6-month growth
-22.5%
—
-29.5%
Global rank web
#688
—
#3,675
Avg. last 3 months
46.5M
11M
20.5M
Bounce rate lower is better
40%
—
60%
Pages / visit
7.8
—
2.2
Visit duration
4m 41s
—
2m 53s
Traffic sources
● Direct 85% · ● Referral 9%
—
● Direct 90% · ● Referral 9%
GrammarlyGPTZeroZeroGPT
015.9M31.8M47.7M63.6MGrammarly · 58.8MGrammarly · 54.5MGrammarly · 55.9MGrammarly · 55.7MGrammarly · 63.6MGrammarly · 58.3MGrammarly · 54MGrammarly · 45.8MGrammarly · 44.5MGrammarly · 49.3MGPTZero · 11MZeroGPT · 29.3MZeroGPT · 23.5MZeroGPT · 20.6MZeroGPT · 23.3MZeroGPT · 29.1MZeroGPT · 28.2MZeroGPT · 26.3MZeroGPT · 21.4MZeroGPT · 19.5MZeroGPT · 20.5M10M100MGrammarly · 58.8MGrammarly · 54.5MGrammarly · 55.9MGrammarly · 55.7MGrammarly · 63.6MGrammarly · 58.3MGrammarly · 54MGrammarly · 45.8MGrammarly · 44.5MGrammarly · 49.3MGPTZero · 11MZeroGPT · 29.3MZeroGPT · 23.5MZeroGPT · 20.6MZeroGPT · 23.3MZeroGPT · 29.1MZeroGPT · 28.2MZeroGPT · 26.3MZeroGPT · 21.4MZeroGPT · 19.5MZeroGPT · 20.5MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Paid
Starting price
$12per month · free tier available
$12.99per month · free tier available
$7.99per month
Free tier
–
Free trial
–
–
API access
–
–
Plans
Free FreePro Custom/moEnterprise Custom/mo
Free FreePremium $12.99/moProfessional $24.99/mo
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Capabilities input → output
Input
Text
DocumentsText
DocumentsImagesTextVideo
Output
Text
DataText
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
AI Detection & SafetyWriting & ContentAI DetectorAI Grammar Checker+4 more
AI Detection & SafetyAI DetectorAI Plagiarism Checker
AI Detection & SafetyAI DetectorAI Image DetectorAI Plagiarism Checker+1 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
6
7
2
Detection
Plagiarism detection
Grammar checking
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AI authorship detection
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–
Paraphrasing
–
–
Writing
–
–
Content detection
–
–
Hallucination detection
–
–
Proofreading
–
–
Content authenticity verification
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 1
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.