Copyleaks vs GPTZero vs Grammarly

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

Your tool
Copyleaks
vs
Competitor 1
GPTZero
Competitor 2
Grammarly
Competitor 3
Suggested competitors for Copyleaks: Winston AI100% Pangram Labs96% AI or Not93% Undetectable AI91% Reality Defender90% Illuminarty89% Sensity AI88% Slop Or Not AI88%
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3 tools · best value per row highlighted
Your tool Copyleaks
copyleaks.com
Copyleaks is a content authenticity platform that checks whether text was written by AI and whether it copies existing sources.
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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 Grammarly
grammarly.com
Writing confidence that follows you everywhere
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Traffic estimated monthly website traffic
Monthly visits
—
11Mvisits/mo
49.3Mvisits/mo
MoM change
—
—
▲ 10.8%
6-month growth
—
—
-22.5%
Global rank web
—
—
#688
Avg. last 3 months
—
11M
46.5M
Bounce rate lower is better
—
—
40%
Pages / visit
—
—
7.8
Visit duration
—
—
4m 41s
Traffic sources
—
—
● Direct 85% · ● Referral 9%
CopyleaksGPTZeroGrammarly
015.9M31.8M47.7M63.6MGPTZero · 11MGrammarly · 58.8MGrammarly · 54.5MGrammarly · 55.9MGrammarly · 55.7MGrammarly · 63.6MGrammarly · 58.3MGrammarly · 54MGrammarly · 45.8MGrammarly · 44.5MGrammarly · 49.3M10M100MGPTZero · 11MGrammarly · 58.8MGrammarly · 54.5MGrammarly · 55.9MGrammarly · 55.7MGrammarly · 63.6MGrammarly · 58.3MGrammarly · 54MGrammarly · 45.8MGrammarly · 44.5MGrammarly · 49.3MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Freemium
Starting price
$13.99per month
$12.99per month · free tier available
$12per month · free tier available
Free tier
–
Free trial
–
–
API access
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Plans
Personal $13.99/moPro $74.99/moEnterprise CustomEducation Custom
Free FreePremium $12.99/moProfessional $24.99/mo
Free FreePro Custom/moEnterprise Custom/mo
Capabilities input → output
Input
CodeDocumentsImagesTextVideo
DocumentsText
Text
Output
Data
DataText
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
AI Detection & SafetyAI DetectorAI Image DetectorAI Plagiarism Checker
AI Detection & SafetyAI DetectorAI Plagiarism Checker
AI Detection & SafetyWriting & ContentAI DetectorAI Grammar Checker+4 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
2
7
6
Detection
Grammar checking
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Plagiarism detection
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AI authorship detection
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–
Paraphrasing
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–
Writing
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–
Content detection
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–
Hallucination detection
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–
Image authenticity analysis
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–
Proofreading
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–
Content authenticity verification
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–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 1
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.