Copyleaks vs Grammarly vs Undetectable AI

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

Your tool
Copyleaks
vs
Competitor 1
Grammarly
Competitor 2
Undetectable AI
Competitor 3
Compare
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.
Competitor Grammarly
grammarly.com
Writing confidence that follows you everywhere
Competitor Undetectable AI
undetectable.ai
Undetectable AI bundles an AI text detector, an AI humanizer and an AI image detector into one account.
Traffic estimated monthly website traffic
Monthly visits
—
49.3Mvisits/mo
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MoM change
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▲ 10.8%
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6-month growth
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-22.5%
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Global rank web
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#688
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Avg. last 3 months
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46.5M
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Bounce rate lower is better
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40%
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Pages / visit
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7.8
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Visit duration
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4m 41s
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Traffic sources
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● Direct 85% · ● Referral 9%
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CopyleaksGrammarlyUndetectable AI
015.9M31.8M47.7M63.6MGrammarly · 58.8MGrammarly · 54.5MGrammarly · 55.9MGrammarly · 55.7MGrammarly · 63.6MGrammarly · 58.3MGrammarly · 54MGrammarly · 45.8MGrammarly · 44.5MGrammarly · 49.3M10M100MGrammarly · 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
Paid
Starting price
$13.99per month
$12per month · free tier available
$5per month
Free tier
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Free trial
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API access
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Plans
Personal $13.99/moPro $74.99/moEnterprise CustomEducation Custom
Free FreePro Custom/moEnterprise Custom/mo
10K words $5/mo20K words $9.50/mo35K words $15.75/mo50K words $21.25/mo+1 more
Capabilities input → output
Input
CodeDocumentsImagesTextVideo
Text
DocumentsImagesText
Output
Data
Text
DataText
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
6
8
Detection
Content detection
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Plagiarism detection
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Image authenticity analysis
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AI authorship detection
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Grammar checking
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Paraphrasing
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Text humanization
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Writing
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Content authenticity verification
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Proofreading
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Undetectable content writing
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Audio detection
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Deepfake detection
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–
Edited image detection
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Text enhancement
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–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
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–
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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.