Copyleaks vs GPTZero vs Grammarly vs Reality Defender

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
Reality Defender
Compare
4 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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Competitor Reality Defender
realitydefender.com
Reality Defender detects deepfakes and AI-manipulated media across audio, video and images.
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Traffic estimated monthly website traffic
Monthly visits
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11Mvisits/mo
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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11M
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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CopyleaksGPTZeroGrammarlyReality Defender
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
Free
Starting price
$13.99per month
$12.99per month · free tier available
$12per month · free tier available
Free
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 FreePremium $12.99/moProfessional $24.99/mo
Free FreePro Custom/moEnterprise Custom/mo
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Capabilities input → output
Input
CodeDocumentsImagesTextVideo
DocumentsText
Text
AudioImagesVideo
Output
Data
DataText
Text
Data
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Intermediate
Categories
AI Detection & SafetyAI DetectorAI Image DetectorAI Plagiarism Checker
AI Detection & SafetyAI DetectorAI Plagiarism Checker
AI Detection & SafetyWriting & ContentAI DetectorAI Grammar Checker+4 more
AI Detection & SafetyAI DetectorAI Image Detector
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
10
7
6
10
Detection
Plagiarism detection
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Grammar checking
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AI authorship detection
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Content detection
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Deepfake detection
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APIs
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Content authenticity verification
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Image authenticity analysis
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Deepfakes
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Paraphrasing
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Writing
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Audio detection
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Hallucination detection
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Proofreading
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Video audio detection
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Content moderation
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Edited image detection
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Fraud detection
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Identity verification
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
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Saves
0
0
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Reviews
0
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Prompts
0
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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.