GPTZero vs Undetectable AI vs ZeroGPT

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

Your tool
GPTZero
vs
Competitor 1
Undetectable AI
Competitor 2
ZeroGPT
Competitor 3
Suggested competitors for GPTZero: Originality.AI88% Winston AI85% Copyleaks84% Turnitin74% Dechecker AI72% Grammarly70% ZeroGPT Plus70% Detecting-AI.com70%
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3 tools · best value per row highlighted
Your tool 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 Undetectable AI
undetectable.ai
Undetectable AI bundles an AI text detector, an AI humanizer and an AI image detector into one account.
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Competitor ZeroGPT
zerogpt.com
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Traffic estimated monthly website traffic
Monthly visits
11Mvisits/mo
—
20.5Mvisits/mo
MoM change
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▲ 5.1%
6-month growth
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-29.5%
Global rank web
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#3,675
Avg. last 3 months
11M
—
20.5M
Bounce rate lower is better
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60%
Pages / visit
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2.2
Visit duration
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2m 53s
Traffic sources
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● Direct 90% · ● Referral 9%
GPTZeroUndetectable AIZeroGPT
07.3M14.7M22M29.3MGPTZero · 11MZeroGPT · 29.3MZeroGPT · 23.5MZeroGPT · 20.6MZeroGPT · 23.3MZeroGPT · 29.1MZeroGPT · 28.2MZeroGPT · 26.3MZeroGPT · 21.4MZeroGPT · 19.5MZeroGPT · 20.5M10M100MGPTZero · 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
Paid
Paid
Starting price
$12.99per month · free tier available
$5per month
$7.99per month
Free tier
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Free trial
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API access
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Plans
Free FreePremium $12.99/moProfessional $24.99/mo
10K words $5/mo20K words $9.50/mo35K words $15.75/mo50K words $21.25/mo+1 more
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Capabilities input → output
Input
DocumentsText
DocumentsImagesText
DocumentsImagesTextVideo
Output
DataText
DataText
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
AI Detection & SafetyAI DetectorAI Plagiarism Checker
AI Detection & SafetyAI DetectorAI Image DetectorHumanizer AI
AI Detection & SafetyAI DetectorAI Image DetectorAI Plagiarism Checker+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
8
2
Detection
Content detection
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Plagiarism detection
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AI authorship detection
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Text humanization
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Hallucination detection
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Image authenticity analysis
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Undetectable content writing
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Audio detection
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Content authenticity verification
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Edited image detection
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Grammar checking
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Text enhancement
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 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.