ZeroGPT vs GPTZero vs Undetectable AI vs StealthGPT

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

Your tool
ZeroGPT
vs
Competitor 1
GPTZero
Competitor 2
Undetectable AI
Competitor 3
StealthGPT
Compare
4 tools · best value per row highlighted
Your tool ZeroGPT
zerogpt.com
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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 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 StealthGPT
stealthgpt.ai
StealthGPT is an AI humanizer and writing assistant that rewrites generated text so it reads naturally and avoids detector flags.
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Traffic estimated monthly website traffic
Monthly visits
20.5Mvisits/mo
11Mvisits/mo
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MoM change
▲ 5.1%
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6-month growth
-29.5%
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Global rank web
#3,675
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Avg. last 3 months
20.5M
11M
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Bounce rate lower is better
60%
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Pages / visit
2.2
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Visit duration
2m 53s
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Traffic sources
● Direct 90% · ● Referral 9%
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ZeroGPTGPTZeroUndetectable AIStealthGPT
07.3M14.7M22M29.3MZeroGPT · 29.3MZeroGPT · 23.5MZeroGPT · 20.6MZeroGPT · 23.3MZeroGPT · 29.1MZeroGPT · 28.2MZeroGPT · 26.3MZeroGPT · 21.4MZeroGPT · 19.5MZeroGPT · 20.5MGPTZero · 11M10M100MZeroGPT · 29.3MZeroGPT · 23.5MZeroGPT · 20.6MZeroGPT · 23.3MZeroGPT · 29.1MZeroGPT · 28.2MZeroGPT · 26.3MZeroGPT · 21.4MZeroGPT · 19.5MZeroGPT · 20.5MGPTZero · 11MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Paid
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Starting price
$7.99per month
$12.99per month · free tier available
$5per month
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Free tier
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Free trial
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API access
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Plans
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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
DocumentsImagesTextVideo
DocumentsText
DocumentsImagesText
Text
Output
Text
DataText
DataText
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
AI Detection & SafetyAI DetectorAI Image DetectorAI Plagiarism Checker+1 more
AI Detection & SafetyAI DetectorAI Plagiarism Checker
AI Detection & SafetyAI DetectorAI Image DetectorHumanizer AI
AI Detection & SafetyAI DetectorHumanizer AI
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
2
7
3
0
Detection
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Plagiarism detection
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AI authorship detection
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Content detection
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Hallucination detection
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Image authenticity analysis
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Audio detection
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Content authenticity verification
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Grammar checking
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
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.