GPTZero vs QuillBot vs Turnitin vs ZeroGPT Plus

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

Your tool
GPTZero
vs
Competitor 1
QuillBot
Competitor 2
Turnitin
Competitor 3
ZeroGPT Plus
Compare
4 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 QuillBot
quillbot.com
Rephrase until it sounds right
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Competitor Turnitin
turnitin.com
Turnitin is an academic integrity suite that schools, universities, and research organizations use to verify originality and deal with AI-written text.
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Competitor ZeroGPT Plus
zerogpt.plus
ZeroGPT Plus can detect if text came from AI with high accuracy
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Traffic estimated monthly website traffic
Monthly visits
11Mvisits/mo
31.4Mvisits/mo
—
92.5Kvisits/mo
MoM change
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▼ 8.4%
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▼ 14.1%
6-month growth
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-27.9%
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+100.2%
Global rank web
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#1,318
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#383,365
Avg. last 3 months
11M
36.7M
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85.7K
Bounce rate lower is better
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46%
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38%
Pages / visit
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5.5
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1.9
Visit duration
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2m 52s
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21s
Traffic sources
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● Direct 76% · ● Referral 22%
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● Direct 92% · ● Referral 4%
GPTZeroQuillBotTurnitinZeroGPT Plus
014.9M29.9M44.8M59.8MGPTZero · 11MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4MZeroGPT Plus · 107.3KZeroGPT Plus · 132.4KZeroGPT Plus · 53.1KZeroGPT Plus · 45.8KZeroGPT Plus · 46.2KZeroGPT Plus · 34.6KZeroGPT Plus · 24.8KZeroGPT Plus · 56.8KZeroGPT Plus · 107.7KZeroGPT Plus · 92.5K10K100K1M10M100MGPTZero · 11MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4MZeroGPT Plus · 107.3KZeroGPT Plus · 132.4KZeroGPT Plus · 53.1KZeroGPT Plus · 45.8KZeroGPT Plus · 46.2KZeroGPT Plus · 34.6KZeroGPT Plus · 24.8KZeroGPT Plus · 56.8KZeroGPT Plus · 107.7KZeroGPT Plus · 92.5KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
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Freemium
Starting price
$12.99per month · free tier available
$19.95per month · free tier available
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$9.9per month · free tier available
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
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Capabilities input → output
Input
TextDocuments
ImagesTextDocuments
DocumentsText
TextDocuments
Output
TextData
TextSlidesImagesDocuments
Data
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
AI Detection & SafetyAI DetectorAI Plagiarism Checker
AI Detection & SafetyWriting & ContentAI DetectorAI Grammar Checker+5 more
AI Detection & SafetyAI DetectorAI Plagiarism Checker
AI Detection & SafetyAI DetectorAI Plagiarism CheckerHumanizer AI
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
7
9
8
4
Detection
Plagiarism detection
AI authorship detection
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Content detection
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Grammar checking
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Content authenticity verification
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Paraphrasing
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Exam cheating
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Hallucination detection
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Summarizing
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Writing
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Academic integrity advising
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Document summarization
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Exam grading
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Proofreading
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Undetectable content writing
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 2
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
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.