GPTZero vs QuillBot vs Originality.AI vs Winston AI

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
Originality.AI
Competitor 3
Winston AI
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 Originality.AI
originality.ai
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Competitor Winston AI
gowinston.ai
Winston AI is an AI content detector and plagiarism checker built for education, SEO, and writing.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
11Mvisits/mo
31.4Mvisits/mo
1.7Mvisits/mo
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MoM change
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▼ 8.4%
▼ 3.1%
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6-month growth
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-27.9%
-37.9%
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Global rank web
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#1,318
#37,307
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Avg. last 3 months
11M
36.7M
1.8M
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Bounce rate lower is better
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46%
56%
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Pages / visit
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5.5
2.5
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Visit duration
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2m 52s
2m 31s
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Traffic sources
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● Direct 76% · ● Referral 22%
● Direct 86% · ● Referral 13%
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GPTZeroQuillBotOriginality.AIWinston AI
014.9M29.9M44.8M59.8MGPTZero · 11MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4MOriginality.AI · 2.6MOriginality.AI · 2.5MOriginality.AI · 2.2MOriginality.AI · 2.2MOriginality.AI · 2.7MOriginality.AI · 2.5MOriginality.AI · 2.4MOriginality.AI · 1.9MOriginality.AI · 1.7MOriginality.AI · 1.7M1M10M100MGPTZero · 11MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4MOriginality.AI · 2.6MOriginality.AI · 2.5MOriginality.AI · 2.2MOriginality.AI · 2.2MOriginality.AI · 2.7MOriginality.AI · 2.5MOriginality.AI · 2.4MOriginality.AI · 1.9MOriginality.AI · 1.7MOriginality.AI · 1.7MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$12.99per month · free tier available
$19.95per month · free tier available
$12.95per month · free tier available
$10per month · free tier available
Free tier
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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Basic FreePro $12.95/moEnterprise $136.58/mo
Free FreeEssential $10/moAdvanced $16/moElite $26/mo+1 more
Capabilities input → output
Input
TextDocuments
ImagesTextDocuments
Web pagesTextDocuments
TextImagesDocuments
Output
TextData
TextSlidesImagesDocuments
DataText
Data
Skill level
Beginner-friendly
Beginner-friendly
Intermediate
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 Image DetectorAI Plagiarism Checker
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
7
9
8
8
Detection
Plagiarism detection
Content detection
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Content authenticity verification
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AI authorship detection
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Grammar checking
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Proofreading
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Paraphrasing
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Hallucination detection
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Image authenticity analysis
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OCR
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Summarizing
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Writing
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Deepfake detection
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Document summarization
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Editorial fact checking
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Fact checking
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SEO
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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
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.