GPTZero vs QuillBot vs RewriteBar

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
RewriteBar
Competitor 3
Suggested competitors for GPTZero: Originality.AI88% Winston AI85% Copyleaks84% ZeroGPT78% Turnitin74% Dechecker AI72% ZeroGPT Plus70% Detecting-AI.com70%
Compare
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 QuillBot
quillbot.com
Rephrase until it sounds right
Make main Remove
Competitor RewriteBar
rewritebar.com
RewriteBar offers a free trial before you buy
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
11Mvisits/mo
31.4Mvisits/mo
21.9Kvisits/mo
MoM change
—
▼ 8.4%
▲ 13.9%
6-month growth
—
-27.9%
+335.2%
Global rank web
—
#1,318
#1,393,026
Avg. last 3 months
11M
36.7M
18.4K
Bounce rate lower is better
—
46%
41%
Pages / visit
—
5.5
2.0
Visit duration
—
2m 52s
1m 09s
Traffic sources
—
● Direct 76% · ● Referral 22%
—
GPTZeroQuillBotRewriteBar
014.9M29.9M44.8M59.8MGPTZero · 11MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4MRewriteBar · 2.3KRewriteBar · 5.3KRewriteBar · 8.9KRewriteBar · 6.5KRewriteBar · 5KRewriteBar · 5.4KRewriteBar · 15.5KRewriteBar · 14.2KRewriteBar · 19.2KRewriteBar · 21.9K1K10K100K1M10M100MGPTZero · 11MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4MRewriteBar · 2.3KRewriteBar · 5.3KRewriteBar · 8.9KRewriteBar · 6.5KRewriteBar · 5KRewriteBar · 5.4KRewriteBar · 15.5KRewriteBar · 14.2KRewriteBar · 19.2KRewriteBar · 21.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Starting price
$12.99per month · free tier available
$19.95per month · free tier available
$29per month · free tier available
Free tier
Free trial
–
–
API access
–
–
Plans
Free FreePremium $12.99/moProfessional $24.99/mo
—
Trial FreeStandard $29Pro $59Gateway $40/yr
Capabilities input → output
Input
DocumentsText
DocumentsImagesText
Text
Output
DataText
DocumentsImagesSlidesText
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
AI Detection & SafetyAI DetectorAI Plagiarism Checker
AI Detection & SafetyWriting & ContentAI DetectorAI Grammar Checker+5 more
Education & LearningWriting & ContentAI Grammar CheckerAI Rewriter+2 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
9
4
Grammar checking
Detection
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Paraphrasing
–
Plagiarism detection
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Writing
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AI authorship detection
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–
Translations
–
–
Content detection
–
–
Hallucination detection
–
–
Summarizing
–
–
Content authenticity verification
–
–
Document summarization
–
–
Proofreading
–
–
Undetectable content writing
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 2
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
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–
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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.