QuillBot vs Grammarly vs LanguageTool vs GPTZero
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
QuillBot
vs
QuillBot
Competitor 1
Grammarly
Grammarly
Competitor 2
LanguageTool
LanguageTool
Competitor 3
GPTZero
GPTZeroCompare
4 tools · best value per row highlighted
Competitor
LanguageTool
LanguageTool
languagetool.org
LanguageTool checks grammar, spelling, punctuation, casing and style as you write, and works in more than 30 languages and dialects, including English, German, Portuguese, Spanish, French and Dutch.
Competitor
GPTZero
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
Traffic estimated monthly website traffic
Monthly visits
31.4Mvisits/mo
49.3Mvisits/mo
—
11Mvisits/mo
MoM change
▼ 8.4%
▲ 10.8%
—
—
6-month growth
-27.9%
-22.5%
—
—
Global rank web
#1,318
#688
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—
Avg. last 3 months
36.7M
46.5M
—
11M
Bounce rate lower is better
46%
40%
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—
Pages / visit
5.5
7.8
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—
Visit duration
2m 52s
4m 41s
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—
Traffic sources
● Direct 76% · ● Referral 22%
● Direct 85% · ● Referral 9%
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—
QuillBotGrammarlyLanguageToolGPTZero
Pricing
Model
Freemium
Freemium
Free
Freemium
Starting price
$19.95per month · free tier available
$12per month · free tier available
Free
$12.99per month · free tier available
Free tier
Free trial
–
–
–
API access
–
–
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Plans
—
Free FreePro Custom/moEnterprise Custom/mo
Free Free
Free FreePremium $12.99/moProfessional $24.99/mo
Capabilities input → output
Input
DocumentsImagesText
Text
Text
DocumentsText
Output
DocumentsImagesSlidesText
Text
Text
DataText
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
9
6
10
7
Grammar checking
Paraphrasing
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Plagiarism detection
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Detection
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Writing
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Proofreading
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AI authorship detection
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–
–
Content detection
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–
–
Hallucination detection
–
–
–
Multilingual grammar assistance
–
–
–
Summarizing
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–
–
Content authenticity verification
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–
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Document summarization
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–
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Dutch text correction
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French grammar checking
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–
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French text correction
–
–
–
Multilingual writing assistance
–
–
–
Spanish text correction
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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
▲ 2
▲ 1
▲ 0
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
–
–
–
–
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.