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Home›AI Companies›GPTZero

GPTZero

Productivity

by GPTZero🇺🇸

Best free AI detector - simply paste your text to instantly get an overall AI score and advanced sentence by sentence detection.

GPTZero is an AI detection tool designed for educators and anyone who wants to detect AI-generated texts. The tool boasts of over a million users and has been featured in major news outlets like CNN, BBC, and The New York Times. GPTZero features a plagiarism score that provides a holistic score for ...

Top 1%·16.8M visits/mo
gptzero.mePricingXLinkedIn
GPTZero preview

Overall Score

53

Top 1%

of AI companies

Overall Score

53

Top 1%

GitHub Stars

—

no public repo

Monthly Visits

16.8M

4m 15s avg visit

AI Referrals

173K / mo

chatgpt.com, gemini.google.com, perplexity.ai

Executive summary

GPTZero is an AI detection tool designed for educators and anyone who wants to detect AI-generated texts. The tool boasts of over a million users and has been featured in major news outlets like CNN, BBC, and The New York Times. GPTZero features a plagiarism score that provides a holistic score for ...

Productivity
  • Operates in productivity.
  • Roughly 16.8M monthly visits — meaningful audience reach.
  • Receives notable referral traffic from AI assistants.
  • 30K community saves — strong watchlist signal.

Recent signals

Latest detected signals across traffic, developer activity and community mentions.

  1. HN: "EY Canada published a cybersecurity report and most citations were ha…"

    May 30, 2026·326 points · 141 comments
  2. Indexed by indexator.ai

    Mar 11, 2026

Traffic & Engagement

May 2026
Monthly Visits
16.8M
Visit Duration
4m 15s
Pages / Visit
5.59
Bounce Rate
17.2%

AI Referrals

173K / mo

Referral growth vs previous period

  • chatgpt.com+9681%
  • gemini.google.com+232%
  • perplexity.ai+64%

Top Keywords

May 2026
KeywordVolume / MoCPC
ai detector8,155,340$0.32
gptzero1,390,000$0.50
ai checker4,514,480$0.41
gpt zero896,220$0.77
zerogpt1,473,630$0.18

Top Countries

  • 🇺🇸US41.8%
  • 🇬🇧GB5.4%
  • 🇦🇺AU4.4%
  • 🇨🇦CA4.0%
  • 🇮🇳IN3.2%

Pricing

from gptzero.me

Products

custom

Annual (Save 45%)Monthly

$0

/ yearly

About GPTZero

GPTZero is an AI detection tool designed for educators and anyone who wants to detect AI-generated texts. The tool boasts of over a million users and has been featured in major news outlets like CNN, BBC, and The New York Times. GPTZero features a plagiarism score that provides a holistic score for ...

Founded2023
HeadquartersUS
Website

Track GPTZero

Get notified when score, traffic, GitHub or community signals change.

Recent signals

Latest detected signals across traffic, developer activity and community mentions.

  1. HN: "EY Canada published a cybersecurity report and most citations were ha…"

    May 30, 2026·326 points · 141 comments
  2. Indexed by indexator.ai

    Mar 11, 2026

Score

Score breakdown

Overall 53/100

Six signals, each 0–100, blended into the overall by their listed weight.

41·20%
0·10%
18·25%

Pricingfrom gptzero.me ↗
USD

Products

custom

  • Products

Community snapshot
Featuredv1.0by GPTZero

YHacker News

Mentions

2

Show HN

0

Total points

328

Comments

141

2 mentions in the last 30 days

EY Canada published a cybersecurity report and most citations were hallucinated

Questions people ask

Generated from public signals and search intent.

Why it ranks

Overall 53/100
  • Traffic is moderate
    41/100
  • GitHub is not enough data
    0/100
  • Community is light
    18/100
  • Momentum is strong
    100/100

Each dimension is weighted (traffic 20% · community 25% · growth 15% · momentum 15% · innovation 10%) and combined into the overall.

View full analytics →

Featured on Product Hunt

Jan 2023
  • Launched on Product Hunt

    Jan 2023·135 upvotes · 6 comments
  • Traffic Sources

    May 2026
    • searchorganic59.6%
    • direct34.0%
    • referrals2.9%
    • socialorganic1.2%
    • genai1.2%
    • searchpaid0.5%
    • mail0.5%
    • displayads0.1%
    • socialpaid0.0%
    • affiliate0.0%
    gptzero.me

    Featured on Product Hunt

    Jan 2023
  • Launched on Product Hunt

    Jan 2023·135 upvotes · 6 comments
  • 100·15%

    Score trend

    last 90 days

    Traffic

    Traffic & Engagement

    May 2026
    Monthly Visits
    16.8M
    Visit Duration
    4m 15s
    Pages / Visit
    5.59
    Bounce Rate
    17.2%

    Traffic Sources

    May 2026
    • searchorganic59.6%
    • direct34.0%
    • referrals2.9%
    • socialorganic1.2%
    • genai1.2%
    • searchpaid0.5%
    • mail0.5%
    • displayads0.1%
    • socialpaid0.0%
    • affiliate0.0%

    Top Countries

    • 🇺🇸US41.8%
    • 🇬🇧GB5.4%
    • 🇦🇺AU4.4%
    • 🇨🇦CA4.0%
    • 🇮🇳IN3.2%

    Discovery

    AI Referrals

    173K / mo

    Referral growth vs previous period

    • chatgpt.com+9681%
    • gemini.google.com+232%
    • perplexity.ai+64%

    Top Keywords

    May 2026
    KeywordVolume / MoCPC
    ai detector8,155,340$0.32
    gptzero1,390,000$0.50
    ai checker4,514,480$0.41
    gpt zero896,220$0.77
    zerogpt1,473,630$0.18
    Solutions
  • Resources
  • Annual (Save 45%)Monthly

    $0yearly

    • annual(Save 45%)

    Saves

    29.6K

    Rating

    —

    Views

    —

    Category

    AI content detection

    AI content detection

    Pros · 14

    • Over a million users
    • Holistic plagiarism score
    • Batch file uploads
    • API availability
    • Integration support
    • Constant updates and improvements
    • Recognized by major news outlets
    • Used by global education institutions
    • Integration with K16 Solutions and Canvas
    • Customizable API endpoints
    • Supports pdf, docx, txt formats
    • Terms of service clarity

    Cons · 9

    • Not optimized for individual users
    • Limited file type support
    • No mobile app available
    • Potential overload on batch uploads
    • Dependent on user interpretation
    • No on-premise solution
    • No offered offline functionality
    • No multi-language support indicated
    • Over-reliance on partnerships for improvements

    Rating distribution

    5-star
    0
    4-star
    0
    3-star
    0
    2-star
    0
    1-star
    0

    Release history · 1+

    Initial releaseJanuary 3, 2023

    Initial release of GPTZero.

    Q&A · 22

    What is GPTZero?

    GPTZero is an artificial intelligence (AI) detection tool used to identify AI-generated texts. It is designed primarily for educators and helps in detecting cases of plagiarism in academic institutions. The tool has more than a million users and has been highlighted in popular media outlets such as CNN, BBC, and The New York Times.

    How does GPTZero detect AI-generated content?

    GPTZero detects AI-generated content by providing a plagiarism score. This score offers a comprehensive analysis of the amount of AI-generated content within a document. The tool employs advanced algorithms to identify text that has likely been composed by an AI, delivering accurate results to help users distinguish AI-produced text.

    What is the plagiarism score feature in GPTZero?

    The plagiarism score feature in GPTZero provides a comprehensive score that illustrates how much of a document has been authored by AI. It allows users to understand the extent to which AI might have contributed to a given text or document.

    How does GPTZero highlight AI-generated sentences in a document?

    GPTZero highlights AI-generated sentences individually within a document. This function enables clients to easily identify the sections of text that are suspected to be generated by AI, aiding in the understanding of the extent to which AI has been utilised.

    Does GPTZero support batch uploads of files for detection?

    Yes, GPTZero supports batch uploads of files for detection. This feature allows users to upload multiple files at once, facilitating a smoother experience for educators who wish to assess an entire classroom's content simultaneously.

    Alternatives — peer set

    GPTKit

    Detect AI-generated text with high accuracy

    Originality

    Checked content's originality & plagiarism.

    Free AI Detector by ContentAtScale

    Detect AI-generated content with free online tool

    AI Undetect

    Bypass AI detectors with undetectable AI writing

    Duckduckgoose

    Detect AI-generated faces with ease.

    Humbot

    Make AI text undetectable with cutting-edge bypass technology.

    Community vote

    How do you feel about this company?

    Your vote helps improve ranking signals.

    326 points · 141 comments · by

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    Category Leaderboard

    Top 10 in Productivity.

    <iframe src="https://indexator.ai/api/embed/leaderboard?category=Productivity" width="300" height="400" frameborder="0" style="border:none;border-radius:8px"></iframe>
    50