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Best ContentDetector.org Alternatives in 2026

Updated

20 apps from AI content detectors ranked against ContentDetector.org on the same published basis.

  1. 1
    AI Detectors.io Free plan apiextensionMacWebWin $0.69/mo7.1
    ContentDetector.org vs AI Detectors.io
  2. 3
    GPTZero Free plan apiextensionWeb $8.33/mo7.0
    ContentDetector.org vs GPTZero
  3. 4
    It's AI Free plan apiextensionWeb $0.42/mo6.9
    ContentDetector.org vs It's AI
  4. 5
    Winston AI Free plan apiextensionWeb $5/mo6.9
    ContentDetector.org vs Winston AI
  5. 6
    AI Detector Pro Free plan Web Free6.8
    ContentDetector.org vs AI Detector Pro
  6. 7
    Detecting-AI.com Free plan apiWeb $0.58/mo6.8
    ContentDetector.org vs Detecting-AI.com
  7. 8
    Isgen AI Detector Free plan apiWeb $8/mo6.8
    ContentDetector.org vs Isgen AI Detector
  8. 9
    Originality.ai Free plan apiextensionWeb $12.95/mo6.8
    ContentDetector.org vs Originality.ai
  9. 10
    Pangram Free plan apiextensionWeb $1.67/mo6.8
    ContentDetector.org vs Pangram
  10. 11
    Proofademic Free plan apiWeb $15/mo6.8
    ContentDetector.org vs Proofademic
  11. 12
    TrustOriginality.ai Free plan AndroidapiiOSWeb €4.99/mo6.8
    ContentDetector.org vs TrustOriginality.ai
  12. 13
    AI-Content Detector ML Free plan extensionWeb Free6.6
    ContentDetector.org vs AI-Content Detector ML
  13. 14
    Copyleaks AI Detector Free trial apiextensionWeb $1.17/mo6.4
    ContentDetector.org vs Copyleaks AI Detector
  14. 15
    EyeSift Free plan Web Free6.2
    ContentDetector.org vs EyeSift
  15. 16
    TheChecker.AI apiextensionWeb $8.25/mo6.1
    ContentDetector.org vs TheChecker.AI
  16. 17
    Elucida Web 5.7
    ContentDetector.org vs Elucida
  17. 18
    Smodin AI Detector Web 5.6
    ContentDetector.org vs Smodin AI Detector
  18. 19
    Airno Web 5.5
    ContentDetector.org vs Airno
  19. 20
    ClassGuard Web 5.4
    ContentDetector.org vs ClassGuard
  20. 21
    Content Checker by AI Aware Web 5.4
    ContentDetector.org vs Content Checker by AI Aware

ContentDetector.org alternatives compared

#AppScoreFree planFromRuns on
1AI Detectors.io7.1Free plan$0.69/moAPI, Browser, Mac, Web, Windows
3GPTZero7.0Free plan$8.33/moAPI, Browser, Web
4It's AI6.9Free plan$0.42/moAPI, Browser, Web
5Winston AI6.9Free plan$5/moAPI, Browser, Web
6AI Detector Pro6.8Free planFreeWeb
7Detecting-AI.com6.8Free plan$0.58/moAPI, Web
8Isgen AI Detector6.8Free plan$8/moAPI, Web
9Originality.ai6.8Free plan$12.95/moAPI, Browser, Web
10Pangram6.8Free plan$1.67/moAPI, Browser, Web
11Proofademic6.8Free plan$15/moAPI, Web
12TrustOriginality.ai6.8Free plan€4.99/moAndroid, API, iOS, Web
13AI-Content Detector ML6.6Free planFreeBrowser, Web
14Copyleaks AI Detector6.4No$1.17/moAPI, Browser, Web
15EyeSift6.2Free planFreeWeb
16TheChecker.AI6.1No$8.25/moAPI, Browser, Web
17Elucida5.7No—Web
18Smodin AI Detector5.6No—Web
19Airno5.5No—Web
20ClassGuard5.4No—Web
21Content Checker by AI Aware5.4No—Web
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Questions about ContentDetector.org alternatives

What is the best alternative to ContentDetector.org?

AI Detectors.io, number 1 in AI content detectors with a score of 7.1 out of 10. The others here: GPTZero, It's AI, Winston AI and 16 more.

What is the best free alternative to ContentDetector.org?

AI Detectors.io is the best-ranked alternative with a free plan. 13 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.