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Best AI Detectors.io Alternatives in 2026

Updated

20 platforms from AI content detectors ranked against AI Detectors.io on the same published basis.

  1. 1
    GPTZero Free plan apiextensionWeb $8.33/mo7.7
    AI Detectors.io vs GPTZero
  2. 2
    AI Detector Pro Free plan Web Free7.5
    AI Detectors.io vs AI Detector Pro
  3. 3
    Pangram Free plan apiextensionWeb $1.67/mo7.5
    AI Detectors.io vs Pangram
  4. 4
    Proofademic Free plan apiWeb $15/mo7.5
    AI Detectors.io vs Proofademic
  5. 5
    Winston AI Free plan apiextensionWeb $5/mo7.5
    AI Detectors.io vs Winston AI
  6. 6
    Mask AI Detector Free plan Web $10.99/mo7.4
    AI Detectors.io vs Mask AI Detector
  7. 7
    TrustOriginality.ai Free plan AndroidapiiOSWeb €4.99/mo7.4
    AI Detectors.io vs TrustOriginality.ai
  8. 8
    ContentDetector.org Free plan extensioniOSMacWebWin Free7.1
    AI Detectors.io vs ContentDetector.org
  9. 9
    Copyleaks AI Detector Free trial apiextensionWeb $1.17/mo7.0
    AI Detectors.io vs Copyleaks AI Detector
  10. 10
    It's AI Free plan apiextensionWeb $0.42/mo7.0
    AI Detectors.io vs It's AI
  11. 12
    Detecting-AI.com Free plan apiWeb $0.58/mo6.9
    AI Detectors.io vs Detecting-AI.com
  12. 13
    Detecto Free plan Web $6.99/mo6.9
    AI Detectors.io vs Detecto
  13. 14
    GPTKit Free plan apiWeb $5/mo6.9
    AI Detectors.io vs GPTKit
  14. 15
    Isgen AI Detector Free plan apiWeb $8/mo6.9
    AI Detectors.io vs Isgen AI Detector
  15. 16
    Learnaway Free plan Web $33.25/mo6.9
    AI Detectors.io vs Learnaway
  16. 17
    Originality.ai Free plan apiextensionWeb $12.95/mo6.9
    AI Detectors.io vs Originality.ai
  17. 18
    AI-Content Detector ML Free plan extensionWeb Free6.8
    AI Detectors.io vs AI-Content Detector ML
  18. 19
    Airno Free plan apiWeb $19/mo6.8
    AI Detectors.io vs Airno
  19. 20
    Content Checker by AI Aware Free trial Web 6.6
    AI Detectors.io vs Content Checker by AI Aware
  20. 21
    ClassGuard Free trial Web $10/mo6.5
    AI Detectors.io vs ClassGuard

AI Detectors.io alternatives compared

#PlatformScoreFree planFromRuns on
1GPTZero7.7Free plan$8.33/moAPI, Browser, Web
2AI Detector Pro7.5Free planFreeWeb
3Pangram7.5Free plan$1.67/moAPI, Browser, Web
4Proofademic7.5Free plan$15/moAPI, Web
5Winston AI7.5Free plan$5/moAPI, Browser, Web
6Mask AI Detector7.4Free plan$10.99/moWeb
7TrustOriginality.ai7.4Free plan€4.99/moAndroid, API, iOS, Web
8ContentDetector.org7.1Free planFreeBrowser, iOS, Mac, Web, Windows
9Copyleaks AI Detector7.0$1.17/moAPI, Browser, Web
10It's AI7.0Free plan$0.42/moAPI, Browser, Web
12Detecting-AI.com6.9Free plan$0.58/moAPI, Web
13Detecto6.9Free plan$6.99/moWeb
14GPTKit6.9Free plan$5/moAPI, Web
15Isgen AI Detector6.9Free plan$8/moAPI, Web
16Learnaway6.9Free plan$33.25/moWeb
17Originality.ai6.9Free plan$12.95/moAPI, Browser, Web
18AI-Content Detector ML6.8Free planFreeBrowser, Web
19Airno6.8Free plan$19/moAPI, Web
20Content Checker by AI Aware6.6Web
21ClassGuard6.5No$10/moWeb
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Questions about AI Detectors.io alternatives

What is the best alternative to AI Detectors.io?

GPTZero, number 1 in AI content detectors with a score of 7.7 out of 10. The others here: AI Detector Pro, Pangram, Proofademic and 16 more.

What is the best free alternative to AI Detectors.io?

GPTZero is the best-ranked alternative with a free plan. 17 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.