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Best Polygraf AI Detector Alternatives in 2026

Updated

20 platforms from AI content detection software ranked against Polygraf AI Detector on the same published basis.

  1. 1
    Ahrefs Free plan apiWeb $29/mo7.4
    Polygraf AI Detector vs Ahrefs
  2. 2
    GPTZero Free plan apiextensionWeb $8.33/mo7.4
    Polygraf AI Detector vs GPTZero
  3. 3
    Trinka Free plan apiextensionMacself-hostedWeb 7.4
    Polygraf AI Detector vs Trinka
  4. 4
    Hive AI-Generated Content Detection Free plan apiextensionself-hostedWeb $6/mo7.3
    Polygraf AI Detector vs Hive AI-Generated Content Detection
  5. 6
    Reality Defender Free plan apiself-hostedWeb $33.25/mo7.3
    Polygraf AI Detector vs Reality Defender
  6. 7
    Resemble Detect Free plan apiextensionself-hostedWeb $280/mo7.3
    Polygraf AI Detector vs Resemble Detect
  7. 8
    ScribeLens Free plan apiWeb $0.04/mo7.3
    Polygraf AI Detector vs ScribeLens
  8. 9
    Winston AI Free plan apiextensionWeb $5/mo7.3
    Polygraf AI Detector vs Winston AI
  9. 10
    AI or Not Free plan apiiOSWeb $5/mo7.2
    Polygraf AI Detector vs AI or Not
  10. 11
    Detecting-AI.com Free plan apiWeb $0.58/mo7.2
    Polygraf AI Detector vs Detecting-AI.com
  11. 12
    Illuminarty Free plan apiWeb $10/mo7.2
    Polygraf AI Detector vs Illuminarty
  12. 13
    Isgen AI Detector Free plan apiWeb $8/mo7.2
    Polygraf AI Detector vs Isgen AI Detector
  13. 14
    Originality.ai Free plan apiextensionWeb $12.95/mo7.2
    Polygraf AI Detector vs Originality.ai
  14. 15
    Pangram Free plan apiextensionWeb $1.67/mo7.2
    Polygraf AI Detector vs Pangram
  15. 16
    Proofademic Free plan apiWeb $15/mo7.2
    Polygraf AI Detector vs Proofademic
  16. 17
    Quetext AI Detector Free plan apiextensionWeb $7.99/mo7.2
    Polygraf AI Detector vs Quetext AI Detector
  17. 18
    ZeroGPT Free plan apiWeb Free7.2
    Polygraf AI Detector vs ZeroGPT
  18. 19
    TraceGPT Free trial apiextensionWeb 7.0
    Polygraf AI Detector vs TraceGPT
  19. 20
    Copyleaks AI Detector Free trial apiextensionWeb $1.17/mo6.9
    Polygraf AI Detector vs Copyleaks AI Detector
  20. 21
    Humbot Free trial apiWeb $0.67/mo6.9
    Polygraf AI Detector vs Humbot

Polygraf AI Detector alternatives compared

#PlatformScoreFree planFromRuns on
1Ahrefs7.4Free plan$29/moAPI, Web
2GPTZero7.4Free plan$8.33/moAPI, Browser, Web
3Trinka7.4Free plan—API, Browser, Mac, self-hosted, Web, Windows
4Hive AI-Generated Content Detection7.3Free plan$6/moAPI, Browser, self-hosted, Web
6Reality Defender7.3Free plan$33.25/moAPI, self-hosted, Web
7Resemble Detect7.3Free plan$280/moAPI, Browser, self-hosted, Web
8ScribeLens7.3Free plan$0.04/moAPI, Web
9Winston AI7.3Free plan$5/moAPI, Browser, Web
10AI or Not7.2Free plan$5/moAPI, iOS, Web
11Detecting-AI.com7.2Free plan$0.58/moAPI, Web
12Illuminarty7.2Free plan$10/moAPI, Web
13Isgen AI Detector7.2Free plan$8/moAPI, Web
14Originality.ai7.2Free plan$12.95/moAPI, Browser, Web
15Pangram7.2Free plan$1.67/moAPI, Browser, Web
16Proofademic7.2Free plan$15/moAPI, Web
17Quetext AI Detector7.2Free plan$7.99/moAPI, Browser, Web
18ZeroGPT7.2Free planFreeAPI, Web
19TraceGPT7.0No—API, Browser, Web
20Copyleaks AI Detector6.9No$1.17/moAPI, Browser, Web
21Humbot6.9No$0.67/moAPI, Web
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Questions about Polygraf AI Detector alternatives

What is the best alternative to Polygraf AI Detector?

Ahrefs, number 1 in AI content detection software with a score of 7.4 out of 10. The others here: GPTZero, Trinka, Hive AI-Generated Content Detection and 16 more.

What is the best free alternative to Polygraf AI Detector?

Ahrefs 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 what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.