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AI Detect alternatives

AI Detect gives people a private way to examine writing on their own hardware. Its sentence-level scoring, pattern flags, and plain-English rewrite suggestions help review commissioned or unpublished copy. The command-line tool, Python package, and MCP server work on Linux, macOS, Windows, or self-hosted systems. After the model is cached, processing works offline, with no API key or usage limits on the free plan. A lighter 126 MB model supports quicker triage, while the default model uses about 1.7 GB of storage. Scores are intended as signals across batches, and sentences under five words are skipped.

  1. 1

    Trinka

    Free plan APIExtensionMac+3

    Academic and technical writing improvement — Trinka combines AI detection alternatives with grammar, paraphrasing, citations, plagiarism checks, and journal-finding tools across web, extensions, desktop, and API access.

    Free plan · paid from $20/mo Visit site
  2. 2

    TrustOriginality.ai

    Free plan AndroidAPIExtension+3

    Documenting multimedia authenticity reviews — TrustOriginality.ai analyzes text, images, audio, and video, then creates signed, verifiable PDF evidence instead of focusing on local text inference.

    Free plan · paid from €4.99/mo Visit site
  3. 3

    Corrector.app

    Free plan AndroidExtensioniPhone+2

    Free multilingual grammar and AI checks — Corrector.app adds spelling, grammar, punctuation, word suggestions, and a free AI detector in a browser-oriented service supporting more than 27 languages.

    7.6 Free plan Visit site
  4. 4

    SlopTotal

    Free plan Open source APIExtensionLinux+4

    Multi-engine text and URL detection — SlopTotal runs 23 visible detection engines on pasted text or extracted webpage content, while AI Detect uses local sentence scoring.

    8.7 Free plan Visit site
  5. 5

    Ahrefs

    by Ahrefs
    Free plan APIWeb

    SEO and competitor research — Ahrefs focuses on keyword research, rank tracking, site audits, backlinks, and competitor research, not AI-generated writing detection.

    7.4 Free plan · paid from $29/mo Visit site
  6. 6

    AI or Not

    Free plan APIExtensioniPhone+2

    Multimedia detection through APIs — AI or Not detects AI images, text, video, audio, and deepfakes, with MCP, SDK, and REST options beyond AI Detect’s local text tool.

    7.6 Free plan · paid from $5/mo Visit site
  7. 7

    GPTZero

    Free plan APIExtensionWeb

    Detailed hosted text detection workflows — GPTZero provides document, sentence, and word highlighting with explanations, writing replay, plagiarism and grammar tools, browser scanning, and broad model coverage.

    7.2 Free plan · 14-day trial Visit site
  8. 8

    AI Detector Pro

    Free plan AndroidAPIMac+2
    7.7 Free plan Visit site
  9. 9

    Copyleaks AI Detector

    Free plan APIExtensionSelf-hosted+1
  10. 10

    Hive AI-Generated Content Detection

    Free plan APIExtensionSelf-hosted+1
  11. 11

    Compilatio AI Detector

    Free plan APIWeb
    7.3 Pricing on request Visit site
  12. 12

    Humbot

    Free plan AndroidAPIiPhone+2
    7.3 Free plan · paid from $7.99/mo (annual) Visit site
  13. 13

    Detecting-AI.com

    Free plan APIWeb
    7.2 Free plan · paid from $7/mo (annual) Visit site
  14. 14

    Detecto

    Free plan Web
    7.1 Free plan · paid from $6.99/mo (annual) Visit site
  15. 15

    GPTKit

    Free plan APIWeb
    7.1 Free plan Visit site
  16. 16

    Originality.ai

    Free plan APIExtensionWeb
    7.1 Free plan · paid from $12.95/mo (annual) Visit site
  17. 17

    Pangram

    Free plan APIExtensionWeb
    7.1 Free plan · paid from $20/mo · 7-day trial Visit site
  18. 18

    Resemble Detect

    Free plan APIExtensionSelf-hosted+1
    7.1 From $0.00 Visit site
  19. 19

    DuckDuckGoose DeepDetector

    Free plan APISelf-hostedWeb
    7.0 Pricing on request Visit site
  20. 20

    EyeSift

    Free plan Web
    7.0 Free plan Visit site
  21. 21

    Illuminarty

    Free plan APIWeb
    7.0 Free plan · paid from $10/mo Visit site
  22. 22

    Isgen AI Detector

    Free plan APIWeb
    7.0 Free plan · paid from $8/mo (annual) Visit site
  23. 23

    Polygraf AI Detector

    Free plan APIExtensionWeb
    7.0 Free plan Visit site
  24. 24

    Quetext AI Detector

    Free plan APIExtensionWeb
    7.0 Free plan · paid from $7.99/mo Visit site
  25. 25

    Reality Defender

    Free plan APISelf-hostedWeb
    7.0 Free plan · paid from $399 Visit site
  26. 26

    ScribeLens

    Free plan APIExtensionWeb
    7.0 Free plan · paid from $9/mo Visit site

Readers may look elsewhere for a hosted dashboard, support contract, browser workflow, or checks beyond AI-written text. Alternatives differ in whether they process images, audio, video, URLs, grammar, plagiarism, or search visibility, and whether content leaves the device. Compare platform access, integrations, report formats, language coverage, input limits, retention, and paid tiers. AI Detect suits local, offline review; another service may be preferable when collaboration, broader media analysis, or polished publishing workflows matter more than local control.

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