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Best AI Content Detection Software in 2026
When you need to assess whether text may be AI-generated, the right comparison can depend on where scans run and how results are handled. These entries are ranked, starting with AI or Not, Originality.ai, and GPTZero. Compare supported languages, file uploads, and batch scanning, then consider whether report exports suit the way you review or share results. API access and a browser extension are additional factors for fitting checks into other tools or browser-based work. Free-plan availability and paid starting prices round out the fields to compare.
- 45 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
AI Detect
Free plan Open source LinuxMacSelf-hosted+1Choose AI Detect if local, offline-capable sentence scoring and batch review fit your workflow. Its free MIT-licensed distribution and multiple interfaces are useful for that purpose.
- 2
SlopTotal
Free plan Open source APIExtensionLinux+4SlopTotal provides multiple engine votes alongside a combined score, with free access and self-hosting available.
- 3
AI Detector Pro
Free plan AndroidAPIMac+2AI Detector Pro combines document analysis with tools for changing English wording. Check its scan limits, text-sharing policy, and accuracy caveat against your needs.
- 4
AI or Not
Free plan APIExtensioniPhone+2AI or Not spans several content types and offers both consumer-facing and developer access. Its free plan includes text and image allowances, while MCP text checks require at least 250 words.
- 5
Copyleaks AI Detector
Free plan APIExtensionSelf-hosted+1Copyleaks combines multilingual AI-text detection with explanations, integrations, and an API.
7.6 Visit site - 6
Corrector.app
Free plan AndroidExtensioniPhone+2Corrector.app combines language checks and word suggestions with a free AI content detector.
- 7
- 8
Hive AI-Generated Content Detection
Free plan APIExtensionSelf-hosted+1Hive offers multiple ways to scan content, from a free browser extension to APIs and on-premises deployment.
7.4 Visit site - 9
Compilatio AI Detector
Free plan APIWebChoose Compilatio AI Detector if you need AI likelihood estimates with highlighted passages, downloadable reports, or integrations for an educational institution.
- 10
Humbot
Free plan AndroidAPIiPhone+2Humbot brings writing, study, and document tools together, with both web and API access. Review the plan input and word limits, particularly if you expect to use the API.
- 11
Detecting-AI.com
Free plan APIWebDetecting-AI.com offers text review through a web detector, with free and paid plans and API options.
- 12
GPTZero
Free plan APIExtensionWebGPTZero combines AI-writing detection with writing and classroom tools, and offers web, extension, and API access.
- 13
Detecto
Free plan WebDetecto combines several media checks with evidence and review workflows, plus account privacy controls.
- 14
GPTKit
Free plan APIWebChoose GPTKit if you need English text classification and want to start with free requests, including without an account.
- 15
Originality.ai
Free plan APIExtensionWebOriginality.ai combines AI detection with plagiarism, fact, readability, and writing checks across web, extension, and API options.
- 16
Pangram
Free plan APIExtensionWebPangram combines AI-content checks, plagiarism detection, document uploads, and feed scanning in web, extension, and API offerings.
- 17
Resemble Detect
Free plan APIExtensionSelf-hosted+1Resemble Detect combines multi-format media checks with explanations, developer access and several deployment options.
- 18
DuckDuckGoose DeepDetector
Free plan APISelf-hostedWebChoose DeepDetector if your team needs image and video manipulation screening with auditable results and API or on-premise deployment options.
- 19
EyeSift
Free plan WebChoose EyeSift if you want browser-based screening and writing tools on a free plan without signup.
- 20
Illuminarty
Free plan APIWebIlluminarty offers AI image and text classification with localized analysis and API tiers.
- 21
Isgen AI Detector
Free plan APIWebIsgen pairs text analysis with a set of writing and detection tools, and provides a free detector tier.
- 22
Polygraf AI Detector
Free plan APIExtensionWebPolygraf combines AI-content detection with model identification, evidence, and verification, alongside related provenance tools.
- 23
Quetext AI Detector
Free plan APIExtensionWebQuetext combines AI detection with plagiarism checks and offers browser, API, and report workflows.
- 24
Reality Defender
Free plan APISelf-hostedWebReality Defender covers several media types and offers browser, API, meeting, and call-center workflows. Its listed paid business plans are annual, while enterprise pricing is custom.
- 25
ScribeLens
Free plan APIExtensionWebScribeLens combines sentence-level indicators, academic-document handling, and report exports, with a free plan for initial use.
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
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