AI Tools
Best AI Content Detectors in 2026
When checking writing for possible AI generation or paraphrasing, the right detector depends on the checks and workflow you need. Compare word limits and batch scanning with detection languages, paraphrase detection, and API access; browser extensions offer another way to access a tool.
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AI Detector Pro It may suit students and employees who want to examine writing for AI signals and revise wording.
Free plan Web · Windows · macOS · Android9.5 Visit Specs - 02
Copyleaks AI Detector It suits writers, students, professionals, creators, educational institutions, and enterprise teams seeking AI-text detection.
From $13.99/mo Free trial Web · API · Self-hosted · Browser extension9.0 Visit Specs - 03
GPTZero It suits educators, hiring teams, publishers, journalists, and others assessing writing authenticity.
From $8.33/mo Free plan Web · API · Browser extension8.8 Visit Specs - 04
AI Detectors.io The service is aimed at students, teachers, writers, teams, educators, publishers, and editorial teams.
From $8.33/mo Free plan Web · Windows · macOS · API8.6 Visit Specs - 05
Originality.ai Originality.ai may suit website owners, content marketers, writers and publishers who need text checks or site scanning.
From $12.95/mo Free plan Web · API · Browser extension8.6 Visit Specs - 06
TrustOriginality.ai It may suit European enterprise, compliance and media buyers who need review evidence for content checks.
From €4.99/mo Free plan Web · iOS · Android · API8.6 Visit Specs - 07
Winston AI Winston AI presents its tools for education, SEO publishers, and writers and content creators.
From $5/mo Free plan Web · API · Self-hosted · Browser extension8.5 Visit Specs - 08
ContentDetector.org ContentDetector.org suits publishers, SEO teams, agencies, educators, and learning-and-development teams reviewing text.
Free plan Web · Windows · macOS · iOS8.3 Visit Specs - 09 Airno From $19/mo Free plan Web · API8.2 Visit Specs
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Detecting-AI.com It suits educators, editors, publishers, and individuals reviewing text with caution.
From $7/mo Free plan Web · API8.2 Visit Specs - 11
AI-Content Detector ML AI-Content Detector ML suits people checking text in supported languages through a browser or extension.
Free plan Web · Browser extension8.1 Visit Specs - 12
Detecto Detecto suits organizations reviewing suspected AI-generated material and documenting review decisions.
From $6.99/mo Free plan Web8.0 Visit Specs - 13
GPTKit It is aimed at teachers, professionals, students, content writers, employees, and freelancers checking whether text appears human-written or ChatGPT-generated.
From $5/mo Free plan Web · API8.0 Visit Specs - 14
ClassGuard From $10/mo Free trial Web7.9 Visit Specs - 15
Isgen AI Detector Isgen suits students, researchers, educators, writers, content creators, journalists, businesses, legal professionals, and others assessing potentially AI-generated content.
From $8/mo Free plan Web · API7.9 Visit Specs - 16
It's AI It suits educators, students, publishers, and business or technical users who need text checks or integrations.
From $0.42/mo Free plan Web · API · Browser extension7.9 Visit Specs - 17
Pangram Pangram may suit people checking text or images for AI-generated content, or checking for plagiarism.
From $1.67/mo Free plan Web · API · Browser extension7.9 Visit Specs - 18
Content Checker by AI Aware Free trial Web7.8 Visit Specs - 19 Learnaway From £33.25/mo Free plan Web7.8 Visit Specs
- 20 Proofademic
It is aimed at educators, students, institutions, publishers and enterprise teams reviewing writing for possible AI-generated content or plagiarism.
From $15/mo Free plan Web · API7.6 Visit Specs - 21
EyeSift Free plan Web7.5 Visit Specs - 22
Mask AI Detector It may suit people checking text for AI-generated content or editing AI-assisted writing.
From $10.99/mo Free trial Web7.5 Visit Specs - 23
TheChecker.AI From $8.25/mo Web · API · Browser extension7.3 Visit Specs - 24
Smodin AI Detector From $0.83/mo Web · Browser extension7.1 Visit Specs - 25 Elucida Web6.6 Visit Specs
Free-plan availability and paid-from pricing add cost context. GPTZero, ContentDetector.org, and Winston AI are among the entries, alongside Pangram and Copyleaks AI Detector. Consider the expected volume and language of your checks, and whether API access or a browser extension fits how you work.
Compare AI Detector Pro and Copyleaks AI Detector Get a place on this list