18.1
AI Detector Pro is a web tool for identifying signs of AI writing in documents and revising text.
Free planAndroidWebAPI
Alternatives to Detecting-AI.com
28.0
TrustOriginality.ai analyzes text, images, audio, and video for signs of AI-generated or manipulated content.
Free planAndroidiOSWeb
37.6
Originality.ai offers tools for checking AI-generated text, plagiarism, facts, readability, grammar, spelling, and content quality.
Free planWebAPIExtension
- 4
GPTZero
GPTZero identifies likely AI-generated writing and highlights potential AI use at document, sentence, and word level.
Free planWebAPIExtension7.5From $8.33 a month - 5
Winston AI
Winston AI detects AI-generated text and images and includes plagiarism checking and other content-integrity tools.
Free planWebAPIExtensionSelf-hosted7.5From $189 a month - 6
Copyleaks AI Detector
Copyleaks AI Detector identifies AI-written text, including text blended with human writing.
WebAPIExtensionSelf-hosted7.2 - 7
AI Detectors.io
AI Detectors.io analyzes text associated with major language models and returns an overall AI probability, confidence scores, and sentence-level results.
Free planWebAPIExtensionmacOS6.9From $100 a year - 8
Detecto
Detecto is a web tool that estimates the likelihood that text, images, video, or audio were generated by AI.
Free planWeb6.9From $6.99 a month - 96.9From £399 a year
- 10
6.8From $5 a month - 11
Isgen AI Detector
Isgen AI Detector is a web and API service for assessing whether content may have been generated by AI.
Free planWebAPI6.8From $8 a month - 12
Pangram
Pangram checks text and images for AI-generated content and also offers plagiarism detection.
Free planWebAPIExtension6.8From $20 a month - 13
Proofademic
Proofademic analyzes submitted writing for possible AI-generated content and plagiarism.
Free planWebAPI6.8From $15 a month - 14
Airno
Airno analyzes text and images to estimate whether they may have been generated by AI, returning a confidence score and a breakdown by detector.
Free planWebAPI6.6From $19 a month - 15
ContentDetector.org
ContentDetector.org is a free tool that estimates whether text was written by AI and displays a percentage for AI-written versus human-written content.
Free planiOSWebExtensionmacOS6.6Free plan - 16
It's AI
It's AI estimates whether text may have been produced by a language model, with checks for content associated with ChatGPT, Gemini, Claude, Grok and other models.
Free planWebAPIExtension6.6Free plan - 17
Mask AI Detector
Mask AI Detector is a web-based tool that checks text for AI-generated content using six detection engines.
Free planWeb6.5From $10.99 a month - 18
ClassGuard
ClassGuard is a browser-based service that reviews whether student writing matches each student’s established style.
Web6.3From $10 a month - 19
EyeSift
EyeSift is a web-based set of tools for checking text, images, video and audio for signals associated with AI generation, alongside writing and utility tools.
Free planWeb6.3Free plan - 20
Smodin AI Detector
Smodin AI Detector examines writing for patterns associated with AI-generated text, helping users judge its apparent authenticity.
WebExtension6.1From $10 a month - 21
TheChecker.AI
TheChecker.AI analyzes writing for signs of AI generation from Claude, GPT models, Gemini, and more than 40 models, including ChatGPT and Llama.
WebAPIExtension6.1From $99 a year - 22
AI-Content Detector ML
AI-Content Detector ML is a free browser-based tool for estimating whether text was generated by ChatGPT, Claude, Gemini, and other AI models.
Free planWebExtension6.0Free plan - 23
Content Checker by AI Aware
Content Checker by AI Aware is a paid web service that assesses submitted writing as human, AI-generated or hybrid.
Web6.0 - 24
Elucida
Elucida is a web platform for colleges, universities, high schools, and other educational institutions that want to identify AI-created essays and test answers.
Web5.0