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The Monica AI Detector (https://monica.im/) is an app that allows users to scan pasted text and receive an assessment of how likely it is AI-generated. The app is provided for limited free use and is included in a paid subscription that provides multiple AI-based apps and services. Monica integrates multiple LLM models, such as ChatGPT, … Read more

Grammarly is an industry-leading AI grammar checker and writing assistant that began providing AI detection services in September of 2024.[1] This review will focus exclusively on the performance of the AI detector and is not a review of Grammarly’s other services. Pros 0 False Positives Performs well against LLMs User-friendly platform and additional services Cons Scored … Read more

QuillBot (quillbot.com) is a writing assistant and AI detector that launched in 2017.[1] It initially offered only a paraphrasing tool, but now provides plagiarism and grammar checkers, a humanizer, and AI detectors for both text and images. While QuillBot is known as a powerful writing aid, we primarily tested its AI detector to see how well … Read more

The BrandWell AI Checker (brandwell.ai) is a free online app that allows users to scan up to 2,500 characters of text to assess the probability that it is AI-generated. Longer text can be broken up to accommodate the character limit. The paid subscription from BrandWell provides business-directed services, which include AI-driven content creation, marketing, SEO … Read more

Smodin (smodin.io) is an AI-powered platform founded in 2017[1] that provides writing and content tools including an AI detector, AI humanizer, plagiarism checker, paraphrasing, translator, text summarizer, and AI chat. Pros No false positives on human-written content. AI detector, chat, and plagiarism do not require credits (with account). Cons 0/7 detection rate against LLMs. 1/8 … Read more

ZeroGPT (zerogpt.com) is an AI text detector and writing toolkit founded in 2022.[1] It offers a variety of writing services including humanizing, plagiarism checking, grammar checking, and paraphrasing. Pros Scored 7/7 in LLM detection 5/7 AI Humanized text detection Offers a variety of products Cons 4 false positives found Unclear credit system Very limited standard … Read more

GPTZero (GPTZero.me) is a multi-functional AI detector that offers superior performance at a premium price. Launched in January 2023, the software provides users with a sentence-by-sentence breakdown of how a scanned text was determined to be human or AI-generated. Additional features include detecting plagiarism and giving critical reviews to suggest changes depending on the user’s desired … Read more

Copyleaks (copyleaks.com) is a company founded in 2015 that initially focused on plagiarism detection.[1] Today, it offers a range of products, including AI detection tools geared towards businesses and educators. Pros Detected 7 of 8 AI-written texts. No false positives for human content. Cons Failed to detect AI in 6 of 8 humanized articles. Poor user … Read more

Sapling AI (sapling.ai) is an AI language model platform founded in 2018 that provides writing assistant tools, customer service automation, API, and full SDKs. While their primary focus is developer toolkits for businesses, they also have an AI detector. Pros 6 out of 7 AI detection against LLMs. Reasonable AI detection usage and browser integration … Read more