Copyleaks vs Secur3D

Grátis / Código abertoZeroGPT is an AI content detection platform with a text AI detector, AI image and video detectors, AI humanizer, plagiarism checker, and a set of writing tools including paraphraser, summarizer, grammar checker, translator, and citation helper.

Grátis / Código abertoGPTZero is an AI detection platform for identifying machine-generated text. It combines a text detector with a Chrome extension, a plagiarism checker, writing-process verification, and educator-focused classroom tools.

EspecializadoInclui revisão humana especializada junto com verificações de plágio, mas não possui detecção automatizada nativa de conteúdo de IA.

Grátis / Código abertoUndetectable AI is a web platform that scans text for AI fingerprints and rewrites flagged passages so they read like natural human writing. It bundles an AI detector, an AI humanizer and a growing set of media authenticity tools in a single dashboard.

Grátis / Código abertoDetector de IA, plágio e qualidade de conteúdo em uma única verificação

Grátis / Código abertoDetector de IA multilíngue com análise por frase

Grátis / Código abertoWinston AI is an AI content detection suite that identifies text and images produced by generators like ChatGPT, Gemini, and Claude. Alongside its detector it offers plagiarism checking, an AI image and deepfake detector, writing feedback, and an API for embedding detection into other platforms.

Grátis / Código abertoUm detector de IA que mostra a evidência, não só a pontuação

Grátis / Código abertoDetecção precisa de plágio e IA para escolas, universidades e equipes

Quetext is an online writing-integrity platform built around its DeepSearch™ engine, combining a plagiarism checker, AI content detector, grammar checker, summarizer, humanizer, citation generator and paraphrasing assistant in one dashboard. It is used by students, teachers, copywriters and content teams to confirm that a piece of writing is original, human-written and properly sourced before it is submitted or published.

Grátis / Código abertoDetector de conteúdo de IA gratuito com análise frase por frase

Rulta is a DMCA takedown and content-protection service for online creators. It monitors the web and major platforms for stolen, reuploaded or impersonated content and files removal notices on your behalf, so you can focus on creating instead of chasing leaks.