Copyleaks vs EchoMark

ZeroGPT 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.

GPTZero 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.

特化型盗用チェックに加えて専門家による校正が含まれていますが、ネイティブの自動AIコンテンツ検出機能はありません。

Undetectable 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.

1回のスキャンでAI検出・盗用チェック・コンテンツ品質評価を完了

多言語テキストの詳細な文単位の分析機能を備えていますが、Copyleaksのような幅広い企業向け機能は不足しています。

Winston 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.

スコアだけでなく根拠を示すAI検出ツール

学校・大学・チーム向けの高精度な盗用およびAI検出

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.

無制限で使える無料AIコンテンツ検出、文単位のスコア表示付き

判断の根拠まで示すAI画像・ディープフェイク鑑識ツール