Copyleaks 每月有 2,402,494 次造訪，月增率 -14.1%，定價模式為付費、需聯絡報價。GPTSyncScore 每月有 0 次造訪，成長率 —，定價模式為免費。
| 面向／指標 |  |  |
|---|---|---|
| 官方網域 | copyleaks.com | chromewebstore.google.com |
| 定價模式 | 付費、需聯絡報價 | 免費 |
| 每月造訪次數 | 240.25萬 (2,402,494) | 0 (0) |
| 月流量變化量 | -39.44萬 (-14.1%) | 0 (—) |
| 主要市場與市佔 | 🇺🇸 美國 (53.2%) | 🌐 全球 (—) |
| 每月直接造訪 | 75.85萬 | 0 |
| 使用者評分 | 4.4 | 3.6 |
| 支援平台 | 網站 | 瀏覽器擴充功能 |
為內容完整性打造的企業級 AI 與抄襲偵測
辨識超過 30 種語言與主流 LLM 的 AI 生成文字，內部英文測試集準確率宣稱超過 99%。
搜尋 60 兆個網站、16,000 多種開放取用期刊與內部資料庫，揪出改寫與隱藏複製。
將偵測延伸至 AI 生成的影片、音訊與圖像，讓團隊能驗證文字以外的內容。
可擴充的 API 與工作流程整合，自動化 LMS、出版工具與企業系統中的內容分析。
量化 ChatGPT 對你原文的改動程度
計算原始文字與 ChatGPT 生成版本之間的數值相關性分數，協助你量化內容改動幅度。
將原文與 AI 生成文字貼進擴充功能，點擊 Calculate 即可立即取得結果。
產生的分數可直接從擴充功能複製到剪貼簿，方便用於紀錄、報告或訊息。
協助寫作者了解並揭露 AI 在特定文字寫作中的參與程度。
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.
專項更強除了抄襲檢查外還包含專家人工校對，但缺乏原生的自動 AI 內容檢測功能。
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.
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.
一次掃描完成 AI 偵測、抄襲比對與內容品質評估
支援句子級洞察的多語言 AI 檢測工具
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.
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.
免費 AI 檢測器，提供逐句分析與文本人性化改寫
不只給分數，還標出證據的 AI 檢測器
為學校、大學與團隊打造的準確抄襲與 AI 偵測
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.
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.
免費 AI 偵測器，為 ChatGPT、Gemini 與 Claude 文本提供逐句報告
