SpeedAI vs Superhuman

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.

HumanizeAI.pro is a free, no-signup web tool that rewrites AI-generated text so it reads more like something a person actually wrote. Paste your ChatGPT, Gemini, or Claude output, clear the captcha, and the site returns a smoother, more conversational version that keeps your keywords and meaning intact.

学術校正・盗用チェック・AI ライティングツールを一つの場所に

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.

AIテキストを人間らしく整え、自然さをチェック

Phrasly is an AI writing suite built around a humanizer and detector pairing: it rewrites AI-generated drafts into more natural prose, then checks the result, alongside an AI writer, plagiarism checker, document editor, translator and chatbot.

文単位の分析に対応した多言語 AI 検出ツール

GPTinf is a web-based writing suite that combines AI humanization with a set of detection and quality tools. Paste your draft and it rewrites AI-style prose into more natural, human-sounding text, while its detector, plagiarism, readability and grammar tools help you spot problems before you publish or submit.

共有受信トレイやチームチャットをAIアシスト付きで提供するが、個人のスピード重視としては最適化がやや劣る。

スコアだけでなく根拠を示すAI検出ツール

マルチデバイスでスマート受信トレイやAIライティングツールを提供するが、高度なカスタム選別ショートカットはやや少ない。