Detect AI Writing
Instantly.

Industry-leading detection model with 99.8% accuracy. Check any text for AI probability in seconds.

99.8% accuracy · 14 languages supported · Results in seconds

AI scan

209 words

Detects writing from every major AI model

ChatGPT
Claude
Gemini
Copilot
Llama
Mistral
Grok
DeepSeek
Jasper
Copy.ai
ChatGPT
Claude
Gemini
Copilot
Llama
Mistral
Grok
DeepSeek
Jasper
Copy.ai
ChatGPT
Claude
Gemini
Copilot
Llama
Mistral
Grok
DeepSeek
Jasper
Copy.ai

Simple process

How It Works

Three steps. Seconds.

Paste text here
01

Paste Your Text

Works on essays, articles, emails, and any written content. Minimum 300 characters for best accuracy.

Analyzing patterns...
02

AI Analyzes It

Our detection model measures perplexity, burstiness, and linguistic patterns: the fingerprints of AI-generated text.

ResultHuman
AIHuman
96%Human probability
03

Get Your Score

A clear human probability score with a color-coded bar. Green means safe to submit anywhere.

The Most Accurate AI Detector Available

See how CloakWrite's built-in detector compares to standalone tools.

Feature
CloakWriteBEST VALUE
GPTZero (direct)TurnitinZeroGPT
Detection accuracy99.8%~98%Not disclosedHeuristic blend
Cost per checkIncluded in planSubscription / creditsInstitution licenseFreemium
Words per checkUp to plan maxPlan limitsCourse policyVaries
Multi-language support14 languagesLimitedEnglish focusLimited
No extra subscription

Detection accuracy and language support based on publicly available benchmark and documentation data as of April 2026.

Browser Extension

Humanize and detect AI text without leaving the page

Works on any site. No copy-pasting. No tab switching.

C
CloakWrite
HumanizeDetect
C
CloakWrite
HumanizeDetect
HumanAI

72% Human

Free to Install

Write AI. Sound Human. Stay Undetected.

CloakWrite runs directly inside Chrome. Highlight any AI-generated text on any page, click Humanize, and get a natural-sounding rewrite in seconds.

Want to check if something will get flagged? Switch to Detect for an instant human vs AI score — all without leaving the page.

CloakWrite on the Chrome Web Store

FAQ

CloakWrite's detector is benchmarked at 99.98% accuracy on AI-generated content across all major models. It is the same detection tier used by academic institutions and publishers.

Yes. The detector identifies AI-generated content from all major large language models including ChatGPT, Claude, Gemini, and others.

Yes. Rather than just showing a single score, the detector highlights which specific sentences are flagging so you know exactly where to focus your edits.

For best accuracy, we recommend at least 300 characters. Very short snippets do not give the detector enough signal to produce a reliable result.

It can detect many forms of lightly edited AI content. Heavily rewritten text may score higher on the human scale, which is exactly what CloakWrite's humanizer is designed to produce.

Yes. AI detection is included on every plan including the free trial.