Which AI models can WriteHuman detect?

It detects content from all major LLMs including ChatGPT (GPT-3.5, GPT-4, GPT-4o), Claude, Gemini, and even content processed through various 'AI humanizers'.

Is my content stored after I scan it?

No. WriteHuman prioritizes privacy; your text is analyzed in real-time and discarded immediately after the report is generated.

How accurate is the AI detection score?

The tool uses a proprietary multi-layer algorithm to provide a confidence percentage. While highly accurate, it is intended as a verification aid rather than a definitive binary proof.

Can I use WriteHuman on my phone?

Yes, WriteHuman offers official apps for both iOS and Android, and your web subscription can be linked to your mobile account.

Does the detector support languages other than English?

Yes, the detection and humanization engine supports over 40 languages, including Spanish, French, and Chinese.

Is there an API available for businesses?

Yes, WriteHuman provides a REST API with plans starting at approximately $0.17 per 1,000 words for large-scale integration.

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AI content detection

Freemium

WriteHuman: AI Detector

Advanced AI content detector providing detailed confidence scores, sentence-level analysis, and multi-model detection for ChatGPT, Claude, and Gemini to ensure content authenticity.

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Rating

Reviews

Upvotes

4 months ago

Listed

AI content detection

Plagiarism Detection

AI Writing Checker

GPT-4 Detection

Claude Detection

Gemini Detection

Content Verification

Educational Integrity

Tool information

Provider

WriteHuman

Platforms

Web

iOS

Android

Languages

English

Spanish

French

German

Italian

Portuguese

Chinese

Japanese

40+ languages

API Available

Yes

Added to directory

4 months ago

Last updated

about 2 months ago

Rating

Not available

Pricing

Freemium

About WriteHuman: AI Detector

What the tool does and who it's for

WriteHuman: AI Detector is a high-performance content analysis tool designed to distinguish between human-authored text and content generated by AI models like ChatGPT, GPT-4, Claude, and Gemini. Recently updated in May 2026 to detect the latest GPTZero 4.5b patterns, the platform provides a comprehensive score report featuring a confidence breakdown, per-class probability (Human, AI, Mixed), and sentence-level analysis. It serves as a transparent verification layer for educators, publishers, and marketers to maintain content integrity. Beyond simple detection, it integrates seamlessly with WriteHuman's humanizing technology, allowing users to identify AI-flagged segments and refine them to read more naturally in one unified workflow.

Key capabilities

Multi-Model Detection: Identifies content from ChatGPT, GPT-4o, Claude 3.5, and Gemini.

Detailed Score Reports: Provides a percentage-based breakdown of Human vs. AI probability.

Sentence-Level Analysis: Highlights specific sentences likely to be flagged by AI detectors.

Image Scanning: Detects AI-generated text within images and screenshots.

Real-Time Processing: Scans thousands of words in under two seconds for instant results.

Privacy Focused: Scanned text is processed in real-time and never used for model training.

Integrated Humanizer: One-click option to humanize flagged text without leaving the page.

Mobile Accessibility: Full detection capabilities available via dedicated iOS and Android apps.

Pricing

Freemium — plans below

Free

10 Detection checks / mo
10 Image scans / mo
3 Humanizer requests / mo
250 Words per request
Basic humanization quality

Basic

$12/mo

160 AI detection checks / mo
80 Image scans / mo
80 Humanizer requests / mo
600 Words per request
Enhanced model access

Pro

Ultra

$36/mo

Unlimited AI detection checks
Unlimited Image scans
Unlimited Humanizer requests
3,000 Words per request
5 Output variations

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