AI Content Detection

Know what's real.

Paste any text or URL. RealCheck analyzes writing patterns, linguistic markers, and statistical signals to tell you if content was written by a human or generated by AI.

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VERDICT
Analyzing...
Analysis

Detection Signals

Six signals. One verdict.

Most AI detectors use a single model. RealCheck combines AI pattern analysis with statistical linguistics for results you can actually trust.

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Perplexity Analysis

AI text is predictable. Humans surprise. We measure how unexpected the word choices are โ€” low perplexity means likely machine-generated.

High AI signal - 94%
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Burstiness Detection

Humans write in bursts โ€” short sentences, then long ones. AI maintains a robotic consistency. We measure the rhythm of the writing.

Human pattern - 88%
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Vocabulary Diversity

AI reuses the same formal words. Humans use slang, jargon, and varied vocabulary. We calculate the type-token ratio to spot the difference.

Low diversity detected
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Hedge Phrase Scanning

"It's important to note" โ€” AI loves these. We scan for known machine-generated filler phrases and diplomatic hedging language.

3 AI phrases found

Structure Analysis

AI follows formulaic patterns: intro โ†’ body โ†’ conclusion. We detect templated paragraph structures that scream "machine-generated."

Formulaic structure

Ensemble Scoring

No single signal is definitive. RealCheck combines all signals with weighted confidence to deliver a calibrated final verdict you can trust.

Multi-model consensus

Paste. Scan. Know.

Three steps to clarity. No accounts, no limits, no BS.

01

Paste content

Drop in any text you're suspicious about, or paste a URL to automatically extract the article text.

02

Multi-signal analysis

RealCheck runs AI pattern recognition and statistical linguistics in parallel. Six detection signals, one pass.

03

Clear verdict

Get a color-coded result with percentage confidence. Green = human. Red = AI. Amber = mixed. No ambiguity.

The internet is full of AI content.
Now you can see it.

RealCheck gives you the ability to trust what you read online. Every text, every article, verified in seconds.

Try It Now โ†’